java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/memsafety-ext/tree_dsw_true-valid-memsafety_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 21:54:24,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 21:54:24,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 21:54:24,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 21:54:24,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 21:54:24,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 21:54:24,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 21:54:24,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 21:54:24,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 21:54:24,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 21:54:24,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 21:54:24,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 21:54:24,719 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 21:54:24,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 21:54:24,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 21:54:24,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 21:54:24,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 21:54:24,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 21:54:24,726 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 21:54:24,727 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 21:54:24,729 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 21:54:24,729 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 21:54:24,729 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 21:54:24,730 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 21:54:24,731 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 21:54:24,732 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 21:54:24,732 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 21:54:24,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 21:54:24,733 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 21:54:24,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 21:54:24,734 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 21:54:24,734 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-12 21:54:24,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 21:54:24,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 21:54:24,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 21:54:24,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 21:54:24,746 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 21:54:24,746 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 21:54:24,746 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 21:54:24,746 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 21:54:24,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 21:54:24,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 21:54:24,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 21:54:24,747 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 21:54:24,747 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 21:54:24,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 21:54:24,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 21:54:24,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 21:54:24,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 21:54:24,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 21:54:24,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 21:54:24,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 21:54:24,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 21:54:24,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 21:54:24,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 21:54:24,788 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 21:54:24,791 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 21:54:24,793 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 21:54:24,793 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 21:54:24,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,061 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG27b9563a1 [2018-04-12 21:54:25,197 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 21:54:25,198 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 21:54:25,198 INFO L168 CDTParser]: Scanning tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,204 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 21:54:25,205 INFO L215 ultiparseSymbolTable]: [2018-04-12 21:54:25,205 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 21:54:25,205 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,205 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 21:54:25,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____int8_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__u_short in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__timer_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__register_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____nlink_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__u_int64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____fsfilcnt64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__ino_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__int32_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____uint64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____swblk_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____fsblkcnt64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__gid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__fsfilcnt_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__ldiv_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____blkcnt64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__ssize_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____uid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____sig_atomic_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____timer_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____time_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__int8_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_mutexattr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____ssize_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____fsfilcnt_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__key_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_condattr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____fd_mask in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__u_int8_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____int32_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____suseconds_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__div_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_spinlock_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____clockid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__fsblkcnt_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__caddr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__u_int in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__mode_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____u_short in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____sigset_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__wchar_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____rlim_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__fd_set in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____intptr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____u_quad_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_barrier_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_attr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__blksize_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____ino_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____mode_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____socklen_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__int16_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__lldiv_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__uid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____uint32_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__quad_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__u_int16_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__blkcnt_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__off_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_once_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_cond_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__size_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____u_long in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__u_char in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____int16_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____pthread_list_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_barrierattr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__sigset_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__clock_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____quad_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__u_quad_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____fsid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_rwlockattr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__ulong in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__u_long in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____u_char in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____off64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____gid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____off_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____caddr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____WAIT_STATUS in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____qaddr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____pid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____uint16_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____blksize_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____dev_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__suseconds_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,212 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__int64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____loff_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__daddr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__u_int32_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____id_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__fsid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____clock_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____uint8_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__time_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__clockid_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____rlim64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,213 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____daddr_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__loff_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__uint in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____useconds_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__fd_mask in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_mutex_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__ushort in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__nlink_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____int64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____key_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____ino64_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_key_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,214 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____fsblkcnt_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,215 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__id_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,215 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__pthread_rwlock_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,215 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____u_int in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,215 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i__dev_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,215 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_dsw_true_valid_memsafety_false_termination_i____blkcnt_t in tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:25,229 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG27b9563a1 [2018-04-12 21:54:25,232 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 21:54:25,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 21:54:25,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 21:54:25,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 21:54:25,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 21:54:25,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 09:54:25" (1/1) ... [2018-04-12 21:54:25,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7225af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25, skipping insertion in model container [2018-04-12 21:54:25,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 09:54:25" (1/1) ... [2018-04-12 21:54:25,250 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 21:54:25,272 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 21:54:25,404 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 21:54:25,443 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 21:54:25,448 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 110 non ball SCCs. Number of states in SCCs 110. [2018-04-12 21:54:25,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25 WrapperNode [2018-04-12 21:54:25,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 21:54:25,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 21:54:25,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 21:54:25,476 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 21:54:25,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25" (1/1) ... [2018-04-12 21:54:25,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25" (1/1) ... [2018-04-12 21:54:25,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25" (1/1) ... [2018-04-12 21:54:25,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25" (1/1) ... [2018-04-12 21:54:25,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25" (1/1) ... [2018-04-12 21:54:25,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25" (1/1) ... [2018-04-12 21:54:25,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25" (1/1) ... [2018-04-12 21:54:25,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 21:54:25,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 21:54:25,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 21:54:25,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 21:54:25,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 21:54:25,603 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 21:54:25,604 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 21:54:25,604 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 21:54:25,604 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 21:54:25,605 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 21:54:25,606 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 21:54:25,606 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 21:54:25,606 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 21:54:25,606 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 21:54:25,606 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 21:54:25,606 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 21:54:25,606 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 21:54:25,606 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 21:54:25,607 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 21:54:25,607 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 21:54:25,607 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 21:54:25,607 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 21:54:25,607 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 21:54:25,607 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 21:54:25,607 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 21:54:25,607 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 21:54:25,607 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 21:54:25,608 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 21:54:25,609 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 21:54:25,610 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 21:54:25,611 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 21:54:25,612 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 21:54:25,613 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 21:54:25,614 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 21:54:25,614 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 21:54:25,614 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 21:54:25,614 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 21:54:25,614 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 21:54:25,614 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 21:54:25,614 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 21:54:25,614 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 21:54:25,614 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 21:54:26,055 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 21:54:26,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 09:54:26 BoogieIcfgContainer [2018-04-12 21:54:26,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 21:54:26,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 21:54:26,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 21:54:26,058 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 21:54:26,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 09:54:25" (1/3) ... [2018-04-12 21:54:26,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361f77a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 09:54:26, skipping insertion in model container [2018-04-12 21:54:26,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 09:54:25" (2/3) ... [2018-04-12 21:54:26,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@361f77a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 09:54:26, skipping insertion in model container [2018-04-12 21:54:26,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 09:54:26" (3/3) ... [2018-04-12 21:54:26,061 INFO L107 eAbstractionObserver]: Analyzing ICFG tree_dsw_true-valid-memsafety_false-termination.i [2018-04-12 21:54:26,067 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 21:54:26,075 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 75 error locations. [2018-04-12 21:54:26,101 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 21:54:26,101 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 21:54:26,101 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 21:54:26,101 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 21:54:26,101 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 21:54:26,101 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 21:54:26,101 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 21:54:26,101 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 21:54:26,102 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 21:54:26,102 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 21:54:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2018-04-12 21:54:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 21:54:26,121 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:26,122 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:26,122 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:26,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1694349239, now seen corresponding path program 1 times [2018-04-12 21:54:26,156 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:26,183 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,219 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:26,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:26,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,221 INFO L182 omatonBuilderFactory]: Interpolants [180#true, 181#false, 182#(= 1 (select |#valid| |main_#t~malloc0.base|)), 183#(= 1 (select |#valid| main_~root~0.base))] [2018-04-12 21:54:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:26,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:26,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:26,233 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2018-04-12 21:54:26,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:26,432 INFO L93 Difference]: Finished difference Result 192 states and 206 transitions. [2018-04-12 21:54:26,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 21:54:26,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-12 21:54:26,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:26,443 INFO L225 Difference]: With dead ends: 192 [2018-04-12 21:54:26,443 INFO L226 Difference]: Without dead ends: 189 [2018-04-12 21:54:26,444 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:26,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-04-12 21:54:26,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 172. [2018-04-12 21:54:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-12 21:54:26,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 185 transitions. [2018-04-12 21:54:26,484 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 185 transitions. Word has length 8 [2018-04-12 21:54:26,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:26,484 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 185 transitions. [2018-04-12 21:54:26,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 185 transitions. [2018-04-12 21:54:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 21:54:26,484 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:26,485 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:26,485 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:26,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1694349240, now seen corresponding path program 1 times [2018-04-12 21:54:26,486 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:26,497 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:26,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,526 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:26,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:26,526 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,526 INFO L182 omatonBuilderFactory]: Interpolants [550#true, 551#false, 552#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 553#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)))] [2018-04-12 21:54:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:26,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:26,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:26,528 INFO L87 Difference]: Start difference. First operand 172 states and 185 transitions. Second operand 4 states. [2018-04-12 21:54:26,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:26,643 INFO L93 Difference]: Finished difference Result 170 states and 183 transitions. [2018-04-12 21:54:26,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 21:54:26,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-12 21:54:26,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:26,644 INFO L225 Difference]: With dead ends: 170 [2018-04-12 21:54:26,645 INFO L226 Difference]: Without dead ends: 170 [2018-04-12 21:54:26,645 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:26,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-12 21:54:26,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-04-12 21:54:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-04-12 21:54:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 183 transitions. [2018-04-12 21:54:26,654 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 183 transitions. Word has length 8 [2018-04-12 21:54:26,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:26,655 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 183 transitions. [2018-04-12 21:54:26,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2018-04-12 21:54:26,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 21:54:26,655 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:26,655 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:26,655 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:26,656 INFO L82 PathProgramCache]: Analyzing trace with hash 804705476, now seen corresponding path program 1 times [2018-04-12 21:54:26,656 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:26,668 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,696 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:26,696 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:26,696 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,697 INFO L182 omatonBuilderFactory]: Interpolants [896#true, 897#false, 898#(= 1 (select |#valid| main_~root~0.base)), 899#(= 1 (select |#valid| main_~n~0.base))] [2018-04-12 21:54:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:26,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:26,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:26,697 INFO L87 Difference]: Start difference. First operand 170 states and 183 transitions. Second operand 4 states. [2018-04-12 21:54:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:26,837 INFO L93 Difference]: Finished difference Result 186 states and 203 transitions. [2018-04-12 21:54:26,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:54:26,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 21:54:26,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:26,838 INFO L225 Difference]: With dead ends: 186 [2018-04-12 21:54:26,838 INFO L226 Difference]: Without dead ends: 186 [2018-04-12 21:54:26,838 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:26,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-04-12 21:54:26,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 157. [2018-04-12 21:54:26,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-12 21:54:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 173 transitions. [2018-04-12 21:54:26,847 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 173 transitions. Word has length 14 [2018-04-12 21:54:26,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:26,848 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 173 transitions. [2018-04-12 21:54:26,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 173 transitions. [2018-04-12 21:54:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 21:54:26,848 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:26,848 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:26,849 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:26,849 INFO L82 PathProgramCache]: Analyzing trace with hash 804705477, now seen corresponding path program 1 times [2018-04-12 21:54:26,850 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:26,861 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,894 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:26,894 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:54:26,894 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,894 INFO L182 omatonBuilderFactory]: Interpolants [1248#(and (= 0 main_~root~0.offset) (= 8 (select |#length| main_~root~0.base))), 1249#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 1245#true, 1246#false, 1247#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|))] [2018-04-12 21:54:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:26,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:54:26,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:54:26,895 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:26,895 INFO L87 Difference]: Start difference. First operand 157 states and 173 transitions. Second operand 5 states. [2018-04-12 21:54:27,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:27,088 INFO L93 Difference]: Finished difference Result 215 states and 238 transitions. [2018-04-12 21:54:27,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:54:27,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 21:54:27,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:27,090 INFO L225 Difference]: With dead ends: 215 [2018-04-12 21:54:27,090 INFO L226 Difference]: Without dead ends: 215 [2018-04-12 21:54:27,090 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-12 21:54:27,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-04-12 21:54:27,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 192. [2018-04-12 21:54:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-12 21:54:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 219 transitions. [2018-04-12 21:54:27,098 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 219 transitions. Word has length 14 [2018-04-12 21:54:27,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:27,098 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 219 transitions. [2018-04-12 21:54:27,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:54:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 219 transitions. [2018-04-12 21:54:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 21:54:27,099 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:27,099 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:27,099 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:27,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1368346758, now seen corresponding path program 1 times [2018-04-12 21:54:27,100 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:27,110 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,145 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:27,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 21:54:27,145 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,146 INFO L182 omatonBuilderFactory]: Interpolants [1664#(= main_~root~0.offset 0), 1665#(= main_~root~0.offset |main_~#sentinel~0.offset|), 1666#(and (= main_~pred~0.base |main_~#sentinel~0.base|) (= main_~pred~0.offset main_~root~0.offset) (= main_~root~0.base main_~n~0.base)), 1667#(and (= main_~pred~0.offset main_~root~0.offset) (= main_~root~0.base main_~pred~0.base)), 1661#true, 1662#false, 1663#(= |main_#t~malloc0.offset| 0)] [2018-04-12 21:54:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 21:54:27,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 21:54:27,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 21:54:27,147 INFO L87 Difference]: Start difference. First operand 192 states and 219 transitions. Second operand 7 states. [2018-04-12 21:54:27,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:27,248 INFO L93 Difference]: Finished difference Result 257 states and 286 transitions. [2018-04-12 21:54:27,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 21:54:27,248 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-04-12 21:54:27,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:27,249 INFO L225 Difference]: With dead ends: 257 [2018-04-12 21:54:27,249 INFO L226 Difference]: Without dead ends: 257 [2018-04-12 21:54:27,249 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-12 21:54:27,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-04-12 21:54:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 193. [2018-04-12 21:54:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-04-12 21:54:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 220 transitions. [2018-04-12 21:54:27,258 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 220 transitions. Word has length 18 [2018-04-12 21:54:27,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:27,259 INFO L459 AbstractCegarLoop]: Abstraction has 193 states and 220 transitions. [2018-04-12 21:54:27,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 21:54:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 220 transitions. [2018-04-12 21:54:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 21:54:27,259 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:27,259 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:27,259 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:27,259 INFO L82 PathProgramCache]: Analyzing trace with hash 888605583, now seen corresponding path program 1 times [2018-04-12 21:54:27,260 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:27,266 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,287 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:27,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 21:54:27,288 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,288 INFO L182 omatonBuilderFactory]: Interpolants [2130#true, 2131#false, 2132#(= (select |#valid| main_~root~0.base) 1), 2133#(not (= main_~root~0.base |main_~#sentinel~0.base|)), 2134#(not (= main_~n~0.base |main_~#sentinel~0.base|))] [2018-04-12 21:54:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:54:27,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:54:27,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:27,289 INFO L87 Difference]: Start difference. First operand 193 states and 220 transitions. Second operand 5 states. [2018-04-12 21:54:27,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:27,388 INFO L93 Difference]: Finished difference Result 213 states and 239 transitions. [2018-04-12 21:54:27,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 21:54:27,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-12 21:54:27,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:27,390 INFO L225 Difference]: With dead ends: 213 [2018-04-12 21:54:27,390 INFO L226 Difference]: Without dead ends: 213 [2018-04-12 21:54:27,390 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-12 21:54:27,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-04-12 21:54:27,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 192. [2018-04-12 21:54:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-12 21:54:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 218 transitions. [2018-04-12 21:54:27,394 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 218 transitions. Word has length 21 [2018-04-12 21:54:27,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:27,395 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 218 transitions. [2018-04-12 21:54:27,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:54:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 218 transitions. [2018-04-12 21:54:27,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 21:54:27,395 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:27,395 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:27,395 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:27,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1657520315, now seen corresponding path program 1 times [2018-04-12 21:54:27,396 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:27,406 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,434 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:27,434 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:27,434 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,434 INFO L182 omatonBuilderFactory]: Interpolants [2544#true, 2545#false, 2546#(not |main_#t~short4|)] [2018-04-12 21:54:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 21:54:27,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 21:54:27,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 21:54:27,435 INFO L87 Difference]: Start difference. First operand 192 states and 218 transitions. Second operand 3 states. [2018-04-12 21:54:27,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:27,440 INFO L93 Difference]: Finished difference Result 194 states and 220 transitions. [2018-04-12 21:54:27,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 21:54:27,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-04-12 21:54:27,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:27,441 INFO L225 Difference]: With dead ends: 194 [2018-04-12 21:54:27,441 INFO L226 Difference]: Without dead ends: 194 [2018-04-12 21:54:27,441 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 21:54:27,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-04-12 21:54:27,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2018-04-12 21:54:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-04-12 21:54:27,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 220 transitions. [2018-04-12 21:54:27,443 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 220 transitions. Word has length 22 [2018-04-12 21:54:27,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:27,444 INFO L459 AbstractCegarLoop]: Abstraction has 194 states and 220 transitions. [2018-04-12 21:54:27,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 21:54:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 220 transitions. [2018-04-12 21:54:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 21:54:27,444 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:27,444 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:27,444 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:27,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1511147928, now seen corresponding path program 1 times [2018-04-12 21:54:27,445 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:27,458 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,499 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:27,499 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 21:54:27,499 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,499 INFO L182 omatonBuilderFactory]: Interpolants [2935#true, 2936#false, 2937#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 2938#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 2939#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 2940#(not |main_#t~short4|)] [2018-04-12 21:54:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 21:54:27,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 21:54:27,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 21:54:27,500 INFO L87 Difference]: Start difference. First operand 194 states and 220 transitions. Second operand 6 states. [2018-04-12 21:54:27,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:27,658 INFO L93 Difference]: Finished difference Result 242 states and 275 transitions. [2018-04-12 21:54:27,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 21:54:27,658 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-12 21:54:27,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:27,659 INFO L225 Difference]: With dead ends: 242 [2018-04-12 21:54:27,659 INFO L226 Difference]: Without dead ends: 242 [2018-04-12 21:54:27,659 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-04-12 21:54:27,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-04-12 21:54:27,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 210. [2018-04-12 21:54:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-04-12 21:54:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2018-04-12 21:54:27,662 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 24 [2018-04-12 21:54:27,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:27,662 INFO L459 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2018-04-12 21:54:27,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 21:54:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2018-04-12 21:54:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 21:54:27,663 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:27,663 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:27,665 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:27,665 INFO L82 PathProgramCache]: Analyzing trace with hash -690724340, now seen corresponding path program 1 times [2018-04-12 21:54:27,665 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:27,674 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,701 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:27,701 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:54:27,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,701 INFO L182 omatonBuilderFactory]: Interpolants [3399#true, 3400#false, 3401#(= 1 (select |#valid| |main_#t~malloc11.base|)), 3402#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 3403#(= 1 (select |#valid| |main_#t~mem12.base|))] [2018-04-12 21:54:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:54:27,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:54:27,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:27,702 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand 5 states. [2018-04-12 21:54:27,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:27,908 INFO L93 Difference]: Finished difference Result 337 states and 388 transitions. [2018-04-12 21:54:27,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 21:54:27,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-04-12 21:54:27,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:27,910 INFO L225 Difference]: With dead ends: 337 [2018-04-12 21:54:27,910 INFO L226 Difference]: Without dead ends: 337 [2018-04-12 21:54:27,910 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:54:27,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-12 21:54:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 209. [2018-04-12 21:54:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-04-12 21:54:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 239 transitions. [2018-04-12 21:54:27,916 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 239 transitions. Word has length 25 [2018-04-12 21:54:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:27,916 INFO L459 AbstractCegarLoop]: Abstraction has 209 states and 239 transitions. [2018-04-12 21:54:27,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:54:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 239 transitions. [2018-04-12 21:54:27,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 21:54:27,917 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:27,917 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:27,917 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:27,918 INFO L82 PathProgramCache]: Analyzing trace with hash -690724339, now seen corresponding path program 1 times [2018-04-12 21:54:27,918 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:27,928 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,967 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:27,968 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:54:27,968 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,968 INFO L182 omatonBuilderFactory]: Interpolants [3956#true, 3957#false, 3958#(and (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| |main_#t~malloc11.base|))), 3959#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 3960#(and (= |main_#t~mem12.offset| 0) (= 8 (select |#length| |main_#t~mem12.base|)))] [2018-04-12 21:54:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:27,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:54:27,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:54:27,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:27,969 INFO L87 Difference]: Start difference. First operand 209 states and 239 transitions. Second operand 5 states. [2018-04-12 21:54:28,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:28,189 INFO L93 Difference]: Finished difference Result 372 states and 423 transitions. [2018-04-12 21:54:28,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 21:54:28,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-04-12 21:54:28,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:28,190 INFO L225 Difference]: With dead ends: 372 [2018-04-12 21:54:28,190 INFO L226 Difference]: Without dead ends: 372 [2018-04-12 21:54:28,191 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:54:28,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-04-12 21:54:28,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 208. [2018-04-12 21:54:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-04-12 21:54:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 237 transitions. [2018-04-12 21:54:28,196 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 237 transitions. Word has length 25 [2018-04-12 21:54:28,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:28,196 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 237 transitions. [2018-04-12 21:54:28,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:54:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 237 transitions. [2018-04-12 21:54:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 21:54:28,197 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:28,197 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:28,197 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:28,198 INFO L82 PathProgramCache]: Analyzing trace with hash -96046116, now seen corresponding path program 1 times [2018-04-12 21:54:28,198 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:28,206 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:28,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:28,224 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:28,224 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:28,224 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:28,224 INFO L182 omatonBuilderFactory]: Interpolants [4547#true, 4548#false, 4549#(= 1 (select |#valid| main_~n~0.base)), 4550#(= 1 (select |#valid| main_~pred~0.base))] [2018-04-12 21:54:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:28,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:28,225 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:28,225 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:28,225 INFO L87 Difference]: Start difference. First operand 208 states and 237 transitions. Second operand 4 states. [2018-04-12 21:54:28,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:28,388 INFO L93 Difference]: Finished difference Result 256 states and 289 transitions. [2018-04-12 21:54:28,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:54:28,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-04-12 21:54:28,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:28,390 INFO L225 Difference]: With dead ends: 256 [2018-04-12 21:54:28,390 INFO L226 Difference]: Without dead ends: 256 [2018-04-12 21:54:28,390 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:28,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-04-12 21:54:28,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 211. [2018-04-12 21:54:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-04-12 21:54:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 242 transitions. [2018-04-12 21:54:28,394 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 242 transitions. Word has length 27 [2018-04-12 21:54:28,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:28,395 INFO L459 AbstractCegarLoop]: Abstraction has 211 states and 242 transitions. [2018-04-12 21:54:28,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 242 transitions. [2018-04-12 21:54:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 21:54:28,395 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:28,396 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:28,396 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:28,396 INFO L82 PathProgramCache]: Analyzing trace with hash -96046115, now seen corresponding path program 1 times [2018-04-12 21:54:28,397 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:28,404 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 21:54:28,487 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:28,487 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 21:54:28,488 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:28,488 INFO L182 omatonBuilderFactory]: Interpolants [5024#(and (or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (= 8 (select |#length| main_~root~0.base))) (= 0 main_~root~0.offset)), 5025#(and (= 0 main_~n~0.offset) (or (= 8 (select |#length| main_~n~0.base)) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)))), 5026#(and (= 0 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))), 5027#(and (= 0 main_~pred~0.offset) (= 8 (select |#length| main_~pred~0.base))), 5020#true, 5021#false, 5022#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 5023#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)))] [2018-04-12 21:54:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 21:54:28,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 21:54:28,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 21:54:28,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:54:28,489 INFO L87 Difference]: Start difference. First operand 211 states and 242 transitions. Second operand 8 states. [2018-04-12 21:54:28,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:28,701 INFO L93 Difference]: Finished difference Result 325 states and 361 transitions. [2018-04-12 21:54:28,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 21:54:28,702 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-04-12 21:54:28,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:28,703 INFO L225 Difference]: With dead ends: 325 [2018-04-12 21:54:28,703 INFO L226 Difference]: Without dead ends: 325 [2018-04-12 21:54:28,703 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-04-12 21:54:28,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-04-12 21:54:28,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 215. [2018-04-12 21:54:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-04-12 21:54:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 248 transitions. [2018-04-12 21:54:28,707 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 248 transitions. Word has length 27 [2018-04-12 21:54:28,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:28,707 INFO L459 AbstractCegarLoop]: Abstraction has 215 states and 248 transitions. [2018-04-12 21:54:28,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 21:54:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 248 transitions. [2018-04-12 21:54:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 21:54:28,708 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:28,708 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:28,708 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:28,708 INFO L82 PathProgramCache]: Analyzing trace with hash -95986534, now seen corresponding path program 1 times [2018-04-12 21:54:28,709 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:28,715 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:28,771 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:28,771 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 21:54:28,771 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:28,772 INFO L182 omatonBuilderFactory]: Interpolants [5576#true, 5577#false, 5578#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 5579#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 5580#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 5581#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 5582#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base))] [2018-04-12 21:54:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:28,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 21:54:28,772 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 21:54:28,772 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 21:54:28,772 INFO L87 Difference]: Start difference. First operand 215 states and 248 transitions. Second operand 7 states. [2018-04-12 21:54:28,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:28,968 INFO L93 Difference]: Finished difference Result 351 states and 390 transitions. [2018-04-12 21:54:28,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 21:54:28,983 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-04-12 21:54:28,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:28,984 INFO L225 Difference]: With dead ends: 351 [2018-04-12 21:54:28,984 INFO L226 Difference]: Without dead ends: 351 [2018-04-12 21:54:28,984 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-04-12 21:54:28,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-04-12 21:54:28,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 227. [2018-04-12 21:54:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-04-12 21:54:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 260 transitions. [2018-04-12 21:54:28,987 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 260 transitions. Word has length 27 [2018-04-12 21:54:28,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:28,987 INFO L459 AbstractCegarLoop]: Abstraction has 227 states and 260 transitions. [2018-04-12 21:54:28,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 21:54:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 260 transitions. [2018-04-12 21:54:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 21:54:28,988 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:28,988 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:28,988 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:28,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1317536726, now seen corresponding path program 1 times [2018-04-12 21:54:28,989 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:28,995 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:29,025 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:29,025 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-12 21:54:29,025 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:29,026 INFO L182 omatonBuilderFactory]: Interpolants [6176#(not (= |main_~#sentinel~0.base| main_~pred~0.base)), 6169#true, 6170#false, 6171#(= |main_#t~malloc0.offset| 0), 6172#(= main_~root~0.offset 0), 6173#(= |main_~#sentinel~0.offset| main_~root~0.offset), 6174#(= |main_~#sentinel~0.offset| main_~n~0.offset), 6175#(not (= |main_~#sentinel~0.base| main_~n~0.base))] [2018-04-12 21:54:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:29,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 21:54:29,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 21:54:29,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:54:29,026 INFO L87 Difference]: Start difference. First operand 227 states and 260 transitions. Second operand 8 states. [2018-04-12 21:54:29,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:29,213 INFO L93 Difference]: Finished difference Result 312 states and 349 transitions. [2018-04-12 21:54:29,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 21:54:29,213 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-04-12 21:54:29,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:29,214 INFO L225 Difference]: With dead ends: 312 [2018-04-12 21:54:29,214 INFO L226 Difference]: Without dead ends: 312 [2018-04-12 21:54:29,214 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2018-04-12 21:54:29,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-04-12 21:54:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 225. [2018-04-12 21:54:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-04-12 21:54:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 257 transitions. [2018-04-12 21:54:29,218 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 257 transitions. Word has length 28 [2018-04-12 21:54:29,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:29,219 INFO L459 AbstractCegarLoop]: Abstraction has 225 states and 257 transitions. [2018-04-12 21:54:29,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 21:54:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 257 transitions. [2018-04-12 21:54:29,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 21:54:29,219 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:29,219 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:29,220 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:29,220 INFO L82 PathProgramCache]: Analyzing trace with hash -180443154, now seen corresponding path program 1 times [2018-04-12 21:54:29,220 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:29,230 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:29,292 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:29,293 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 21:54:29,293 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:29,293 INFO L182 omatonBuilderFactory]: Interpolants [6736#(= 1 (select |#valid| |main_#t~mem13.base|)), 6728#true, 6729#false, 6730#(= (select |#valid| main_~root~0.base) 1), 6731#(= (select |#valid| main_~n~0.base) 1), 6732#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| |main_#t~malloc11.base|))), 6733#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 6734#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 6735#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))] [2018-04-12 21:54:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:29,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 21:54:29,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 21:54:29,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 21:54:29,294 INFO L87 Difference]: Start difference. First operand 225 states and 257 transitions. Second operand 9 states. [2018-04-12 21:54:29,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:29,662 INFO L93 Difference]: Finished difference Result 284 states and 324 transitions. [2018-04-12 21:54:29,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 21:54:29,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-04-12 21:54:29,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:29,663 INFO L225 Difference]: With dead ends: 284 [2018-04-12 21:54:29,663 INFO L226 Difference]: Without dead ends: 284 [2018-04-12 21:54:29,663 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-04-12 21:54:29,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-04-12 21:54:29,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 224. [2018-04-12 21:54:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-04-12 21:54:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 255 transitions. [2018-04-12 21:54:29,667 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 255 transitions. Word has length 28 [2018-04-12 21:54:29,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:29,667 INFO L459 AbstractCegarLoop]: Abstraction has 224 states and 255 transitions. [2018-04-12 21:54:29,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 21:54:29,667 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 255 transitions. [2018-04-12 21:54:29,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 21:54:29,667 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:29,667 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:29,667 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:29,668 INFO L82 PathProgramCache]: Analyzing trace with hash -180443153, now seen corresponding path program 1 times [2018-04-12 21:54:29,668 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:29,674 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:29,753 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:29,754 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 21:54:29,754 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:29,754 INFO L182 omatonBuilderFactory]: Interpolants [7264#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7265#(and (= |main_#t~mem13.offset| 0) (= 8 (select |#length| |main_#t~mem13.base|))), 7257#true, 7258#false, 7259#(= (select |#valid| main_~root~0.base) 1), 7260#(= (select |#valid| main_~n~0.base) 1), 7261#(and (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|))), 7262#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7263#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))] [2018-04-12 21:54:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:29,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 21:54:29,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 21:54:29,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 21:54:29,755 INFO L87 Difference]: Start difference. First operand 224 states and 255 transitions. Second operand 9 states. [2018-04-12 21:54:30,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:30,139 INFO L93 Difference]: Finished difference Result 283 states and 322 transitions. [2018-04-12 21:54:30,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 21:54:30,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-04-12 21:54:30,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:30,140 INFO L225 Difference]: With dead ends: 283 [2018-04-12 21:54:30,140 INFO L226 Difference]: Without dead ends: 283 [2018-04-12 21:54:30,140 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-04-12 21:54:30,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-04-12 21:54:30,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 223. [2018-04-12 21:54:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-12 21:54:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2018-04-12 21:54:30,143 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 28 [2018-04-12 21:54:30,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:30,143 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2018-04-12 21:54:30,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 21:54:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2018-04-12 21:54:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 21:54:30,144 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:30,144 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:30,144 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:30,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1227873623, now seen corresponding path program 1 times [2018-04-12 21:54:30,145 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:30,152 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:30,184 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:30,184 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:54:30,185 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:30,185 INFO L182 omatonBuilderFactory]: Interpolants [7784#true, 7785#false, 7786#(= 1 (select |#valid| |main_#t~malloc17.base|)), 7787#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 7788#(= 1 (select |#valid| |main_#t~mem18.base|))] [2018-04-12 21:54:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:30,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:54:30,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:54:30,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:30,186 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 5 states. [2018-04-12 21:54:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:30,451 INFO L93 Difference]: Finished difference Result 353 states and 404 transitions. [2018-04-12 21:54:30,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 21:54:30,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-12 21:54:30,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:30,452 INFO L225 Difference]: With dead ends: 353 [2018-04-12 21:54:30,452 INFO L226 Difference]: Without dead ends: 353 [2018-04-12 21:54:30,453 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:54:30,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-04-12 21:54:30,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 222. [2018-04-12 21:54:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-04-12 21:54:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2018-04-12 21:54:30,456 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 29 [2018-04-12 21:54:30,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:30,457 INFO L459 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2018-04-12 21:54:30,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:54:30,457 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2018-04-12 21:54:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 21:54:30,457 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:30,457 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:30,457 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:30,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1227873622, now seen corresponding path program 1 times [2018-04-12 21:54:30,458 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:30,465 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:30,489 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:30,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:54:30,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:30,490 INFO L182 omatonBuilderFactory]: Interpolants [8370#true, 8371#false, 8372#(and (= 8 (select |#length| |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 8373#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 8374#(and (= |main_#t~mem18.offset| 0) (= 8 (select |#length| |main_#t~mem18.base|)))] [2018-04-12 21:54:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:30,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:54:30,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:54:30,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:30,491 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 5 states. [2018-04-12 21:54:30,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:30,784 INFO L93 Difference]: Finished difference Result 388 states and 439 transitions. [2018-04-12 21:54:30,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 21:54:30,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-12 21:54:30,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:30,785 INFO L225 Difference]: With dead ends: 388 [2018-04-12 21:54:30,785 INFO L226 Difference]: Without dead ends: 388 [2018-04-12 21:54:30,785 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:54:30,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-04-12 21:54:30,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 221. [2018-04-12 21:54:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-04-12 21:54:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions. [2018-04-12 21:54:30,787 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 29 [2018-04-12 21:54:30,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:30,788 INFO L459 AbstractCegarLoop]: Abstraction has 221 states and 249 transitions. [2018-04-12 21:54:30,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:54:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions. [2018-04-12 21:54:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 21:54:30,788 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:30,788 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:30,788 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:30,788 INFO L82 PathProgramCache]: Analyzing trace with hash 653445651, now seen corresponding path program 1 times [2018-04-12 21:54:30,789 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:30,796 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:30,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:30,849 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:30,849 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 21:54:30,849 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:30,850 INFO L182 omatonBuilderFactory]: Interpolants [8992#(= (select |#valid| main_~root~0.base) 1), 8993#(= (select |#valid| main_~n~0.base) 1), 8994#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| |main_#t~malloc17.base|))), 8995#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8996#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8997#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 8998#(= 1 (select |#valid| |main_#t~mem19.base|)), 8990#true, 8991#false] [2018-04-12 21:54:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:30,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 21:54:30,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 21:54:30,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 21:54:30,850 INFO L87 Difference]: Start difference. First operand 221 states and 249 transitions. Second operand 9 states. [2018-04-12 21:54:31,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:31,216 INFO L93 Difference]: Finished difference Result 250 states and 281 transitions. [2018-04-12 21:54:31,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 21:54:31,217 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-04-12 21:54:31,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:31,218 INFO L225 Difference]: With dead ends: 250 [2018-04-12 21:54:31,218 INFO L226 Difference]: Without dead ends: 250 [2018-04-12 21:54:31,218 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-04-12 21:54:31,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-04-12 21:54:31,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 220. [2018-04-12 21:54:31,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-04-12 21:54:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2018-04-12 21:54:31,221 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 32 [2018-04-12 21:54:31,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:31,221 INFO L459 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2018-04-12 21:54:31,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 21:54:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2018-04-12 21:54:31,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 21:54:31,222 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:31,222 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:31,222 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:31,222 INFO L82 PathProgramCache]: Analyzing trace with hash 653445652, now seen corresponding path program 1 times [2018-04-12 21:54:31,224 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:31,234 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:31,323 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:31,323 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 21:54:31,323 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:31,323 INFO L182 omatonBuilderFactory]: Interpolants [9488#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 9489#(and (= 8 (select |#length| |main_#t~mem19.base|)) (= |main_#t~mem19.offset| 0)), 9481#true, 9482#false, 9483#(= (select |#valid| main_~root~0.base) 1), 9484#(= (select |#valid| main_~n~0.base) 1), 9485#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 9486#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9487#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)))] [2018-04-12 21:54:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:31,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 21:54:31,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 21:54:31,324 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 21:54:31,324 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 9 states. [2018-04-12 21:54:31,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:31,621 INFO L93 Difference]: Finished difference Result 249 states and 280 transitions. [2018-04-12 21:54:31,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 21:54:31,621 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-04-12 21:54:31,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:31,622 INFO L225 Difference]: With dead ends: 249 [2018-04-12 21:54:31,622 INFO L226 Difference]: Without dead ends: 249 [2018-04-12 21:54:31,622 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-04-12 21:54:31,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-04-12 21:54:31,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 219. [2018-04-12 21:54:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-04-12 21:54:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 247 transitions. [2018-04-12 21:54:31,624 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 247 transitions. Word has length 32 [2018-04-12 21:54:31,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:31,624 INFO L459 AbstractCegarLoop]: Abstraction has 219 states and 247 transitions. [2018-04-12 21:54:31,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 21:54:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 247 transitions. [2018-04-12 21:54:31,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 21:54:31,624 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:31,625 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:31,625 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:31,625 INFO L82 PathProgramCache]: Analyzing trace with hash -983866550, now seen corresponding path program 1 times [2018-04-12 21:54:31,625 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:31,630 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:31,790 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:31,790 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 21:54:31,790 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:31,791 INFO L182 omatonBuilderFactory]: Interpolants [9970#true, 9971#false, 9972#(= 0 |main_#t~malloc0.offset|), 9973#(= main_~root~0.offset 0), 9974#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 9975#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 9976#(and (= 0 |main_#t~mem21.offset|) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 9977#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 9978#(and (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 9979#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 9980#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 9981#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 9982#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base))] [2018-04-12 21:54:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:31,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 21:54:31,791 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 21:54:31,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2018-04-12 21:54:31,792 INFO L87 Difference]: Start difference. First operand 219 states and 247 transitions. Second operand 13 states. [2018-04-12 21:54:32,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:32,242 INFO L93 Difference]: Finished difference Result 361 states and 409 transitions. [2018-04-12 21:54:32,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 21:54:32,282 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-12 21:54:32,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:32,283 INFO L225 Difference]: With dead ends: 361 [2018-04-12 21:54:32,283 INFO L226 Difference]: Without dead ends: 361 [2018-04-12 21:54:32,284 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2018-04-12 21:54:32,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-04-12 21:54:32,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 292. [2018-04-12 21:54:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-12 21:54:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 343 transitions. [2018-04-12 21:54:32,286 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 343 transitions. Word has length 37 [2018-04-12 21:54:32,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:32,287 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 343 transitions. [2018-04-12 21:54:32,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 21:54:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 343 transitions. [2018-04-12 21:54:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 21:54:32,287 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:32,288 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:32,288 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:32,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2133144070, now seen corresponding path program 2 times [2018-04-12 21:54:32,288 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:32,296 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:32,452 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:32,452 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 21:54:32,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:32,452 INFO L182 omatonBuilderFactory]: Interpolants [10668#true, 10669#false, 10670#(= 0 |main_#t~malloc0.offset|), 10671#(= main_~root~0.offset 0), 10672#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= main_~root~0.offset 0)), 10673#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| main_~pred~0.base) (= main_~n~0.offset 0)), 10674#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= main_~n~0.offset 0) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))), 10675#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))), 10676#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= main_~n~0.offset 0) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 10677#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= main_~n~0.offset 0) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 10678#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))), 10679#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 10680#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)), 10681#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| main_~succ~0.base)), 10682#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| main_~n~0.base)), 10683#(= 1 (select |#valid| main_~n~0.base))] [2018-04-12 21:54:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:32,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 21:54:32,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 21:54:32,453 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2018-04-12 21:54:32,453 INFO L87 Difference]: Start difference. First operand 292 states and 343 transitions. Second operand 16 states. [2018-04-12 21:54:33,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:33,257 INFO L93 Difference]: Finished difference Result 431 states and 494 transitions. [2018-04-12 21:54:33,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-12 21:54:33,257 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 47 [2018-04-12 21:54:33,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:33,259 INFO L225 Difference]: With dead ends: 431 [2018-04-12 21:54:33,259 INFO L226 Difference]: Without dead ends: 431 [2018-04-12 21:54:33,259 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=330, Invalid=1392, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 21:54:33,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-04-12 21:54:33,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 322. [2018-04-12 21:54:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-04-12 21:54:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 376 transitions. [2018-04-12 21:54:33,264 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 376 transitions. Word has length 47 [2018-04-12 21:54:33,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:33,265 INFO L459 AbstractCegarLoop]: Abstraction has 322 states and 376 transitions. [2018-04-12 21:54:33,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 21:54:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 376 transitions. [2018-04-12 21:54:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 21:54:33,265 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:33,266 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:33,266 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:33,266 INFO L82 PathProgramCache]: Analyzing trace with hash -2133144069, now seen corresponding path program 1 times [2018-04-12 21:54:33,267 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:33,277 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:33,442 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:33,442 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 21:54:33,442 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:33,442 INFO L182 omatonBuilderFactory]: Interpolants [11489#true, 11490#false, 11491#(= 0 |main_#t~malloc0.offset|), 11492#(= main_~root~0.offset 0), 11493#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_~#sentinel~0.base| main_~pred~0.base) (= main_~n~0.offset 0)), 11494#(and (= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))), 11495#(and (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))), 11496#(and (= main_~n~0.offset 0) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 11497#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 11498#(and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 11499#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 11500#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)), 11501#(and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base)), 11502#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base))] [2018-04-12 21:54:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:33,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 21:54:33,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 21:54:33,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-04-12 21:54:33,443 INFO L87 Difference]: Start difference. First operand 322 states and 376 transitions. Second operand 14 states. [2018-04-12 21:54:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:33,936 INFO L93 Difference]: Finished difference Result 432 states and 494 transitions. [2018-04-12 21:54:33,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 21:54:33,936 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 47 [2018-04-12 21:54:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:33,937 INFO L225 Difference]: With dead ends: 432 [2018-04-12 21:54:33,937 INFO L226 Difference]: Without dead ends: 432 [2018-04-12 21:54:33,938 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=825, Unknown=0, NotChecked=0, Total=992 [2018-04-12 21:54:33,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-04-12 21:54:33,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 324. [2018-04-12 21:54:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-04-12 21:54:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 378 transitions. [2018-04-12 21:54:33,940 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 378 transitions. Word has length 47 [2018-04-12 21:54:33,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:33,941 INFO L459 AbstractCegarLoop]: Abstraction has 324 states and 378 transitions. [2018-04-12 21:54:33,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 21:54:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 378 transitions. [2018-04-12 21:54:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-12 21:54:33,941 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:33,941 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:33,941 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:33,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1702957704, now seen corresponding path program 1 times [2018-04-12 21:54:33,942 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:33,946 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-04-12 21:54:33,975 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:33,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-04-12 21:54:33,976 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:33,976 INFO L182 omatonBuilderFactory]: Interpolants [12295#true, 12296#false, 12297#(and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset)), 12298#(and (= main_~root~0.offset main_~pred~0.offset) (= main_~root~0.base main_~pred~0.base))] [2018-04-12 21:54:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-04-12 21:54:33,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:33,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:33,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:33,976 INFO L87 Difference]: Start difference. First operand 324 states and 378 transitions. Second operand 4 states. [2018-04-12 21:54:34,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:34,034 INFO L93 Difference]: Finished difference Result 422 states and 482 transitions. [2018-04-12 21:54:34,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 21:54:34,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2018-04-12 21:54:34,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:34,035 INFO L225 Difference]: With dead ends: 422 [2018-04-12 21:54:34,035 INFO L226 Difference]: Without dead ends: 422 [2018-04-12 21:54:34,035 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:34,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-04-12 21:54:34,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 327. [2018-04-12 21:54:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-04-12 21:54:34,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 382 transitions. [2018-04-12 21:54:34,038 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 382 transitions. Word has length 48 [2018-04-12 21:54:34,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:34,038 INFO L459 AbstractCegarLoop]: Abstraction has 327 states and 382 transitions. [2018-04-12 21:54:34,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 382 transitions. [2018-04-12 21:54:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-12 21:54:34,039 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:34,039 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:34,039 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:34,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1219994781, now seen corresponding path program 1 times [2018-04-12 21:54:34,040 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:34,047 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:34,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:34,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 21:54:34,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:34,176 INFO L182 omatonBuilderFactory]: Interpolants [13056#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 13057#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0) (= main_~n~0.offset 0)), 13058#(and (= main_~n~0.offset 0) (not |main_#t~short4|)), 13048#true, 13049#false, 13050#(= 0 |main_#t~malloc0.offset|), 13051#(= main_~root~0.offset 0), 13052#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 13053#(and (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 13054#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)) (not |main_#t~short16|)), 13055#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0))] [2018-04-12 21:54:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:34,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 21:54:34,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 21:54:34,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-12 21:54:34,176 INFO L87 Difference]: Start difference. First operand 327 states and 382 transitions. Second operand 11 states. [2018-04-12 21:54:34,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:34,525 INFO L93 Difference]: Finished difference Result 358 states and 406 transitions. [2018-04-12 21:54:34,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 21:54:34,525 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2018-04-12 21:54:34,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:34,526 INFO L225 Difference]: With dead ends: 358 [2018-04-12 21:54:34,526 INFO L226 Difference]: Without dead ends: 358 [2018-04-12 21:54:34,526 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2018-04-12 21:54:34,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-04-12 21:54:34,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 328. [2018-04-12 21:54:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-04-12 21:54:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 373 transitions. [2018-04-12 21:54:34,529 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 373 transitions. Word has length 48 [2018-04-12 21:54:34,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:34,529 INFO L459 AbstractCegarLoop]: Abstraction has 328 states and 373 transitions. [2018-04-12 21:54:34,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 21:54:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 373 transitions. [2018-04-12 21:54:34,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-12 21:54:34,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:34,530 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:34,530 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:34,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1534936733, now seen corresponding path program 1 times [2018-04-12 21:54:34,530 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:34,537 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:34,679 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:34,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 21:54:34,679 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:34,679 INFO L182 omatonBuilderFactory]: Interpolants [13769#true, 13770#false, 13771#(= (select |#valid| main_~root~0.base) 1), 13772#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 13773#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.base|) (= main_~n~0.offset main_~root~0.offset)), 13774#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)) |main_#t~short4|)), 13775#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 13776#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 13777#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 13778#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 13779#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 13780#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 13781#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 13782#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 13783#(not |main_#t~short4|)] [2018-04-12 21:54:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:34,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 21:54:34,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 21:54:34,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2018-04-12 21:54:34,680 INFO L87 Difference]: Start difference. First operand 328 states and 373 transitions. Second operand 15 states. [2018-04-12 21:54:35,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:35,227 INFO L93 Difference]: Finished difference Result 482 states and 555 transitions. [2018-04-12 21:54:35,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 21:54:35,227 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 48 [2018-04-12 21:54:35,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:35,228 INFO L225 Difference]: With dead ends: 482 [2018-04-12 21:54:35,228 INFO L226 Difference]: Without dead ends: 482 [2018-04-12 21:54:35,228 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2018-04-12 21:54:35,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2018-04-12 21:54:35,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 383. [2018-04-12 21:54:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-04-12 21:54:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 443 transitions. [2018-04-12 21:54:35,231 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 443 transitions. Word has length 48 [2018-04-12 21:54:35,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:35,231 INFO L459 AbstractCegarLoop]: Abstraction has 383 states and 443 transitions. [2018-04-12 21:54:35,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 21:54:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 443 transitions. [2018-04-12 21:54:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-12 21:54:35,232 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:35,232 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:35,232 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:35,232 INFO L82 PathProgramCache]: Analyzing trace with hash -654315171, now seen corresponding path program 1 times [2018-04-12 21:54:35,233 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:35,238 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:35,250 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:35,251 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:35,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:35,251 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:35,251 INFO L182 omatonBuilderFactory]: Interpolants [14672#false, 14673#(= 1 (select |#valid| |main_#t~malloc22.base|)), 14674#(= 1 (select |#valid| main_~s~0.base)), 14671#true] [2018-04-12 21:54:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:35,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:35,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:35,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:35,252 INFO L87 Difference]: Start difference. First operand 383 states and 443 transitions. Second operand 4 states. [2018-04-12 21:54:35,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:35,361 INFO L93 Difference]: Finished difference Result 397 states and 458 transitions. [2018-04-12 21:54:35,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:54:35,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-04-12 21:54:35,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:35,362 INFO L225 Difference]: With dead ends: 397 [2018-04-12 21:54:35,363 INFO L226 Difference]: Without dead ends: 397 [2018-04-12 21:54:35,363 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:35,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-04-12 21:54:35,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 384. [2018-04-12 21:54:35,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-04-12 21:54:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2018-04-12 21:54:35,366 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 51 [2018-04-12 21:54:35,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:35,366 INFO L459 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2018-04-12 21:54:35,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2018-04-12 21:54:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-12 21:54:35,367 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:35,367 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:35,367 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:35,367 INFO L82 PathProgramCache]: Analyzing trace with hash -654315170, now seen corresponding path program 1 times [2018-04-12 21:54:35,367 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:35,376 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:35,412 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:35,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:35,413 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:35,413 INFO L182 omatonBuilderFactory]: Interpolants [15458#true, 15459#false, 15460#(and (= 8 (select |#length| |main_#t~malloc22.base|)) (= 0 |main_#t~malloc22.offset|)), 15461#(and (= 8 (select |#length| main_~s~0.base)) (= main_~s~0.offset 0))] [2018-04-12 21:54:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:35,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:35,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:35,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:35,414 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 4 states. [2018-04-12 21:54:35,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:35,509 INFO L93 Difference]: Finished difference Result 388 states and 448 transitions. [2018-04-12 21:54:35,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 21:54:35,509 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-04-12 21:54:35,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:35,510 INFO L225 Difference]: With dead ends: 388 [2018-04-12 21:54:35,510 INFO L226 Difference]: Without dead ends: 388 [2018-04-12 21:54:35,510 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:35,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-04-12 21:54:35,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 382. [2018-04-12 21:54:35,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-04-12 21:54:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 443 transitions. [2018-04-12 21:54:35,513 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 443 transitions. Word has length 51 [2018-04-12 21:54:35,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:35,513 INFO L459 AbstractCegarLoop]: Abstraction has 382 states and 443 transitions. [2018-04-12 21:54:35,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 443 transitions. [2018-04-12 21:54:35,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-12 21:54:35,513 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:35,513 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:35,513 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:35,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1994549109, now seen corresponding path program 1 times [2018-04-12 21:54:35,514 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:35,521 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:35,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:35,682 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:35,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 21:54:35,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:35,682 INFO L182 omatonBuilderFactory]: Interpolants [16234#true, 16235#false, 16236#(= (select |#valid| main_~root~0.base) 1), 16237#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 16238#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~n~0.offset main_~root~0.offset)), 16239#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= main_~n~0.offset main_~root~0.offset)), 16240#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~n~0.offset main_~root~0.offset)), 16241#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 16242#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 16243#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 16244#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 16245#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 16246#(or (= 1 (select |#valid| |main_#t~mem20.base|)) (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 16247#(or (= 1 (select |#valid| main_~succ~0.base)) (and (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 16248#(or (= 1 (select |#valid| main_~succ~0.base)) (and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base))), 16249#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 16250#(= 1 (select |#valid| main_~n~0.base))] [2018-04-12 21:54:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:35,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 21:54:35,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 21:54:35,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2018-04-12 21:54:35,683 INFO L87 Difference]: Start difference. First operand 382 states and 443 transitions. Second operand 17 states. [2018-04-12 21:54:36,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:36,617 INFO L93 Difference]: Finished difference Result 778 states and 924 transitions. [2018-04-12 21:54:36,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-12 21:54:36,617 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 51 [2018-04-12 21:54:36,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:36,618 INFO L225 Difference]: With dead ends: 778 [2018-04-12 21:54:36,618 INFO L226 Difference]: Without dead ends: 778 [2018-04-12 21:54:36,619 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=328, Invalid=1078, Unknown=0, NotChecked=0, Total=1406 [2018-04-12 21:54:36,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-04-12 21:54:36,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 488. [2018-04-12 21:54:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-04-12 21:54:36,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 589 transitions. [2018-04-12 21:54:36,624 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 589 transitions. Word has length 51 [2018-04-12 21:54:36,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:36,624 INFO L459 AbstractCegarLoop]: Abstraction has 488 states and 589 transitions. [2018-04-12 21:54:36,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 21:54:36,624 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 589 transitions. [2018-04-12 21:54:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-12 21:54:36,625 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:36,625 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:36,625 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:36,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1994549110, now seen corresponding path program 1 times [2018-04-12 21:54:36,626 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:36,636 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:36,871 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:36,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 21:54:36,871 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:36,872 INFO L182 omatonBuilderFactory]: Interpolants [17568#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)), 17569#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))), 17570#(and (or (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 17571#(and (= 0 |main_#t~mem20.offset|) (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 8 (select |#length| |main_#t~mem20.base|)))), 17572#(and (= 0 main_~succ~0.offset) (or (and (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 8 (select |#length| main_~succ~0.base)))), 17573#(and (= 0 main_~succ~0.offset) (or (and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base)) (<= 8 (select |#length| main_~succ~0.base)))), 17574#(and (or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (<= 8 (select |#length| main_~n~0.base))) (= main_~n~0.offset 0)), 17575#(and (= main_~n~0.offset 0) (<= 8 (select |#length| main_~n~0.base))), 17559#true, 17560#false, 17561#(= (select |#valid| main_~root~0.base) 1), 17562#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 17563#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~n~0.offset main_~root~0.offset)), 17564#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 17565#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 17566#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 17567#(and (= main_~n~0.base main_~root~0.base) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))] [2018-04-12 21:54:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:36,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 21:54:36,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 21:54:36,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-04-12 21:54:36,872 INFO L87 Difference]: Start difference. First operand 488 states and 589 transitions. Second operand 17 states. [2018-04-12 21:54:38,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:38,011 INFO L93 Difference]: Finished difference Result 833 states and 982 transitions. [2018-04-12 21:54:38,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-12 21:54:38,012 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 51 [2018-04-12 21:54:38,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:38,013 INFO L225 Difference]: With dead ends: 833 [2018-04-12 21:54:38,013 INFO L226 Difference]: Without dead ends: 833 [2018-04-12 21:54:38,013 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=235, Invalid=1025, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 21:54:38,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-04-12 21:54:38,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 494. [2018-04-12 21:54:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2018-04-12 21:54:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 595 transitions. [2018-04-12 21:54:38,018 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 595 transitions. Word has length 51 [2018-04-12 21:54:38,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:38,018 INFO L459 AbstractCegarLoop]: Abstraction has 494 states and 595 transitions. [2018-04-12 21:54:38,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 21:54:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 595 transitions. [2018-04-12 21:54:38,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-12 21:54:38,019 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:38,019 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:38,019 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:38,019 INFO L82 PathProgramCache]: Analyzing trace with hash -73300619, now seen corresponding path program 1 times [2018-04-12 21:54:38,019 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:38,029 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:38,192 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:38,192 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 21:54:38,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:38,192 INFO L182 omatonBuilderFactory]: Interpolants [18944#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 18945#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.base|) (= main_~n~0.offset main_~root~0.offset)), 18946#(or (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)) |main_#t~short4|), 18947#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 18948#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 18949#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 18950#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 18951#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 18952#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 18953#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 18954#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 18955#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 18956#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base)), 18941#true, 18942#false, 18943#(= (select |#valid| main_~root~0.base) 1)] [2018-04-12 21:54:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:38,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 21:54:38,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 21:54:38,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-04-12 21:54:38,193 INFO L87 Difference]: Start difference. First operand 494 states and 595 transitions. Second operand 16 states. [2018-04-12 21:54:38,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:38,798 INFO L93 Difference]: Finished difference Result 626 states and 739 transitions. [2018-04-12 21:54:38,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-12 21:54:38,799 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 51 [2018-04-12 21:54:38,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:38,800 INFO L225 Difference]: With dead ends: 626 [2018-04-12 21:54:38,800 INFO L226 Difference]: Without dead ends: 626 [2018-04-12 21:54:38,800 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=233, Invalid=823, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 21:54:38,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-04-12 21:54:38,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 458. [2018-04-12 21:54:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-04-12 21:54:38,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2018-04-12 21:54:38,804 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 51 [2018-04-12 21:54:38,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:38,805 INFO L459 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2018-04-12 21:54:38,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 21:54:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2018-04-12 21:54:38,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-12 21:54:38,805 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:38,806 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:38,806 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:38,806 INFO L82 PathProgramCache]: Analyzing trace with hash -221665623, now seen corresponding path program 1 times [2018-04-12 21:54:38,806 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:38,820 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:39,013 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:39,013 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 21:54:39,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:39,014 INFO L182 omatonBuilderFactory]: Interpolants [20075#true, 20076#false, 20077#(= 0 |main_#t~malloc0.offset|), 20078#(= main_~root~0.offset 0), 20079#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 20080#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 20081#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 20082#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 20083#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 20084#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0)), 20085#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 20086#(and (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 20087#(= 1 (select |#valid| |main_#t~mem7.base|)), 20088#(= 1 (select |#valid| main_~n~0.base))] [2018-04-12 21:54:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:39,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 21:54:39,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 21:54:39,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-12 21:54:39,015 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 14 states. [2018-04-12 21:54:39,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:39,691 INFO L93 Difference]: Finished difference Result 865 states and 1034 transitions. [2018-04-12 21:54:39,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 21:54:39,692 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 56 [2018-04-12 21:54:39,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:39,693 INFO L225 Difference]: With dead ends: 865 [2018-04-12 21:54:39,693 INFO L226 Difference]: Without dead ends: 865 [2018-04-12 21:54:39,694 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=250, Invalid=562, Unknown=0, NotChecked=0, Total=812 [2018-04-12 21:54:39,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-04-12 21:54:39,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 505. [2018-04-12 21:54:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-04-12 21:54:39,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 614 transitions. [2018-04-12 21:54:39,698 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 614 transitions. Word has length 56 [2018-04-12 21:54:39,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:39,698 INFO L459 AbstractCegarLoop]: Abstraction has 505 states and 614 transitions. [2018-04-12 21:54:39,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 21:54:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 614 transitions. [2018-04-12 21:54:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-12 21:54:39,698 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:39,698 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:39,698 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:39,699 INFO L82 PathProgramCache]: Analyzing trace with hash -221665622, now seen corresponding path program 1 times [2018-04-12 21:54:39,699 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:39,714 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:39,956 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:39,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 21:54:39,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:39,957 INFO L182 omatonBuilderFactory]: Interpolants [21489#true, 21490#false, 21491#(= 0 |main_#t~malloc0.offset|), 21492#(= main_~root~0.offset 0), 21493#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 21494#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 21495#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 21496#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 21497#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 21498#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 21499#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 21500#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0)), 21501#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 21502#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-12 21:54:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:39,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 21:54:39,957 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 21:54:39,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-04-12 21:54:39,957 INFO L87 Difference]: Start difference. First operand 505 states and 614 transitions. Second operand 14 states. [2018-04-12 21:54:40,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:40,639 INFO L93 Difference]: Finished difference Result 915 states and 1095 transitions. [2018-04-12 21:54:40,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 21:54:40,639 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 56 [2018-04-12 21:54:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:40,640 INFO L225 Difference]: With dead ends: 915 [2018-04-12 21:54:40,640 INFO L226 Difference]: Without dead ends: 915 [2018-04-12 21:54:40,641 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2018-04-12 21:54:40,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2018-04-12 21:54:40,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 539. [2018-04-12 21:54:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-04-12 21:54:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 656 transitions. [2018-04-12 21:54:40,645 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 656 transitions. Word has length 56 [2018-04-12 21:54:40,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:40,645 INFO L459 AbstractCegarLoop]: Abstraction has 539 states and 656 transitions. [2018-04-12 21:54:40,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 21:54:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 656 transitions. [2018-04-12 21:54:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-12 21:54:40,646 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:40,646 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:40,646 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:40,646 INFO L82 PathProgramCache]: Analyzing trace with hash -227391261, now seen corresponding path program 1 times [2018-04-12 21:54:40,647 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:40,659 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:40,842 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:40,842 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 21:54:40,842 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:40,842 INFO L182 omatonBuilderFactory]: Interpolants [22987#true, 22988#false, 22989#(= (select |#valid| main_~root~0.base) 1), 22990#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 22991#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 22992#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 22993#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 22994#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 22995#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 22996#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 22997#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 22998#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 22999#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 23000#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 23001#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 23002#(= 1 (select |#valid| |main_#t~mem6.base|)), 23003#(= 1 (select |#valid| main_~n~0.base))] [2018-04-12 21:54:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:40,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 21:54:40,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 21:54:40,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-04-12 21:54:40,843 INFO L87 Difference]: Start difference. First operand 539 states and 656 transitions. Second operand 17 states. [2018-04-12 21:54:41,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:41,642 INFO L93 Difference]: Finished difference Result 1153 states and 1405 transitions. [2018-04-12 21:54:41,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-12 21:54:41,642 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2018-04-12 21:54:41,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:41,644 INFO L225 Difference]: With dead ends: 1153 [2018-04-12 21:54:41,644 INFO L226 Difference]: Without dead ends: 1153 [2018-04-12 21:54:41,644 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=452, Invalid=1108, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 21:54:41,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2018-04-12 21:54:41,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 633. [2018-04-12 21:54:41,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-04-12 21:54:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 787 transitions. [2018-04-12 21:54:41,649 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 787 transitions. Word has length 56 [2018-04-12 21:54:41,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:41,650 INFO L459 AbstractCegarLoop]: Abstraction has 633 states and 787 transitions. [2018-04-12 21:54:41,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 21:54:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 787 transitions. [2018-04-12 21:54:41,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-12 21:54:41,650 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:41,650 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:41,650 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:41,650 INFO L82 PathProgramCache]: Analyzing trace with hash -227391260, now seen corresponding path program 1 times [2018-04-12 21:54:41,651 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:41,660 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:41,854 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:41,854 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 21:54:41,854 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:41,854 INFO L182 omatonBuilderFactory]: Interpolants [24836#true, 24837#false, 24838#(= (select |#valid| main_~root~0.base) 1), 24839#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 24840#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 24841#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 24842#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 24843#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 24844#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 24845#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 24846#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 24847#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 24848#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base))), 24849#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 24850#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 24851#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 24852#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-12 21:54:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:41,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 21:54:41,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 21:54:41,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-04-12 21:54:41,855 INFO L87 Difference]: Start difference. First operand 633 states and 787 transitions. Second operand 17 states. [2018-04-12 21:54:42,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:42,848 INFO L93 Difference]: Finished difference Result 1227 states and 1497 transitions. [2018-04-12 21:54:42,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 21:54:42,849 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 56 [2018-04-12 21:54:42,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:42,851 INFO L225 Difference]: With dead ends: 1227 [2018-04-12 21:54:42,851 INFO L226 Difference]: Without dead ends: 1227 [2018-04-12 21:54:42,851 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1181, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 21:54:42,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2018-04-12 21:54:42,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 647. [2018-04-12 21:54:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2018-04-12 21:54:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 806 transitions. [2018-04-12 21:54:42,857 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 806 transitions. Word has length 56 [2018-04-12 21:54:42,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:42,857 INFO L459 AbstractCegarLoop]: Abstraction has 647 states and 806 transitions. [2018-04-12 21:54:42,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 21:54:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 806 transitions. [2018-04-12 21:54:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 21:54:42,857 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:42,857 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:42,857 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:42,858 INFO L82 PathProgramCache]: Analyzing trace with hash 953719978, now seen corresponding path program 3 times [2018-04-12 21:54:42,858 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:42,866 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 39 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:54:43,016 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:43,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 21:54:43,016 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:43,016 INFO L182 omatonBuilderFactory]: Interpolants [26784#(not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)), 26785#(not (= |main_#t~mem20.base| 0)), 26786#(not (= main_~succ~0.base 0)), 26787#(not (= main_~n~0.base 0)), 26773#true, 26774#false, 26775#(= 0 |main_#t~malloc0.offset|), 26776#(= main_~root~0.offset 0), 26777#(and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| 0))), 26778#(and (= 0 main_~n~0.offset) (not (= main_~pred~0.base 0))), 26779#(and (= 0 main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)) 0))), 26780#(and (= 0 main_~pred~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) 0))), 26781#(and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (= main_~n~0.offset 0) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 26782#(and (= main_~n~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))), 26783#(not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) 0))] [2018-04-12 21:54:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 39 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:54:43,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 21:54:43,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 21:54:43,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-04-12 21:54:43,017 INFO L87 Difference]: Start difference. First operand 647 states and 806 transitions. Second operand 15 states. [2018-04-12 21:54:43,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:43,491 INFO L93 Difference]: Finished difference Result 726 states and 887 transitions. [2018-04-12 21:54:43,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 21:54:43,491 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2018-04-12 21:54:43,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:43,492 INFO L225 Difference]: With dead ends: 726 [2018-04-12 21:54:43,492 INFO L226 Difference]: Without dead ends: 726 [2018-04-12 21:54:43,493 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=971, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 21:54:43,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-04-12 21:54:43,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 637. [2018-04-12 21:54:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2018-04-12 21:54:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 794 transitions. [2018-04-12 21:54:43,511 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 794 transitions. Word has length 57 [2018-04-12 21:54:43,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:43,511 INFO L459 AbstractCegarLoop]: Abstraction has 637 states and 794 transitions. [2018-04-12 21:54:43,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 21:54:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 794 transitions. [2018-04-12 21:54:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 21:54:43,511 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:43,511 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:43,511 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:43,512 INFO L82 PathProgramCache]: Analyzing trace with hash -485378651, now seen corresponding path program 1 times [2018-04-12 21:54:43,512 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:43,516 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:43,532 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:43,565 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:43,565 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:43,565 INFO L182 omatonBuilderFactory]: Interpolants [28192#false, 28193#(= 1 (select |#valid| main_~s~0.base)), 28194#(= 1 (select |#valid| main_~st~0.base)), 28191#true] [2018-04-12 21:54:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:43,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:43,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:43,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:43,566 INFO L87 Difference]: Start difference. First operand 637 states and 794 transitions. Second operand 4 states. [2018-04-12 21:54:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:43,647 INFO L93 Difference]: Finished difference Result 656 states and 814 transitions. [2018-04-12 21:54:43,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:54:43,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2018-04-12 21:54:43,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:43,649 INFO L225 Difference]: With dead ends: 656 [2018-04-12 21:54:43,649 INFO L226 Difference]: Without dead ends: 656 [2018-04-12 21:54:43,649 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:43,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2018-04-12 21:54:43,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 636. [2018-04-12 21:54:43,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2018-04-12 21:54:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 794 transitions. [2018-04-12 21:54:43,658 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 794 transitions. Word has length 57 [2018-04-12 21:54:43,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:43,658 INFO L459 AbstractCegarLoop]: Abstraction has 636 states and 794 transitions. [2018-04-12 21:54:43,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:43,658 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 794 transitions. [2018-04-12 21:54:43,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 21:54:43,659 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:43,659 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:43,659 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:43,659 INFO L82 PathProgramCache]: Analyzing trace with hash -485378650, now seen corresponding path program 1 times [2018-04-12 21:54:43,659 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:43,664 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:43,691 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:43,691 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:54:43,691 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:43,691 INFO L182 omatonBuilderFactory]: Interpolants [29489#true, 29490#false, 29491#(and (= 8 (select |#length| |main_#t~malloc22.base|)) (= 0 |main_#t~malloc22.offset|)), 29492#(and (= 0 main_~s~0.offset) (= 8 (select |#length| main_~s~0.base))), 29493#(and (= main_~st~0.offset 0) (= 8 (select |#length| main_~st~0.base)))] [2018-04-12 21:54:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:43,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:54:43,691 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:54:43,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:43,692 INFO L87 Difference]: Start difference. First operand 636 states and 794 transitions. Second operand 5 states. [2018-04-12 21:54:43,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:43,801 INFO L93 Difference]: Finished difference Result 667 states and 825 transitions. [2018-04-12 21:54:43,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 21:54:43,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2018-04-12 21:54:43,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:43,802 INFO L225 Difference]: With dead ends: 667 [2018-04-12 21:54:43,802 INFO L226 Difference]: Without dead ends: 667 [2018-04-12 21:54:43,802 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:54:43,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-04-12 21:54:43,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 638. [2018-04-12 21:54:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2018-04-12 21:54:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 795 transitions. [2018-04-12 21:54:43,807 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 795 transitions. Word has length 57 [2018-04-12 21:54:43,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:43,808 INFO L459 AbstractCegarLoop]: Abstraction has 638 states and 795 transitions. [2018-04-12 21:54:43,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:54:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 795 transitions. [2018-04-12 21:54:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-12 21:54:43,808 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:43,809 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:43,809 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:43,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2133221539, now seen corresponding path program 1 times [2018-04-12 21:54:43,809 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:43,813 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:43,824 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:43,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:54:43,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:43,825 INFO L182 omatonBuilderFactory]: Interpolants [30805#true, 30806#false, 30807#(not (= |main_#t~malloc22.base| 0)), 30808#(not (= main_~s~0.base 0))] [2018-04-12 21:54:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:43,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:43,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:43,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:43,825 INFO L87 Difference]: Start difference. First operand 638 states and 795 transitions. Second operand 4 states. [2018-04-12 21:54:43,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:43,839 INFO L93 Difference]: Finished difference Result 638 states and 794 transitions. [2018-04-12 21:54:43,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 21:54:43,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2018-04-12 21:54:43,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:43,843 INFO L225 Difference]: With dead ends: 638 [2018-04-12 21:54:43,843 INFO L226 Difference]: Without dead ends: 638 [2018-04-12 21:54:43,843 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:43,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2018-04-12 21:54:43,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2018-04-12 21:54:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2018-04-12 21:54:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 794 transitions. [2018-04-12 21:54:43,848 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 794 transitions. Word has length 58 [2018-04-12 21:54:43,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:43,848 INFO L459 AbstractCegarLoop]: Abstraction has 638 states and 794 transitions. [2018-04-12 21:54:43,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 794 transitions. [2018-04-12 21:54:43,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-12 21:54:43,849 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:43,849 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:43,849 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:43,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1132553751, now seen corresponding path program 1 times [2018-04-12 21:54:43,850 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:43,858 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:44,098 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:44,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 21:54:44,098 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:44,098 INFO L182 omatonBuilderFactory]: Interpolants [32096#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 32097#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 32098#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 32099#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 32100#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 32101#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 32102#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 32103#(or (= 1 (select |#valid| |main_#t~mem20.base|)) (and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 32104#(or (= 1 (select |#valid| main_~succ~0.base)) (and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base))), 32105#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 32106#(= 1 (select |#valid| main_~n~0.base)), 32087#true, 32088#false, 32089#(= (select |#valid| main_~root~0.base) 1), 32090#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 32091#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 32092#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 32093#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 32094#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 32095#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 21:54:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:44,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 21:54:44,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 21:54:44,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-04-12 21:54:44,099 INFO L87 Difference]: Start difference. First operand 638 states and 794 transitions. Second operand 20 states. [2018-04-12 21:54:45,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:45,254 INFO L93 Difference]: Finished difference Result 1185 states and 1442 transitions. [2018-04-12 21:54:45,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 21:54:45,254 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 59 [2018-04-12 21:54:45,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:45,256 INFO L225 Difference]: With dead ends: 1185 [2018-04-12 21:54:45,256 INFO L226 Difference]: Without dead ends: 1185 [2018-04-12 21:54:45,257 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=699, Invalid=2057, Unknown=0, NotChecked=0, Total=2756 [2018-04-12 21:54:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2018-04-12 21:54:45,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 652. [2018-04-12 21:54:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-04-12 21:54:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 810 transitions. [2018-04-12 21:54:45,261 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 810 transitions. Word has length 59 [2018-04-12 21:54:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:45,261 INFO L459 AbstractCegarLoop]: Abstraction has 652 states and 810 transitions. [2018-04-12 21:54:45,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 21:54:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 810 transitions. [2018-04-12 21:54:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-12 21:54:45,262 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:45,262 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:45,262 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:45,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1132553750, now seen corresponding path program 1 times [2018-04-12 21:54:45,262 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:45,270 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:45,561 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:45,561 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 21:54:45,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:45,561 INFO L182 omatonBuilderFactory]: Interpolants [34016#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 34017#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 34018#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 34019#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 34020#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 34021#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 34022#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)), 34023#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)), 34024#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 34025#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 34026#(and (= 0 |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (or (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 34027#(and (= 0 main_~succ~0.offset) (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 34028#(and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 34029#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 34010#true, 34011#false, 34012#(= (select |#valid| main_~root~0.base) 1), 34013#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 34014#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 34015#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 21:54:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:45,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 21:54:45,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 21:54:45,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2018-04-12 21:54:45,562 INFO L87 Difference]: Start difference. First operand 652 states and 810 transitions. Second operand 20 states. [2018-04-12 21:54:47,645 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 54 DAG size of output 43 [2018-04-12 21:54:47,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:47,690 INFO L93 Difference]: Finished difference Result 1237 states and 1497 transitions. [2018-04-12 21:54:47,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-12 21:54:47,690 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 59 [2018-04-12 21:54:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:47,692 INFO L225 Difference]: With dead ends: 1237 [2018-04-12 21:54:47,692 INFO L226 Difference]: Without dead ends: 1237 [2018-04-12 21:54:47,693 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=594, Invalid=2598, Unknown=0, NotChecked=0, Total=3192 [2018-04-12 21:54:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2018-04-12 21:54:47,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 620. [2018-04-12 21:54:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2018-04-12 21:54:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 770 transitions. [2018-04-12 21:54:47,698 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 770 transitions. Word has length 59 [2018-04-12 21:54:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:47,698 INFO L459 AbstractCegarLoop]: Abstraction has 620 states and 770 transitions. [2018-04-12 21:54:47,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 21:54:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 770 transitions. [2018-04-12 21:54:47,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 21:54:47,699 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:47,699 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:47,699 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:47,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1903066394, now seen corresponding path program 1 times [2018-04-12 21:54:47,699 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:47,706 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 21:54:47,764 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:47,764 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:54:47,764 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:47,764 INFO L182 omatonBuilderFactory]: Interpolants [35961#true, 35962#false, 35963#(<= 0 main_~n~0.offset), 35964#(and (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)) (<= 0 main_~n~0.offset)), 35965#(and (<= 0 main_~pred~0.offset) (<= (+ main_~pred~0.offset 8) (select |#length| main_~pred~0.base)))] [2018-04-12 21:54:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 21:54:47,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:54:47,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:54:47,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:47,765 INFO L87 Difference]: Start difference. First operand 620 states and 770 transitions. Second operand 5 states. [2018-04-12 21:54:47,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:47,889 INFO L93 Difference]: Finished difference Result 674 states and 833 transitions. [2018-04-12 21:54:47,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 21:54:47,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2018-04-12 21:54:47,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:47,891 INFO L225 Difference]: With dead ends: 674 [2018-04-12 21:54:47,891 INFO L226 Difference]: Without dead ends: 674 [2018-04-12 21:54:47,891 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-04-12 21:54:47,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-04-12 21:54:47,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 614. [2018-04-12 21:54:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-04-12 21:54:47,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 761 transitions. [2018-04-12 21:54:47,896 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 761 transitions. Word has length 61 [2018-04-12 21:54:47,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:47,896 INFO L459 AbstractCegarLoop]: Abstraction has 614 states and 761 transitions. [2018-04-12 21:54:47,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:54:47,896 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 761 transitions. [2018-04-12 21:54:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 21:54:47,897 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:47,897 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:47,897 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:47,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1903006813, now seen corresponding path program 2 times [2018-04-12 21:54:47,898 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:47,907 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:48,320 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:48,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 21:54:48,321 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:48,321 INFO L182 omatonBuilderFactory]: Interpolants [37259#true, 37260#false, 37261#(= (select |#valid| main_~root~0.base) 1), 37262#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 37263#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 37264#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 37265#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.offset| 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 37266#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 37267#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 37268#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 37269#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 37270#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 37271#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 37272#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base))), 37273#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))), 37274#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 37275#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 37276#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 37277#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base))] [2018-04-12 21:54:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:48,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 21:54:48,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 21:54:48,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-04-12 21:54:48,322 INFO L87 Difference]: Start difference. First operand 614 states and 761 transitions. Second operand 19 states. [2018-04-12 21:54:49,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:49,603 INFO L93 Difference]: Finished difference Result 1100 states and 1323 transitions. [2018-04-12 21:54:49,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 21:54:49,603 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 61 [2018-04-12 21:54:49,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:49,605 INFO L225 Difference]: With dead ends: 1100 [2018-04-12 21:54:49,605 INFO L226 Difference]: Without dead ends: 1100 [2018-04-12 21:54:49,605 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=1909, Unknown=0, NotChecked=0, Total=2256 [2018-04-12 21:54:49,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2018-04-12 21:54:49,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 654. [2018-04-12 21:54:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2018-04-12 21:54:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 809 transitions. [2018-04-12 21:54:49,613 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 809 transitions. Word has length 61 [2018-04-12 21:54:49,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:49,613 INFO L459 AbstractCegarLoop]: Abstraction has 654 states and 809 transitions. [2018-04-12 21:54:49,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 21:54:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 809 transitions. [2018-04-12 21:54:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 21:54:49,614 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:49,614 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:49,615 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:49,615 INFO L82 PathProgramCache]: Analyzing trace with hash 2043180645, now seen corresponding path program 1 times [2018-04-12 21:54:49,615 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:49,628 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:49,833 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:49,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-12 21:54:49,834 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:49,834 INFO L182 omatonBuilderFactory]: Interpolants [39104#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 1 (select |#valid| |main_#t~mem20.base|))), 39105#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 1 (select |#valid| main_~succ~0.base))), 39106#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 1 (select |#valid| main_~n~0.base))), 39107#(= 1 (select |#valid| main_~n~0.base)), 39090#true, 39091#false, 39092#(= (select |#valid| main_~root~0.base) 1), 39093#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset)), 39094#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset)), 39095#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 39096#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 39097#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base))), 39098#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 39099#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 39100#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 39101#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 1 (select |#valid| |main_#t~mem21.base|))), 39102#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 39103#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 1 (select |#valid| |main_~#sentinel~0.base|)))] [2018-04-12 21:54:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:49,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 21:54:49,835 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 21:54:49,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2018-04-12 21:54:49,835 INFO L87 Difference]: Start difference. First operand 654 states and 809 transitions. Second operand 18 states. [2018-04-12 21:54:51,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:51,021 INFO L93 Difference]: Finished difference Result 1138 states and 1376 transitions. [2018-04-12 21:54:51,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-12 21:54:51,021 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 61 [2018-04-12 21:54:51,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:51,023 INFO L225 Difference]: With dead ends: 1138 [2018-04-12 21:54:51,023 INFO L226 Difference]: Without dead ends: 1138 [2018-04-12 21:54:51,024 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=434, Invalid=1822, Unknown=0, NotChecked=0, Total=2256 [2018-04-12 21:54:51,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2018-04-12 21:54:51,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 741. [2018-04-12 21:54:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-04-12 21:54:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 916 transitions. [2018-04-12 21:54:51,029 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 916 transitions. Word has length 61 [2018-04-12 21:54:51,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:51,029 INFO L459 AbstractCegarLoop]: Abstraction has 741 states and 916 transitions. [2018-04-12 21:54:51,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 21:54:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 916 transitions. [2018-04-12 21:54:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 21:54:51,030 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:51,030 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:51,030 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:51,030 INFO L82 PathProgramCache]: Analyzing trace with hash 2043180646, now seen corresponding path program 1 times [2018-04-12 21:54:51,030 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:51,038 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:51,539 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:51,539 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:51,539 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-12 21:54:51,540 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:51,540 INFO L182 omatonBuilderFactory]: Interpolants [41056#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 41057#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 41058#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 41059#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_~#sentinel~0.offset|)), 41060#(and (or (= 8 (select |#length| |main_#t~mem21.base|)) (and (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= main_~n~0.offset 0) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 41061#(and (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 41062#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 41063#(and (= 0 |main_~#sentinel~0.offset|) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 41064#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (or (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)) (= 0 |main_~#sentinel~0.offset|)), 41065#(and (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 41066#(and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| 0)), 41067#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 41047#true, 41048#false, 41049#(= 0 |main_#t~malloc0.offset|), 41050#(= main_~root~0.offset 0), 41051#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 41052#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 41053#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= |main_#t~malloc17.offset| 0)), 41054#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 41055#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))] [2018-04-12 21:54:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:51,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 21:54:51,540 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 21:54:51,540 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2018-04-12 21:54:51,540 INFO L87 Difference]: Start difference. First operand 741 states and 916 transitions. Second operand 21 states. [2018-04-12 21:54:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:53,393 INFO L93 Difference]: Finished difference Result 1170 states and 1411 transitions. [2018-04-12 21:54:53,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 21:54:53,393 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2018-04-12 21:54:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:53,395 INFO L225 Difference]: With dead ends: 1170 [2018-04-12 21:54:53,395 INFO L226 Difference]: Without dead ends: 1170 [2018-04-12 21:54:53,396 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=481, Invalid=2171, Unknown=0, NotChecked=0, Total=2652 [2018-04-12 21:54:53,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2018-04-12 21:54:53,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 738. [2018-04-12 21:54:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2018-04-12 21:54:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 911 transitions. [2018-04-12 21:54:53,401 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 911 transitions. Word has length 61 [2018-04-12 21:54:53,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:53,401 INFO L459 AbstractCegarLoop]: Abstraction has 738 states and 911 transitions. [2018-04-12 21:54:53,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 21:54:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 911 transitions. [2018-04-12 21:54:53,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-12 21:54:53,401 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:53,401 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:53,401 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:53,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1613608716, now seen corresponding path program 1 times [2018-04-12 21:54:53,402 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:53,407 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-04-12 21:54:53,563 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:53,563 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 21:54:53,563 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:53,563 INFO L182 omatonBuilderFactory]: Interpolants [43040#(= 0 |main_#t~malloc0.offset|), 43041#(= main_~root~0.offset 0), 43042#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0)), 43043#(and (= main_~root~0.offset 0) (= main_~pred~0.base main_~root~0.base)), 43044#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 43045#(and (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 43046#(and (= 1 (select (store |#valid| |main_#t~malloc22.base| 0) main_~root~0.base)) (= main_~root~0.offset 0) (= 0 |main_#t~malloc22.offset|)), 43047#(and (= 0 main_~s~0.offset) (= 1 (select (store |#valid| main_~s~0.base 0) main_~root~0.base)) (= main_~root~0.offset 0)), 43048#(and (= 0 main_~s~0.offset) (= 1 (select (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4))))), 43049#(= 1 (select (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 43050#(= 1 (select (store |#valid| main_~st~0.base 0) |main_#t~mem24.base|)), 43051#(= 1 (select (store |#valid| main_~st~0.base 0) main_~n~0.base)), 43052#(= 1 (select |#valid| main_~n~0.base)), 43038#true, 43039#false] [2018-04-12 21:54:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-04-12 21:54:53,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 21:54:53,564 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 21:54:53,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-04-12 21:54:53,564 INFO L87 Difference]: Start difference. First operand 738 states and 911 transitions. Second operand 15 states. [2018-04-12 21:54:54,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:54,286 INFO L93 Difference]: Finished difference Result 879 states and 1064 transitions. [2018-04-12 21:54:54,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 21:54:54,286 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 62 [2018-04-12 21:54:54,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:54,288 INFO L225 Difference]: With dead ends: 879 [2018-04-12 21:54:54,288 INFO L226 Difference]: Without dead ends: 879 [2018-04-12 21:54:54,288 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=371, Invalid=1351, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 21:54:54,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2018-04-12 21:54:54,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 741. [2018-04-12 21:54:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-04-12 21:54:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 915 transitions. [2018-04-12 21:54:54,292 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 915 transitions. Word has length 62 [2018-04-12 21:54:54,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:54,292 INFO L459 AbstractCegarLoop]: Abstraction has 741 states and 915 transitions. [2018-04-12 21:54:54,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 21:54:54,292 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 915 transitions. [2018-04-12 21:54:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-12 21:54:54,293 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:54,293 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:54,293 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:54,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1613608717, now seen corresponding path program 1 times [2018-04-12 21:54:54,294 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:54,304 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-04-12 21:54:54,482 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:54,482 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 21:54:54,482 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:54,483 INFO L182 omatonBuilderFactory]: Interpolants [44736#(and (= main_~s~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))))), 44737#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= main_~st~0.offset 0)), 44738#(and (= 8 (select |#length| |main_#t~mem24.base|)) (= main_~st~0.offset 0) (= 0 |main_#t~mem24.offset|)), 44739#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= main_~st~0.offset 0)), 44740#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 44727#true, 44728#false, 44729#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 44730#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 44731#(and (or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (= 8 (select |#length| main_~root~0.base))) (= main_~root~0.offset 0)), 44732#(and (or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)))) (= main_~root~0.offset 0)), 44733#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0)), 44734#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 |main_#t~malloc22.offset|)), 44735#(and (= main_~s~0.offset 0) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)))] [2018-04-12 21:54:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-04-12 21:54:54,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 21:54:54,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 21:54:54,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-12 21:54:54,483 INFO L87 Difference]: Start difference. First operand 741 states and 915 transitions. Second operand 14 states. [2018-04-12 21:54:54,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:54,950 INFO L93 Difference]: Finished difference Result 828 states and 1010 transitions. [2018-04-12 21:54:54,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 21:54:54,950 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 62 [2018-04-12 21:54:54,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:54,951 INFO L225 Difference]: With dead ends: 828 [2018-04-12 21:54:54,952 INFO L226 Difference]: Without dead ends: 828 [2018-04-12 21:54:54,952 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2018-04-12 21:54:54,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-04-12 21:54:54,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 757. [2018-04-12 21:54:54,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2018-04-12 21:54:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 938 transitions. [2018-04-12 21:54:54,957 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 938 transitions. Word has length 62 [2018-04-12 21:54:54,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:54,957 INFO L459 AbstractCegarLoop]: Abstraction has 757 states and 938 transitions. [2018-04-12 21:54:54,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 21:54:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 938 transitions. [2018-04-12 21:54:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-12 21:54:54,958 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:54,958 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:54,958 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:54,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1134482925, now seen corresponding path program 1 times [2018-04-12 21:54:54,959 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:54,966 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 21:54:55,005 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:55,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:54:55,005 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:55,006 INFO L182 omatonBuilderFactory]: Interpolants [46352#true, 46353#false, 46354#(or (not (= |main_~#sentinel~0.offset| main_~n~0.offset)) (not (= |main_~#sentinel~0.base| main_~n~0.base))), 46355#(or (not (= |main_~#sentinel~0.base| main_~pred~0.base)) (not (= |main_~#sentinel~0.offset| main_~pred~0.offset)))] [2018-04-12 21:54:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 21:54:55,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:55,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:55,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:55,006 INFO L87 Difference]: Start difference. First operand 757 states and 938 transitions. Second operand 4 states. [2018-04-12 21:54:55,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:55,058 INFO L93 Difference]: Finished difference Result 764 states and 944 transitions. [2018-04-12 21:54:55,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:54:55,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-04-12 21:54:55,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:55,059 INFO L225 Difference]: With dead ends: 764 [2018-04-12 21:54:55,059 INFO L226 Difference]: Without dead ends: 764 [2018-04-12 21:54:55,060 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:55,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2018-04-12 21:54:55,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 757. [2018-04-12 21:54:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2018-04-12 21:54:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 937 transitions. [2018-04-12 21:54:55,064 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 937 transitions. Word has length 62 [2018-04-12 21:54:55,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:55,064 INFO L459 AbstractCegarLoop]: Abstraction has 757 states and 937 transitions. [2018-04-12 21:54:55,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:55,064 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 937 transitions. [2018-04-12 21:54:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 21:54:55,065 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:55,065 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:55,065 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:55,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1787151538, now seen corresponding path program 1 times [2018-04-12 21:54:55,065 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:55,073 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:55,088 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:55,088 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:55,088 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:55,088 INFO L182 omatonBuilderFactory]: Interpolants [47880#true, 47881#false, 47882#(= 1 (select |#valid| |main_#t~malloc26.base|)), 47883#(= 1 (select |#valid| main_~st~0.base))] [2018-04-12 21:54:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:55,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:55,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:55,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:55,089 INFO L87 Difference]: Start difference. First operand 757 states and 937 transitions. Second operand 4 states. [2018-04-12 21:54:55,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:55,164 INFO L93 Difference]: Finished difference Result 787 states and 971 transitions. [2018-04-12 21:54:55,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:54:55,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-04-12 21:54:55,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:55,166 INFO L225 Difference]: With dead ends: 787 [2018-04-12 21:54:55,166 INFO L226 Difference]: Without dead ends: 787 [2018-04-12 21:54:55,166 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:55,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2018-04-12 21:54:55,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 756. [2018-04-12 21:54:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2018-04-12 21:54:55,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 935 transitions. [2018-04-12 21:54:55,170 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 935 transitions. Word has length 66 [2018-04-12 21:54:55,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:55,171 INFO L459 AbstractCegarLoop]: Abstraction has 756 states and 935 transitions. [2018-04-12 21:54:55,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 935 transitions. [2018-04-12 21:54:55,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 21:54:55,171 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:55,171 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:55,171 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:55,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1787151537, now seen corresponding path program 1 times [2018-04-12 21:54:55,172 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:55,179 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:55,201 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:55,201 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:55,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:55,201 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:55,202 INFO L182 omatonBuilderFactory]: Interpolants [49429#true, 49430#false, 49431#(and (= 8 (select |#length| |main_#t~malloc26.base|)) (= 0 |main_#t~malloc26.offset|)), 49432#(and (= main_~st~0.offset 0) (= 8 (select |#length| main_~st~0.base)))] [2018-04-12 21:54:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:55,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:55,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:55,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:55,202 INFO L87 Difference]: Start difference. First operand 756 states and 935 transitions. Second operand 4 states. [2018-04-12 21:54:55,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:55,294 INFO L93 Difference]: Finished difference Result 821 states and 1005 transitions. [2018-04-12 21:54:55,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 21:54:55,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-04-12 21:54:55,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:55,295 INFO L225 Difference]: With dead ends: 821 [2018-04-12 21:54:55,295 INFO L226 Difference]: Without dead ends: 821 [2018-04-12 21:54:55,296 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:55,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2018-04-12 21:54:55,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 754. [2018-04-12 21:54:55,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2018-04-12 21:54:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 931 transitions. [2018-04-12 21:54:55,300 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 931 transitions. Word has length 66 [2018-04-12 21:54:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:55,301 INFO L459 AbstractCegarLoop]: Abstraction has 754 states and 931 transitions. [2018-04-12 21:54:55,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 931 transitions. [2018-04-12 21:54:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 21:54:55,301 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:55,301 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:55,301 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:55,301 INFO L82 PathProgramCache]: Analyzing trace with hash 619168061, now seen corresponding path program 2 times [2018-04-12 21:54:55,302 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:55,310 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:55,689 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:55,689 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 21:54:55,689 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:55,690 INFO L182 omatonBuilderFactory]: Interpolants [51011#true, 51012#false, 51013#(= 0 |main_#t~malloc0.offset|), 51014#(= main_~root~0.offset 0), 51015#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 51016#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 51017#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 51018#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 51019#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~mem18.offset| 0) (= main_~root~0.offset 0)), 51020#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 51021#(and (not (= (+ |main_#t~mem19.offset| 4) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) (= main_~root~0.offset 0)), 51022#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 51023#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))), 51024#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= |main_#t~mem3.offset| 0) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem3.offset|)), 51025#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 51026#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))), 51027#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 51028#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 51029#(not |main_#t~short4|)] [2018-04-12 21:54:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:55,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 21:54:55,690 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 21:54:55,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-04-12 21:54:55,691 INFO L87 Difference]: Start difference. First operand 754 states and 931 transitions. Second operand 19 states. [2018-04-12 21:54:56,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:56,718 INFO L93 Difference]: Finished difference Result 1147 states and 1392 transitions. [2018-04-12 21:54:56,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 21:54:56,718 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 66 [2018-04-12 21:54:56,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:56,720 INFO L225 Difference]: With dead ends: 1147 [2018-04-12 21:54:56,720 INFO L226 Difference]: Without dead ends: 1147 [2018-04-12 21:54:56,721 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=435, Invalid=1635, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 21:54:56,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2018-04-12 21:54:56,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 755. [2018-04-12 21:54:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-04-12 21:54:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 930 transitions. [2018-04-12 21:54:56,729 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 930 transitions. Word has length 66 [2018-04-12 21:54:56,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:56,729 INFO L459 AbstractCegarLoop]: Abstraction has 755 states and 930 transitions. [2018-04-12 21:54:56,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 21:54:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 930 transitions. [2018-04-12 21:54:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 21:54:56,730 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:56,730 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:56,730 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:56,730 INFO L82 PathProgramCache]: Analyzing trace with hash 662594295, now seen corresponding path program 1 times [2018-04-12 21:54:56,731 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:56,739 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:57,073 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:57,074 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-12 21:54:57,074 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:57,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:57,074 INFO L182 omatonBuilderFactory]: Interpolants [52992#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= |main_#t~mem12.offset| 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 52993#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 52994#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 52995#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 52996#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 52997#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 52998#(and (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 52999#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 53000#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 53001#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 53002#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))), 53003#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 53004#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 53005#(not |main_#t~short4|), 52986#true, 52987#false, 52988#(= (select |#valid| main_~root~0.base) 1), 52989#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 52990#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 52991#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 21:54:57,074 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:57,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 21:54:57,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 21:54:57,075 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-04-12 21:54:57,075 INFO L87 Difference]: Start difference. First operand 755 states and 930 transitions. Second operand 20 states. [2018-04-12 21:54:58,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:58,435 INFO L93 Difference]: Finished difference Result 1241 states and 1514 transitions. [2018-04-12 21:54:58,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 21:54:58,435 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2018-04-12 21:54:58,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:58,437 INFO L225 Difference]: With dead ends: 1241 [2018-04-12 21:54:58,437 INFO L226 Difference]: Without dead ends: 1241 [2018-04-12 21:54:58,437 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=401, Invalid=1669, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 21:54:58,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2018-04-12 21:54:58,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 868. [2018-04-12 21:54:58,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2018-04-12 21:54:58,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1079 transitions. [2018-04-12 21:54:58,445 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1079 transitions. Word has length 66 [2018-04-12 21:54:58,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:58,445 INFO L459 AbstractCegarLoop]: Abstraction has 868 states and 1079 transitions. [2018-04-12 21:54:58,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 21:54:58,445 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1079 transitions. [2018-04-12 21:54:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-12 21:54:58,446 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:58,446 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:58,446 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:58,446 INFO L82 PathProgramCache]: Analyzing trace with hash 949542256, now seen corresponding path program 1 times [2018-04-12 21:54:58,447 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:58,452 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:58,478 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:58,478 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:58,478 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:58,479 INFO L182 omatonBuilderFactory]: Interpolants [55168#false, 55169#(= 1 (select |#valid| |main_#t~malloc29.base|)), 55170#(= 1 (select |#valid| main_~st~0.base)), 55167#true] [2018-04-12 21:54:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:58,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:58,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:58,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:58,479 INFO L87 Difference]: Start difference. First operand 868 states and 1079 transitions. Second operand 4 states. [2018-04-12 21:54:58,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:58,534 INFO L93 Difference]: Finished difference Result 886 states and 1098 transitions. [2018-04-12 21:54:58,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:54:58,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-04-12 21:54:58,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:58,535 INFO L225 Difference]: With dead ends: 886 [2018-04-12 21:54:58,535 INFO L226 Difference]: Without dead ends: 886 [2018-04-12 21:54:58,535 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:58,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2018-04-12 21:54:58,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 867. [2018-04-12 21:54:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2018-04-12 21:54:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1077 transitions. [2018-04-12 21:54:58,540 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1077 transitions. Word has length 68 [2018-04-12 21:54:58,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:58,540 INFO L459 AbstractCegarLoop]: Abstraction has 867 states and 1077 transitions. [2018-04-12 21:54:58,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:58,540 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1077 transitions. [2018-04-12 21:54:58,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-12 21:54:58,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:58,540 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:58,540 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:58,540 INFO L82 PathProgramCache]: Analyzing trace with hash 949542257, now seen corresponding path program 1 times [2018-04-12 21:54:58,541 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:58,545 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:58,570 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:54:58,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 21:54:58,570 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:58,570 INFO L182 omatonBuilderFactory]: Interpolants [56928#(and (= 8 (select |#length| |main_#t~malloc29.base|)) (= 0 |main_#t~malloc29.offset|)), 56929#(and (= main_~st~0.offset 0) (= 8 (select |#length| main_~st~0.base))), 56926#true, 56927#false] [2018-04-12 21:54:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:54:58,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 21:54:58,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 21:54:58,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 21:54:58,571 INFO L87 Difference]: Start difference. First operand 867 states and 1077 transitions. Second operand 4 states. [2018-04-12 21:54:58,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:54:58,663 INFO L93 Difference]: Finished difference Result 915 states and 1125 transitions. [2018-04-12 21:54:58,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 21:54:58,663 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-04-12 21:54:58,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:54:58,665 INFO L225 Difference]: With dead ends: 915 [2018-04-12 21:54:58,665 INFO L226 Difference]: Without dead ends: 915 [2018-04-12 21:54:58,665 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:54:58,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2018-04-12 21:54:58,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 865. [2018-04-12 21:54:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2018-04-12 21:54:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1073 transitions. [2018-04-12 21:54:58,669 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1073 transitions. Word has length 68 [2018-04-12 21:54:58,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:54:58,669 INFO L459 AbstractCegarLoop]: Abstraction has 865 states and 1073 transitions. [2018-04-12 21:54:58,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 21:54:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1073 transitions. [2018-04-12 21:54:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-12 21:54:58,670 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:54:58,670 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:54:58,670 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:54:58,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1548149481, now seen corresponding path program 2 times [2018-04-12 21:54:58,670 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:54:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:54:58,680 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:54:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:59,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:54:59,209 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-12 21:54:59,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:54:59,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:59,210 INFO L182 omatonBuilderFactory]: Interpolants [58713#true, 58714#false, 58715#(= 0 |main_#t~malloc0.offset|), 58716#(= 0 main_~root~0.offset), 58717#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 58718#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 58719#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 58720#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 58721#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 58722#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 58723#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= 0 (+ |main_#t~mem13.offset| 4))) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (not (= main_~root~0.base |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 58724#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 58725#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 58726#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 58727#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 58728#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 58729#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 58730#(and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))), 58731#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)) (not (= main_~n~0.base main_~succ~0.base))), 58732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))), 58733#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 58734#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 58735#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 58736#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 58737#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base))] [2018-04-12 21:54:59,210 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:54:59,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-12 21:54:59,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-12 21:54:59,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2018-04-12 21:54:59,211 INFO L87 Difference]: Start difference. First operand 865 states and 1073 transitions. Second operand 25 states. [2018-04-12 21:55:00,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:00,947 INFO L93 Difference]: Finished difference Result 1249 states and 1514 transitions. [2018-04-12 21:55:00,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 21:55:00,947 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 69 [2018-04-12 21:55:00,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:00,948 INFO L225 Difference]: With dead ends: 1249 [2018-04-12 21:55:00,948 INFO L226 Difference]: Without dead ends: 1249 [2018-04-12 21:55:00,948 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=669, Invalid=2991, Unknown=0, NotChecked=0, Total=3660 [2018-04-12 21:55:00,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-04-12 21:55:00,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 895. [2018-04-12 21:55:00,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2018-04-12 21:55:00,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1110 transitions. [2018-04-12 21:55:00,955 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1110 transitions. Word has length 69 [2018-04-12 21:55:00,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:00,956 INFO L459 AbstractCegarLoop]: Abstraction has 895 states and 1110 transitions. [2018-04-12 21:55:00,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-12 21:55:00,956 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1110 transitions. [2018-04-12 21:55:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-12 21:55:00,956 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:00,956 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:00,957 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:00,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1173318479, now seen corresponding path program 1 times [2018-04-12 21:55:00,957 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:00,962 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:01,001 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:01,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-12 21:55:01,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:01,002 INFO L182 omatonBuilderFactory]: Interpolants [60954#true, 60955#false, 60956#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))), 60957#(and (= 0 |main_#t~mem23.offset|) (= 0 |main_#t~mem23.base|)), 60958#(and (= 0 main_~s~0.base) (= main_~s~0.offset 0))] [2018-04-12 21:55:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:01,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:55:01,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:55:01,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:55:01,002 INFO L87 Difference]: Start difference. First operand 895 states and 1110 transitions. Second operand 5 states. [2018-04-12 21:55:01,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:01,053 INFO L93 Difference]: Finished difference Result 908 states and 1124 transitions. [2018-04-12 21:55:01,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:55:01,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-04-12 21:55:01,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:01,054 INFO L225 Difference]: With dead ends: 908 [2018-04-12 21:55:01,054 INFO L226 Difference]: Without dead ends: 908 [2018-04-12 21:55:01,055 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 21:55:01,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2018-04-12 21:55:01,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 902. [2018-04-12 21:55:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-04-12 21:55:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1118 transitions. [2018-04-12 21:55:01,059 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1118 transitions. Word has length 71 [2018-04-12 21:55:01,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:01,059 INFO L459 AbstractCegarLoop]: Abstraction has 902 states and 1118 transitions. [2018-04-12 21:55:01,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:55:01,059 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1118 transitions. [2018-04-12 21:55:01,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-12 21:55:01,060 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:01,060 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:01,060 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:01,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1516894995, now seen corresponding path program 1 times [2018-04-12 21:55:01,060 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:01,068 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:01,547 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:01,547 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-12 21:55:01,548 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:01,548 INFO L182 omatonBuilderFactory]: Interpolants [62784#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 |main_#t~mem20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4)))), 62785#(and (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base))), 62786#(and (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4)))), 62787#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0)), 62788#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 62789#(and (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 62790#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 62791#(and (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 62792#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 62793#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 62794#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base)), 62771#true, 62772#false, 62773#(= 0 |main_#t~malloc0.offset|), 62774#(= main_~root~0.offset 0), 62775#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 62776#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 62777#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 62778#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 62779#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 62780#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= |main_#t~mem13.offset| 0) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 62781#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 62782#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 62783#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))] [2018-04-12 21:55:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:01,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 21:55:01,548 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 21:55:01,548 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2018-04-12 21:55:01,548 INFO L87 Difference]: Start difference. First operand 902 states and 1118 transitions. Second operand 24 states. [2018-04-12 21:55:02,197 WARN L148 SmtUtils]: Spent 125ms on a formula simplification that was a NOOP. DAG size: 49 [2018-04-12 21:55:03,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:03,227 INFO L93 Difference]: Finished difference Result 1218 states and 1474 transitions. [2018-04-12 21:55:03,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-12 21:55:03,227 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 71 [2018-04-12 21:55:03,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:03,228 INFO L225 Difference]: With dead ends: 1218 [2018-04-12 21:55:03,228 INFO L226 Difference]: Without dead ends: 1218 [2018-04-12 21:55:03,229 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=517, Invalid=2905, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 21:55:03,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2018-04-12 21:55:03,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 914. [2018-04-12 21:55:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2018-04-12 21:55:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1131 transitions. [2018-04-12 21:55:03,234 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1131 transitions. Word has length 71 [2018-04-12 21:55:03,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:03,234 INFO L459 AbstractCegarLoop]: Abstraction has 914 states and 1131 transitions. [2018-04-12 21:55:03,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 21:55:03,234 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1131 transitions. [2018-04-12 21:55:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-12 21:55:03,234 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:03,234 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:03,234 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:03,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1037660525, now seen corresponding path program 2 times [2018-04-12 21:55:03,235 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:03,242 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:03,648 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:03,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-12 21:55:03,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:03,648 INFO L182 omatonBuilderFactory]: Interpolants [64997#true, 64998#false, 64999#(= 0 |main_#t~malloc0.offset|), 65000#(= main_~root~0.offset 0), 65001#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 65002#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 65003#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 65004#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 65005#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= |main_#t~mem18.offset| 0) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 65006#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 65007#(and (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) (= main_~root~0.offset 0)), 65008#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 65009#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 65010#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) 0)) (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) 0)) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem21.base|))), 65011#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 65012#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)) (not (= main_~pred~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)))), 65013#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 65014#(and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))), 65015#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)) (not (= main_~n~0.base main_~succ~0.base))), 65016#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))), 65017#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 65018#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 65019#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 65020#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 65021#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base))] [2018-04-12 21:55:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:03,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-12 21:55:03,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-12 21:55:03,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2018-04-12 21:55:03,649 INFO L87 Difference]: Start difference. First operand 914 states and 1131 transitions. Second operand 25 states. [2018-04-12 21:55:05,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:05,478 INFO L93 Difference]: Finished difference Result 1316 states and 1600 transitions. [2018-04-12 21:55:05,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-12 21:55:05,478 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2018-04-12 21:55:05,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:05,480 INFO L225 Difference]: With dead ends: 1316 [2018-04-12 21:55:05,480 INFO L226 Difference]: Without dead ends: 1316 [2018-04-12 21:55:05,480 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=567, Invalid=3215, Unknown=0, NotChecked=0, Total=3782 [2018-04-12 21:55:05,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2018-04-12 21:55:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 914. [2018-04-12 21:55:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2018-04-12 21:55:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1131 transitions. [2018-04-12 21:55:05,489 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1131 transitions. Word has length 71 [2018-04-12 21:55:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:05,490 INFO L459 AbstractCegarLoop]: Abstraction has 914 states and 1131 transitions. [2018-04-12 21:55:05,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-12 21:55:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1131 transitions. [2018-04-12 21:55:05,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-12 21:55:05,491 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:05,491 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:05,491 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:05,491 INFO L82 PathProgramCache]: Analyzing trace with hash 511762084, now seen corresponding path program 1 times [2018-04-12 21:55:05,491 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:05,506 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:05,800 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:05,800 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-12 21:55:05,800 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:05,800 INFO L182 omatonBuilderFactory]: Interpolants [67329#(= 0 main_~root~0.offset), 67328#(= 0 |main_#t~malloc0.offset|), 67331#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset)), 67330#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 67333#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 67332#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset)), 67335#(and (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)), 67334#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 67337#(and (not (= main_~n~0.offset (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 67336#(and (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1)), 67339#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 67338#(and (not (= main_~n~0.offset (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 67341#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 67340#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 67343#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 67342#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 67345#(= 1 (select |#valid| |main_#t~mem7.base|)), 67344#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 67346#(= 1 (select |#valid| main_~n~0.base)), 67327#false, 67326#true] [2018-04-12 21:55:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:05,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 21:55:05,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 21:55:05,800 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-04-12 21:55:05,801 INFO L87 Difference]: Start difference. First operand 914 states and 1131 transitions. Second operand 21 states. [2018-04-12 21:55:06,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:06,979 INFO L93 Difference]: Finished difference Result 1628 states and 2001 transitions. [2018-04-12 21:55:06,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-12 21:55:06,979 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 72 [2018-04-12 21:55:06,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:06,981 INFO L225 Difference]: With dead ends: 1628 [2018-04-12 21:55:06,981 INFO L226 Difference]: Without dead ends: 1628 [2018-04-12 21:55:06,982 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=696, Invalid=1656, Unknown=0, NotChecked=0, Total=2352 [2018-04-12 21:55:06,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2018-04-12 21:55:06,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1020. [2018-04-12 21:55:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1020 states. [2018-04-12 21:55:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1276 transitions. [2018-04-12 21:55:06,993 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1276 transitions. Word has length 72 [2018-04-12 21:55:06,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:06,993 INFO L459 AbstractCegarLoop]: Abstraction has 1020 states and 1276 transitions. [2018-04-12 21:55:06,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 21:55:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1276 transitions. [2018-04-12 21:55:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-12 21:55:06,994 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:06,994 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:06,994 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:06,994 INFO L82 PathProgramCache]: Analyzing trace with hash 511762085, now seen corresponding path program 1 times [2018-04-12 21:55:06,995 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:07,011 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:07,502 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:07,502 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-12 21:55:07,502 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:07,503 INFO L182 omatonBuilderFactory]: Interpolants [70051#true, 70053#(= 0 |main_#t~malloc0.offset|), 70052#false, 70055#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 70054#(= main_~root~0.offset 0), 70057#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 70056#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 70059#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (not |main_#t~short16|) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset))) (= main_~root~0.offset 0)), 70058#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem14.offset|)), 70061#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 70060#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 70063#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 70062#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 70065#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 70064#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 70067#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0)), 70066#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0)), 70069#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.offset (+ |main_#t~mem13.offset| 4)))), 70068#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 70071#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 70070#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 70073#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 70072#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 70074#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-12 21:55:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:07,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 21:55:07,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 21:55:07,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2018-04-12 21:55:07,503 INFO L87 Difference]: Start difference. First operand 1020 states and 1276 transitions. Second operand 24 states. [2018-04-12 21:55:09,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:09,133 INFO L93 Difference]: Finished difference Result 2467 states and 3090 transitions. [2018-04-12 21:55:09,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-12 21:55:09,134 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 72 [2018-04-12 21:55:09,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:09,137 INFO L225 Difference]: With dead ends: 2467 [2018-04-12 21:55:09,137 INFO L226 Difference]: Without dead ends: 2467 [2018-04-12 21:55:09,137 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=850, Invalid=2456, Unknown=0, NotChecked=0, Total=3306 [2018-04-12 21:55:09,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2018-04-12 21:55:09,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 1705. [2018-04-12 21:55:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2018-04-12 21:55:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2198 transitions. [2018-04-12 21:55:09,155 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2198 transitions. Word has length 72 [2018-04-12 21:55:09,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:09,155 INFO L459 AbstractCegarLoop]: Abstraction has 1705 states and 2198 transitions. [2018-04-12 21:55:09,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 21:55:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2198 transitions. [2018-04-12 21:55:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-12 21:55:09,156 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:09,156 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:09,156 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:09,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1887212248, now seen corresponding path program 1 times [2018-04-12 21:55:09,157 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:09,166 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-04-12 21:55:09,594 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:09,594 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 21:55:09,594 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:09,594 INFO L182 omatonBuilderFactory]: Interpolants [74315#true, 74317#(= |#valid| |old(#valid)|), 74316#false, 74319#(and (= (store |#valid| main_~root~0.base 0) |old(#valid)|) (= main_~root~0.offset 0)), 74318#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (= |main_#t~malloc0.offset| 0)), 74321#(and (or (and (= |old(#valid)| (store (store |#valid| main_~root~0.base 0) |main_~#sentinel~0.base| 0)) (= main_~n~0.base main_~root~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= main_~root~0.offset 0)), 74320#(and (= |main_~#sentinel~0.offset| main_~root~0.offset) (or (= |old(#valid)| (store (store |#valid| main_~root~0.base 0) |main_~#sentinel~0.base| 0)) (= |main_~#sentinel~0.base| main_~root~0.base)) (= main_~root~0.offset 0)), 74323#(and (not (= |main_~#sentinel~0.base| main_~root~0.base)) (= main_~root~0.offset 0) (= |old(#valid)| (store (store (store |#valid| |main_#t~malloc22.base| 0) main_~root~0.base 0) |main_~#sentinel~0.base| 0)) (= 0 |main_#t~malloc22.offset|)), 74322#(and (= |old(#valid)| (store (store |#valid| main_~root~0.base 0) |main_~#sentinel~0.base| 0)) (not (= |main_~#sentinel~0.base| main_~root~0.base)) (= main_~root~0.offset 0)), 74325#(and (= (store (store (store |#valid| main_~s~0.base 0) (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) 0) |main_~#sentinel~0.base| 0) |old(#valid)|) (= main_~s~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))))), 74324#(and (= 0 main_~s~0.offset) (= (store (store (store |#valid| main_~s~0.base 0) main_~root~0.base 0) |main_~#sentinel~0.base| 0) |old(#valid)|) (not (= |main_~#sentinel~0.base| main_~root~0.base)) (= main_~root~0.offset 0)), 74327#(and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))) (= |old(#valid)| (store (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) 0) |main_~#sentinel~0.base| 0))), 74326#(and (= |old(#valid)| (store (store (store |#valid| main_~st~0.base 0) (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4)) 0) |main_~#sentinel~0.base| 0)) (= main_~s~0.offset main_~st~0.offset) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))))), 74329#(and (= (store (store (store |#valid| main_~st~0.base 0) main_~n~0.base 0) |main_~#sentinel~0.base| 0) |old(#valid)|) (not (= main_~n~0.base |main_~#sentinel~0.base|))), 74328#(and (not (= |main_~#sentinel~0.base| |main_#t~mem24.base|)) (= (store (store (store |#valid| main_~st~0.base 0) |main_#t~mem24.base| 0) |main_~#sentinel~0.base| 0) |old(#valid)|)), 74331#(= |old(#valid)| (store |#valid| |main_~#sentinel~0.base| 0)), 74330#(and (= (store (store |#valid| main_~n~0.base 0) |main_~#sentinel~0.base| 0) |old(#valid)|) (not (= |main_~#sentinel~0.base| main_~n~0.base)))] [2018-04-12 21:55:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-04-12 21:55:09,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 21:55:09,595 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 21:55:09,595 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2018-04-12 21:55:09,595 INFO L87 Difference]: Start difference. First operand 1705 states and 2198 transitions. Second operand 17 states. [2018-04-12 21:55:10,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:10,809 INFO L93 Difference]: Finished difference Result 1787 states and 2286 transitions. [2018-04-12 21:55:10,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 21:55:10,809 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 74 [2018-04-12 21:55:10,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:10,811 INFO L225 Difference]: With dead ends: 1787 [2018-04-12 21:55:10,811 INFO L226 Difference]: Without dead ends: 1778 [2018-04-12 21:55:10,812 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2018-04-12 21:55:10,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2018-04-12 21:55:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1774. [2018-04-12 21:55:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1774 states. [2018-04-12 21:55:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2273 transitions. [2018-04-12 21:55:10,827 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2273 transitions. Word has length 74 [2018-04-12 21:55:10,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:10,828 INFO L459 AbstractCegarLoop]: Abstraction has 1774 states and 2273 transitions. [2018-04-12 21:55:10,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 21:55:10,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2273 transitions. [2018-04-12 21:55:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-12 21:55:10,829 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:10,829 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:10,829 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:10,829 INFO L82 PathProgramCache]: Analyzing trace with hash -715336152, now seen corresponding path program 1 times [2018-04-12 21:55:10,830 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:10,841 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:10,888 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:55:10,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 21:55:10,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:10,889 INFO L182 omatonBuilderFactory]: Interpolants [77923#true, 77925#(= 1 (select |#valid| main_~n~0.base)), 77924#false, 77927#(not (= main_~n~0.base main_~st~0.base)), 77926#(not (= main_~n~0.base |main_#t~malloc29.base|)), 77929#(and (= 1 (select |#valid| main_~s~0.base)) (not (= main_~n~0.base main_~s~0.base))), 77928#(and (not (= main_~n~0.base main_~st~0.base)) (= (select |#valid| main_~st~0.base) 1)), 77930#(= 1 (select |#valid| main_~s~0.base))] [2018-04-12 21:55:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:10,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 21:55:10,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 21:55:10,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:55:10,889 INFO L87 Difference]: Start difference. First operand 1774 states and 2273 transitions. Second operand 8 states. [2018-04-12 21:55:11,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:11,116 INFO L93 Difference]: Finished difference Result 1797 states and 2297 transitions. [2018-04-12 21:55:11,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 21:55:11,116 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2018-04-12 21:55:11,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:11,118 INFO L225 Difference]: With dead ends: 1797 [2018-04-12 21:55:11,118 INFO L226 Difference]: Without dead ends: 1797 [2018-04-12 21:55:11,118 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2018-04-12 21:55:11,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2018-04-12 21:55:11,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1783. [2018-04-12 21:55:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2018-04-12 21:55:11,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2286 transitions. [2018-04-12 21:55:11,130 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2286 transitions. Word has length 77 [2018-04-12 21:55:11,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:11,130 INFO L459 AbstractCegarLoop]: Abstraction has 1783 states and 2286 transitions. [2018-04-12 21:55:11,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 21:55:11,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2286 transitions. [2018-04-12 21:55:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-12 21:55:11,131 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:11,131 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:11,131 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:11,131 INFO L82 PathProgramCache]: Analyzing trace with hash -715336151, now seen corresponding path program 1 times [2018-04-12 21:55:11,132 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:11,141 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:11,191 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:55:11,192 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:55:11,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:11,192 INFO L182 omatonBuilderFactory]: Interpolants [81527#true, 81529#(and (= 8 (select |#length| |main_#t~malloc29.base|)) (= 0 |main_#t~malloc29.offset|)), 81528#false, 81531#(and (= 8 (select |#length| main_~s~0.base)) (= main_~s~0.offset 0)), 81530#(and (= 0 main_~st~0.offset) (= 8 (select |#length| main_~st~0.base)))] [2018-04-12 21:55:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:11,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:55:11,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:55:11,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:55:11,193 INFO L87 Difference]: Start difference. First operand 1783 states and 2286 transitions. Second operand 5 states. [2018-04-12 21:55:11,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:11,380 INFO L93 Difference]: Finished difference Result 1853 states and 2356 transitions. [2018-04-12 21:55:11,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:55:11,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-04-12 21:55:11,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:11,383 INFO L225 Difference]: With dead ends: 1853 [2018-04-12 21:55:11,383 INFO L226 Difference]: Without dead ends: 1853 [2018-04-12 21:55:11,383 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-12 21:55:11,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2018-04-12 21:55:11,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1785. [2018-04-12 21:55:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1785 states. [2018-04-12 21:55:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2286 transitions. [2018-04-12 21:55:11,399 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2286 transitions. Word has length 77 [2018-04-12 21:55:11,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:11,399 INFO L459 AbstractCegarLoop]: Abstraction has 1785 states and 2286 transitions. [2018-04-12 21:55:11,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:55:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2286 transitions. [2018-04-12 21:55:11,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-12 21:55:11,400 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:11,401 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:11,401 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:11,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1097954888, now seen corresponding path program 1 times [2018-04-12 21:55:11,401 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:11,411 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:11,458 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:55:11,458 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 21:55:11,458 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:11,458 INFO L182 omatonBuilderFactory]: Interpolants [85177#false, 85176#true, 85179#(not (= main_~n~0.base |main_#t~malloc26.base|)), 85178#(= 1 (select |#valid| main_~n~0.base)), 85181#(and (not (= main_~n~0.base main_~st~0.base)) (= (select |#valid| main_~st~0.base) 1)), 85180#(not (= main_~n~0.base main_~st~0.base)), 85183#(= 1 (select |#valid| main_~s~0.base)), 85182#(and (= 1 (select |#valid| main_~s~0.base)) (not (= main_~n~0.base main_~s~0.base)))] [2018-04-12 21:55:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:11,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 21:55:11,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 21:55:11,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:55:11,459 INFO L87 Difference]: Start difference. First operand 1785 states and 2286 transitions. Second operand 8 states. [2018-04-12 21:55:11,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:11,685 INFO L93 Difference]: Finished difference Result 1839 states and 2342 transitions. [2018-04-12 21:55:11,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 21:55:11,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2018-04-12 21:55:11,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:11,688 INFO L225 Difference]: With dead ends: 1839 [2018-04-12 21:55:11,688 INFO L226 Difference]: Without dead ends: 1839 [2018-04-12 21:55:11,688 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2018-04-12 21:55:11,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2018-04-12 21:55:11,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1795. [2018-04-12 21:55:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1795 states. [2018-04-12 21:55:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2302 transitions. [2018-04-12 21:55:11,698 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2302 transitions. Word has length 77 [2018-04-12 21:55:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:11,698 INFO L459 AbstractCegarLoop]: Abstraction has 1795 states and 2302 transitions. [2018-04-12 21:55:11,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 21:55:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2302 transitions. [2018-04-12 21:55:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-12 21:55:11,699 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:11,699 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:11,699 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:11,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1097954889, now seen corresponding path program 1 times [2018-04-12 21:55:11,699 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:11,707 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:11,734 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:55:11,734 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 21:55:11,734 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:11,734 INFO L182 omatonBuilderFactory]: Interpolants [88839#false, 88838#true, 88841#(and (= 0 main_~st~0.offset) (= 8 (select |#length| main_~st~0.base))), 88840#(and (= 8 (select |#length| |main_#t~malloc26.base|)) (= 0 |main_#t~malloc26.offset|)), 88842#(and (= 8 (select |#length| main_~s~0.base)) (= main_~s~0.offset 0))] [2018-04-12 21:55:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:11,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:55:11,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:55:11,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:55:11,735 INFO L87 Difference]: Start difference. First operand 1795 states and 2302 transitions. Second operand 5 states. [2018-04-12 21:55:11,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:11,865 INFO L93 Difference]: Finished difference Result 1890 states and 2398 transitions. [2018-04-12 21:55:11,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 21:55:11,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-04-12 21:55:11,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:11,867 INFO L225 Difference]: With dead ends: 1890 [2018-04-12 21:55:11,867 INFO L226 Difference]: Without dead ends: 1890 [2018-04-12 21:55:11,867 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:55:11,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2018-04-12 21:55:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 1786. [2018-04-12 21:55:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1786 states. [2018-04-12 21:55:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2289 transitions. [2018-04-12 21:55:11,876 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2289 transitions. Word has length 77 [2018-04-12 21:55:11,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:11,876 INFO L459 AbstractCegarLoop]: Abstraction has 1786 states and 2289 transitions. [2018-04-12 21:55:11,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:55:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2289 transitions. [2018-04-12 21:55:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-12 21:55:11,877 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:11,877 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:11,877 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:11,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1880365955, now seen corresponding path program 1 times [2018-04-12 21:55:11,877 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:11,883 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 21:55:12,093 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:12,093 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 21:55:12,093 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:12,093 INFO L182 omatonBuilderFactory]: Interpolants [92545#(not (= |main_~#sentinel~0.base| main_~n~0.base)), 92544#(not (= |main_~#sentinel~0.base| main_~succ~0.base)), 92527#true, 92529#(= |main_#t~malloc0.offset| 0), 92528#false, 92531#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 92530#(= main_~root~0.offset 0), 92533#(and (= 0 |main_#t~malloc11.offset|) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 92532#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 92535#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 92534#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 92537#(and (= main_~n~0.base main_~root~0.base) (or (not (= main_~n~0.base |main_#t~mem13.base|)) (and (<= main_~n~0.offset |main_#t~mem13.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))), 92536#(and (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 92539#(or (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (and (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0))), 92538#(or (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)) (and (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 92541#(or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_~#sentinel~0.base|)) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 92540#(or (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_~#sentinel~0.base|)) (and (= |main_~#sentinel~0.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 92543#(not (= |main_~#sentinel~0.base| |main_#t~mem20.base|)), 92542#(not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))] [2018-04-12 21:55:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 21:55:12,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 21:55:12,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 21:55:12,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2018-04-12 21:55:12,094 INFO L87 Difference]: Start difference. First operand 1786 states and 2289 transitions. Second operand 19 states. [2018-04-12 21:55:13,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:13,353 INFO L93 Difference]: Finished difference Result 2323 states and 2911 transitions. [2018-04-12 21:55:13,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-12 21:55:13,353 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 78 [2018-04-12 21:55:13,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:13,356 INFO L225 Difference]: With dead ends: 2323 [2018-04-12 21:55:13,356 INFO L226 Difference]: Without dead ends: 2323 [2018-04-12 21:55:13,356 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=618, Invalid=2138, Unknown=0, NotChecked=0, Total=2756 [2018-04-12 21:55:13,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2018-04-12 21:55:13,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 1786. [2018-04-12 21:55:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1786 states. [2018-04-12 21:55:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2288 transitions. [2018-04-12 21:55:13,367 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2288 transitions. Word has length 78 [2018-04-12 21:55:13,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:13,367 INFO L459 AbstractCegarLoop]: Abstraction has 1786 states and 2288 transitions. [2018-04-12 21:55:13,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 21:55:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2288 transitions. [2018-04-12 21:55:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-12 21:55:13,368 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:13,368 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:13,368 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:13,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1330146183, now seen corresponding path program 1 times [2018-04-12 21:55:13,368 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:13,378 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:14,027 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:14,027 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-12 21:55:14,027 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:14,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:14,027 INFO L182 omatonBuilderFactory]: Interpolants [96723#true, 96725#(= 0 |main_#t~malloc0.offset|), 96724#false, 96727#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 96726#(= main_~root~0.offset 0), 96729#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 96728#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 96731#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 96730#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 96733#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~n~0.offset main_~root~0.offset)), 96732#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~mem13.base|)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 96735#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 96734#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~n~0.offset main_~root~0.offset)), 96737#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 96736#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 96739#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 96738#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 96741#(and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4)))), 96740#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 |main_~#sentinel~0.offset|)), 96743#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|)), 96742#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|)), 96745#(and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 96744#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|))), 96747#(and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 96746#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 96749#(and (= 0 |main_#t~mem20.base|) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 96748#(and (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 96751#(and (= 0 main_~n~0.base) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 96750#(and (= 0 main_~succ~0.base) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset))] [2018-04-12 21:55:14,027 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:14,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 21:55:14,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 21:55:14,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2018-04-12 21:55:14,028 INFO L87 Difference]: Start difference. First operand 1786 states and 2288 transitions. Second operand 29 states. [2018-04-12 21:55:16,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:16,446 INFO L93 Difference]: Finished difference Result 2384 states and 2993 transitions. [2018-04-12 21:55:16,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 21:55:16,446 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 79 [2018-04-12 21:55:16,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:16,447 INFO L225 Difference]: With dead ends: 2384 [2018-04-12 21:55:16,448 INFO L226 Difference]: Without dead ends: 2384 [2018-04-12 21:55:16,448 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1317 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=817, Invalid=4585, Unknown=0, NotChecked=0, Total=5402 [2018-04-12 21:55:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2384 states. [2018-04-12 21:55:16,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2384 to 1788. [2018-04-12 21:55:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1788 states. [2018-04-12 21:55:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 2291 transitions. [2018-04-12 21:55:16,460 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 2291 transitions. Word has length 79 [2018-04-12 21:55:16,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:16,460 INFO L459 AbstractCegarLoop]: Abstraction has 1788 states and 2291 transitions. [2018-04-12 21:55:16,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 21:55:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2291 transitions. [2018-04-12 21:55:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-12 21:55:16,461 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:16,461 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:16,461 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:16,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1048677727, now seen corresponding path program 1 times [2018-04-12 21:55:16,462 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:16,469 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:16,489 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:55:16,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 21:55:16,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:16,490 INFO L182 omatonBuilderFactory]: Interpolants [101015#false, 101014#true, 101017#(not (= 0 main_~st~0.base)), 101016#(not (= 0 |main_#t~malloc29.base|)), 101018#(not (= 0 main_~s~0.base))] [2018-04-12 21:55:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:16,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:55:16,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:55:16,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:55:16,491 INFO L87 Difference]: Start difference. First operand 1788 states and 2291 transitions. Second operand 5 states. [2018-04-12 21:55:16,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:16,548 INFO L93 Difference]: Finished difference Result 1874 states and 2385 transitions. [2018-04-12 21:55:16,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 21:55:16,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2018-04-12 21:55:16,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:16,550 INFO L225 Difference]: With dead ends: 1874 [2018-04-12 21:55:16,550 INFO L226 Difference]: Without dead ends: 1874 [2018-04-12 21:55:16,551 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-12 21:55:16,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2018-04-12 21:55:16,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1794. [2018-04-12 21:55:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2018-04-12 21:55:16,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2298 transitions. [2018-04-12 21:55:16,567 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2298 transitions. Word has length 80 [2018-04-12 21:55:16,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:16,567 INFO L459 AbstractCegarLoop]: Abstraction has 1794 states and 2298 transitions. [2018-04-12 21:55:16,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:55:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2298 transitions. [2018-04-12 21:55:16,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-12 21:55:16,568 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:16,568 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:16,568 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:16,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1296598721, now seen corresponding path program 1 times [2018-04-12 21:55:16,569 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:16,578 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:16,605 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 21:55:16,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 21:55:16,606 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:16,606 INFO L182 omatonBuilderFactory]: Interpolants [104693#true, 104695#(not (= 0 |main_#t~malloc26.base|)), 104694#false, 104697#(not (= 0 main_~s~0.base)), 104696#(not (= 0 main_~st~0.base))] [2018-04-12 21:55:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-12 21:55:16,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 21:55:16,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 21:55:16,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 21:55:16,607 INFO L87 Difference]: Start difference. First operand 1794 states and 2298 transitions. Second operand 5 states. [2018-04-12 21:55:16,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:16,686 INFO L93 Difference]: Finished difference Result 1887 states and 2393 transitions. [2018-04-12 21:55:16,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 21:55:16,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2018-04-12 21:55:16,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:16,687 INFO L225 Difference]: With dead ends: 1887 [2018-04-12 21:55:16,687 INFO L226 Difference]: Without dead ends: 1887 [2018-04-12 21:55:16,687 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-12 21:55:16,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2018-04-12 21:55:16,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1788. [2018-04-12 21:55:16,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1788 states. [2018-04-12 21:55:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 2290 transitions. [2018-04-12 21:55:16,696 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 2290 transitions. Word has length 80 [2018-04-12 21:55:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:16,696 INFO L459 AbstractCegarLoop]: Abstraction has 1788 states and 2290 transitions. [2018-04-12 21:55:16,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 21:55:16,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2290 transitions. [2018-04-12 21:55:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-12 21:55:16,697 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:16,697 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:16,697 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:16,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1768488579, now seen corresponding path program 2 times [2018-04-12 21:55:16,697 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:16,705 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:17,045 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:17,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-12 21:55:17,045 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:17,045 INFO L182 omatonBuilderFactory]: Interpolants [108381#true, 108383#(= 0 |main_#t~malloc0.offset|), 108382#false, 108385#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 108384#(= main_~root~0.offset 0), 108387#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 108386#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 108389#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 108388#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 108391#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 108390#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 108393#(= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)), 108392#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0)), 108395#(and (= 0 main_~succ~0.offset) (= 1 (select |#valid| main_~n~0.base))), 108394#(and (= 0 |main_#t~mem20.offset|) (= 1 (select |#valid| main_~n~0.base))), 108397#(and (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))))), 108396#(and (= main_~n~0.offset 0) (= 1 (select |#valid| main_~pred~0.base))), 108399#(or (<= (+ main_~n~0.offset 1) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 108398#(and (or (<= (+ main_~pred~0.offset 1) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4))))) (<= main_~pred~0.offset 0)), 108401#(= 1 (select |#valid| |main_#t~mem21.base|)), 108400#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 108403#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))), 108402#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 108405#(= 1 (select |#valid| main_~succ~0.base)), 108404#(= 1 (select |#valid| |main_#t~mem20.base|)), 108406#(= 1 (select |#valid| main_~n~0.base))] [2018-04-12 21:55:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:17,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 21:55:17,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 21:55:17,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2018-04-12 21:55:17,046 INFO L87 Difference]: Start difference. First operand 1788 states and 2290 transitions. Second operand 26 states. [2018-04-12 21:55:18,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:18,893 INFO L93 Difference]: Finished difference Result 2453 states and 3070 transitions. [2018-04-12 21:55:18,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-12 21:55:18,894 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 81 [2018-04-12 21:55:18,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:18,895 INFO L225 Difference]: With dead ends: 2453 [2018-04-12 21:55:18,895 INFO L226 Difference]: Without dead ends: 2453 [2018-04-12 21:55:18,895 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=653, Invalid=3507, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 21:55:18,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2453 states. [2018-04-12 21:55:18,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2453 to 1827. [2018-04-12 21:55:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-04-12 21:55:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2334 transitions. [2018-04-12 21:55:18,905 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2334 transitions. Word has length 81 [2018-04-12 21:55:18,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:18,905 INFO L459 AbstractCegarLoop]: Abstraction has 1827 states and 2334 transitions. [2018-04-12 21:55:18,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 21:55:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2334 transitions. [2018-04-12 21:55:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-12 21:55:18,906 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:18,906 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:18,906 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:18,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1768488580, now seen corresponding path program 2 times [2018-04-12 21:55:18,907 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:18,914 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:19,524 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:19,524 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:19,524 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-12 21:55:19,524 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:19,525 INFO L182 omatonBuilderFactory]: Interpolants [112769#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 112768#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 112771#(and (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 112770#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 112773#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 112772#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 112775#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 112774#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 112777#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (= |main_~#sentinel~0.base| main_~root~0.base) (= 8 (select |#length| main_~root~0.base))) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 112776#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 112779#(and (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 112778#(and (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 112781#(and (= 0 main_~succ~0.offset) (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 112780#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 112783#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (= 8 (select |#length| main_~pred~0.base))), 112782#(or (and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (= 8 (select |#length| main_~pred~0.base))) (<= (+ main_~n~0.offset 1) 0)), 112785#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (<= main_~pred~0.offset 0) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4)))) (<= (+ main_~pred~0.offset 1) 0)) (= 0 |main_~#sentinel~0.offset|)), 112784#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 112787#(and (= 8 (select |#length| |main_#t~mem21.base|)) (<= main_~n~0.offset 0) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 112786#(or (<= (+ main_~n~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|))), 112789#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 112788#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset 0) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 112791#(and (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 112790#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 112793#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 112792#(and (= 8 (select |#length| main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 112765#true, 112767#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 112766#false] [2018-04-12 21:55:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:19,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 21:55:19,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 21:55:19,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2018-04-12 21:55:19,525 INFO L87 Difference]: Start difference. First operand 1827 states and 2334 transitions. Second operand 29 states. [2018-04-12 21:55:22,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:22,589 INFO L93 Difference]: Finished difference Result 2588 states and 3215 transitions. [2018-04-12 21:55:22,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-12 21:55:22,590 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 81 [2018-04-12 21:55:22,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:22,591 INFO L225 Difference]: With dead ends: 2588 [2018-04-12 21:55:22,591 INFO L226 Difference]: Without dead ends: 2588 [2018-04-12 21:55:22,591 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=755, Invalid=4501, Unknown=0, NotChecked=0, Total=5256 [2018-04-12 21:55:22,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2018-04-12 21:55:22,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 1826. [2018-04-12 21:55:22,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1826 states. [2018-04-12 21:55:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1826 states and 2332 transitions. [2018-04-12 21:55:22,602 INFO L78 Accepts]: Start accepts. Automaton has 1826 states and 2332 transitions. Word has length 81 [2018-04-12 21:55:22,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:22,602 INFO L459 AbstractCegarLoop]: Abstraction has 1826 states and 2332 transitions. [2018-04-12 21:55:22,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 21:55:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2332 transitions. [2018-04-12 21:55:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-12 21:55:22,603 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:22,603 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:22,603 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:22,603 INFO L82 PathProgramCache]: Analyzing trace with hash 455291395, now seen corresponding path program 3 times [2018-04-12 21:55:22,603 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:22,613 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:23,171 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:23,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-12 21:55:23,171 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:23,172 INFO L182 omatonBuilderFactory]: Interpolants [117313#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4)))), 117312#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 117315#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 117314#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 117317#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 117316#(and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 117319#(and (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 117318#(and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 117321#(and (= 0 main_~succ~0.base) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 117320#(and (= 0 |main_#t~mem20.base|) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 117322#(and (= 0 main_~n~0.base) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 117297#false, 117296#true, 117299#(= main_~root~0.offset 0), 117298#(= 0 |main_#t~malloc0.offset|), 117301#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 117300#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 117303#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 117302#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 117305#(and (= |main_#t~mem19.offset| 0) (not (= main_~root~0.base |main_#t~mem19.base|)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 117304#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 117307#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 117306#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 117309#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4))) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 117308#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_~#sentinel~0.offset|)), 117311#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4))) (not (= main_~pred~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4)))), 117310#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))] [2018-04-12 21:55:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:23,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-12 21:55:23,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-12 21:55:23,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2018-04-12 21:55:23,172 INFO L87 Difference]: Start difference. First operand 1826 states and 2332 transitions. Second operand 27 states. [2018-04-12 21:55:25,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:25,533 INFO L93 Difference]: Finished difference Result 2501 states and 3144 transitions. [2018-04-12 21:55:25,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-12 21:55:25,533 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 81 [2018-04-12 21:55:25,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:25,535 INFO L225 Difference]: With dead ends: 2501 [2018-04-12 21:55:25,535 INFO L226 Difference]: Without dead ends: 2501 [2018-04-12 21:55:25,535 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 6 SyntacticMatches, 7 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=651, Invalid=4319, Unknown=0, NotChecked=0, Total=4970 [2018-04-12 21:55:25,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2018-04-12 21:55:25,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 1836. [2018-04-12 21:55:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2018-04-12 21:55:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2342 transitions. [2018-04-12 21:55:25,552 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2342 transitions. Word has length 81 [2018-04-12 21:55:25,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:25,552 INFO L459 AbstractCegarLoop]: Abstraction has 1836 states and 2342 transitions. [2018-04-12 21:55:25,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-12 21:55:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2342 transitions. [2018-04-12 21:55:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-12 21:55:25,553 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:25,553 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:25,553 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:25,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1011429873, now seen corresponding path program 2 times [2018-04-12 21:55:25,553 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:25,561 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:26,136 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:26,136 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-12 21:55:26,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:26,136 INFO L182 omatonBuilderFactory]: Interpolants [121749#false, 121748#true, 121751#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 121750#(= 0 (select |#valid| 0)), 121753#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 121752#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0)), 121755#(and (or (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| 0))) (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 121754#(and (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 121757#(and (or (and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base |main_#t~mem12.base|)) (or (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| 0)))), 121756#(and (= main_~n~0.base main_~root~0.base) (or (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 121759#(or (= 1 (select |#valid| 0)) (and (= main_~n~0.base main_~root~0.base) (or (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.offset main_~root~0.offset)) (<= main_~n~0.offset |main_#t~mem13.offset|) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))), 121758#(or (and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (= 1 (select |#valid| 0))), 121761#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 121760#(or (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 121763#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 121762#(or (and (= |main_~#sentinel~0.offset| main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 121765#(or (= 1 (select |#valid| 0)) (and (= 0 |main_#t~mem20.offset|) (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| main_~n~0.base)))), 121764#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| main_~n~0.base))) (= 1 (select |#valid| 0))), 121767#(or (and (not (= |main_~#sentinel~0.base| main_~pred~0.base)) (= main_~n~0.offset 0) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 121766#(or (and (= 0 main_~succ~0.offset) (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| main_~n~0.base))) (= 1 (select |#valid| 0))), 121769#(or (and (= 0 main_~pred~0.offset) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 121768#(or (and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 121771#(or (and (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| 0))), 121770#(or (= 1 (select |#valid| 0)) (and (not (= |main_~#sentinel~0.base| |main_#t~mem21.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0))), 121773#(or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 121772#(or (= 1 (select |#valid| 0)) (and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= main_~root~0.offset 0))), 121775#(or (and (not (= |main_~#sentinel~0.base| main_~succ~0.base)) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 121774#(or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| |main_#t~mem20.base|)))), 121777#(= 1 (select |#valid| 0)), 121776#(or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| main_~n~0.base))))] [2018-04-12 21:55:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:26,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 21:55:26,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 21:55:26,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=771, Unknown=0, NotChecked=0, Total=870 [2018-04-12 21:55:26,137 INFO L87 Difference]: Start difference. First operand 1836 states and 2342 transitions. Second operand 30 states. [2018-04-12 21:55:28,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:28,549 INFO L93 Difference]: Finished difference Result 2475 states and 3087 transitions. [2018-04-12 21:55:28,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-12 21:55:28,549 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 82 [2018-04-12 21:55:28,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:28,550 INFO L225 Difference]: With dead ends: 2475 [2018-04-12 21:55:28,550 INFO L226 Difference]: Without dead ends: 2475 [2018-04-12 21:55:28,551 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=671, Invalid=3751, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 21:55:28,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2475 states. [2018-04-12 21:55:28,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 1834. [2018-04-12 21:55:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1834 states. [2018-04-12 21:55:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2338 transitions. [2018-04-12 21:55:28,560 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2338 transitions. Word has length 82 [2018-04-12 21:55:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:28,561 INFO L459 AbstractCegarLoop]: Abstraction has 1834 states and 2338 transitions. [2018-04-12 21:55:28,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 21:55:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2338 transitions. [2018-04-12 21:55:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-12 21:55:28,561 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:28,561 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:28,561 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:28,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1988197240, now seen corresponding path program 2 times [2018-04-12 21:55:28,562 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:28,571 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:29,566 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:29,567 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-12 21:55:29,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:29,567 INFO L182 omatonBuilderFactory]: Interpolants [126161#true, 126163#(= |main_#t~malloc0.offset| 0), 126162#false, 126165#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 126164#(= main_~root~0.offset 0), 126167#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 126166#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 126169#(and (or (= main_~root~0.offset main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 126168#(and (or (= main_~root~0.offset main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 126171#(and (or (= main_~root~0.offset main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (or (not (= main_~root~0.offset main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1))) (= |main_#t~mem18.offset| 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 126170#(and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (or (not (= main_~root~0.offset main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 126173#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 126172#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| |main_#t~mem19.base|) 1))) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 126175#(and (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc11.base|))))), 126174#(and (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= main_~root~0.offset 0)), 126177#(and (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))) (= main_~root~0.offset 0) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 126176#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))) (= main_~root~0.offset 0)), 126179#(and (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= main_~root~0.offset 0) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))), 126178#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= main_~root~0.offset 0)), 126181#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))))), 126180#(and (= main_~root~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))))), 126183#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))) (not |main_#t~short4|)), 126182#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem3.base| 0) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))))), 126185#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4))) (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4)))), 126184#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))), 126187#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8)), 126186#(or (<= (+ main_~n~0.offset 1) 0) (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)) (= 8 (select |#length| main_~n~0.base)))), 126189#(not |main_#t~short4|), 126188#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0))] [2018-04-12 21:55:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:29,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 21:55:29,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 21:55:29,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2018-04-12 21:55:29,568 INFO L87 Difference]: Start difference. First operand 1834 states and 2338 transitions. Second operand 29 states. [2018-04-12 21:55:32,267 WARN L151 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 91 DAG size of output 80 [2018-04-12 21:55:35,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:35,335 INFO L93 Difference]: Finished difference Result 3476 states and 4405 transitions. [2018-04-12 21:55:35,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-12 21:55:35,335 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 82 [2018-04-12 21:55:35,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:35,337 INFO L225 Difference]: With dead ends: 3476 [2018-04-12 21:55:35,337 INFO L226 Difference]: Without dead ends: 3476 [2018-04-12 21:55:35,337 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2446 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1434, Invalid=7122, Unknown=0, NotChecked=0, Total=8556 [2018-04-12 21:55:35,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3476 states. [2018-04-12 21:55:35,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3476 to 2435. [2018-04-12 21:55:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2435 states. [2018-04-12 21:55:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 3131 transitions. [2018-04-12 21:55:35,351 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 3131 transitions. Word has length 82 [2018-04-12 21:55:35,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:35,351 INFO L459 AbstractCegarLoop]: Abstraction has 2435 states and 3131 transitions. [2018-04-12 21:55:35,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 21:55:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 3131 transitions. [2018-04-12 21:55:35,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-12 21:55:35,352 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:35,352 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:35,352 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:35,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1886135752, now seen corresponding path program 1 times [2018-04-12 21:55:35,352 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:35,362 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:55:35,685 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:35,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-12 21:55:35,685 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:35,686 INFO L182 omatonBuilderFactory]: Interpolants [132230#false, 132231#(= 0 |main_#t~malloc0.offset|), 132229#true, 132234#(and (= 0 main_~pred~0.offset) (= main_~root~0.offset 0) (= main_~pred~0.base main_~root~0.base)), 132235#(and (= 0 main_~n~0.offset) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 132232#(= main_~root~0.offset 0), 132233#(and (= 0 main_~n~0.offset) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0)), 132238#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 132239#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 132236#(and (= 0 main_~pred~0.offset) (= 1 (select |#valid| main_~pred~0.base)) (= main_~root~0.offset 0) (= main_~pred~0.base main_~root~0.base)), 132237#(and (= 0 main_~pred~0.offset) (= main_~n~0.base main_~root~0.base) (= 0 main_~pred~0.base) (= main_~n~0.offset 0) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 132242#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~s~0.offset 0)), 132243#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~s~0.offset main_~st~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (+ 0 4))) (= main_~st~0.offset 0)), 132240#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~malloc22.base| main_~root~0.base)) (= main_~root~0.offset 0) (= 0 |main_#t~malloc22.offset|)), 132241#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 132246#(or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~st~0.offset 0))), 132247#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset)), 132244#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (+ 0 4)))), 132245#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) (+ 0 4))) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem24.base|) (+ 0 4)))), 132250#(<= 1 main_~n~0.offset), 132251#(and (<= 1 main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base))), 132248#(or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)))), 132249#(or (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem28.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= |main_#t~mem28.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))] [2018-04-12 21:55:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:55:35,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 21:55:35,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 21:55:35,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2018-04-12 21:55:35,686 INFO L87 Difference]: Start difference. First operand 2435 states and 3131 transitions. Second operand 23 states. [2018-04-12 21:55:36,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:36,844 INFO L93 Difference]: Finished difference Result 2639 states and 3355 transitions. [2018-04-12 21:55:36,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 21:55:36,845 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 84 [2018-04-12 21:55:36,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:36,846 INFO L225 Difference]: With dead ends: 2639 [2018-04-12 21:55:36,846 INFO L226 Difference]: Without dead ends: 2630 [2018-04-12 21:55:36,846 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=425, Invalid=2025, Unknown=0, NotChecked=0, Total=2450 [2018-04-12 21:55:36,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2018-04-12 21:55:36,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2454. [2018-04-12 21:55:36,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2454 states. [2018-04-12 21:55:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2454 states and 3151 transitions. [2018-04-12 21:55:36,858 INFO L78 Accepts]: Start accepts. Automaton has 2454 states and 3151 transitions. Word has length 84 [2018-04-12 21:55:36,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:36,858 INFO L459 AbstractCegarLoop]: Abstraction has 2454 states and 3151 transitions. [2018-04-12 21:55:36,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 21:55:36,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 3151 transitions. [2018-04-12 21:55:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-12 21:55:36,859 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:36,859 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:36,859 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:36,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1106697816, now seen corresponding path program 1 times [2018-04-12 21:55:36,860 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:36,869 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:37,532 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:37,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-12 21:55:37,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:37,533 INFO L182 omatonBuilderFactory]: Interpolants [137410#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 137411#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 137408#(and (= 0 main_~pred~0.offset) (= 1 (select |#valid| main_~pred~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= main_~pred~0.base main_~root~0.base)), 137409#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 |main_#t~mem21.base|)), 137414#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4))) 0)) (= main_~s~0.offset 0)), 137415#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) 0)) (= main_~s~0.offset main_~st~0.offset) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~s~0.offset 4))))), 137412#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)) (not (= |main_#t~malloc22.base| main_~root~0.base)) (= main_~root~0.offset 0) (= 0 |main_#t~malloc22.offset|)), 137413#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)) (= main_~s~0.offset 0) (= main_~root~0.offset 0) (not (= main_~s~0.base main_~root~0.base))), 137418#(and (or (not (= 0 main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~st~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)))), 137419#(and (or (not (= 0 main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 137416#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) 0)) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~st~0.base) (+ main_~st~0.offset 4))))), 137417#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem24.base|) |main_#t~mem24.offset|)) (= (select (select |#memory_$Pointer$.base| main_~st~0.base) (+ main_~st~0.offset 4)) |main_#t~mem24.base|) (= main_~st~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem24.base|) 0))), 137422#(and (not (= 0 main_~n~0.offset)) (not (= main_~n~0.base |main_#t~malloc26.base|))), 137423#(and (not (= 0 main_~n~0.offset)) (not (= main_~n~0.base main_~st~0.base))), 137420#(and (or (not (= 0 main_~n~0.offset)) (and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| main_~n~0.base)) (= 0 |main_#t~mem25.offset|)), 137421#(and (not (= 0 main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base))), 137424#(and (not (= 0 main_~n~0.offset)) (not (= main_~n~0.base main_~st~0.base)) (= 1 (select |#valid| main_~n~0.base))), 137399#true, 137402#(= main_~root~0.offset 0), 137403#(and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 137400#false, 137401#(= 0 |main_#t~malloc0.offset|), 137406#(and (= 0 main_~pred~0.offset) (= 0 main_~pred~0.base) (= main_~n~0.offset 0) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 137407#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 137404#(and (= 0 main_~pred~0.offset) (= main_~root~0.offset 0) (= main_~pred~0.base main_~root~0.base)), 137405#(and (= 0 main_~pred~0.offset) (= 0 main_~pred~0.base) (= main_~n~0.offset 0) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0))] [2018-04-12 21:55:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:37,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 21:55:37,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 21:55:37,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2018-04-12 21:55:37,533 INFO L87 Difference]: Start difference. First operand 2454 states and 3151 transitions. Second operand 26 states. [2018-04-12 21:55:39,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:39,232 INFO L93 Difference]: Finished difference Result 2651 states and 3376 transitions. [2018-04-12 21:55:39,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 21:55:39,233 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 84 [2018-04-12 21:55:39,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:39,234 INFO L225 Difference]: With dead ends: 2651 [2018-04-12 21:55:39,234 INFO L226 Difference]: Without dead ends: 2582 [2018-04-12 21:55:39,234 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 7 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=442, Invalid=2528, Unknown=0, NotChecked=0, Total=2970 [2018-04-12 21:55:39,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2582 states. [2018-04-12 21:55:39,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2582 to 2420. [2018-04-12 21:55:39,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2420 states. [2018-04-12 21:55:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 3116 transitions. [2018-04-12 21:55:39,247 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 3116 transitions. Word has length 84 [2018-04-12 21:55:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:39,247 INFO L459 AbstractCegarLoop]: Abstraction has 2420 states and 3116 transitions. [2018-04-12 21:55:39,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 21:55:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 3116 transitions. [2018-04-12 21:55:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-12 21:55:39,247 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:39,247 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:39,248 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:39,248 INFO L82 PathProgramCache]: Analyzing trace with hash -820835712, now seen corresponding path program 1 times [2018-04-12 21:55:39,248 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:39,256 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:55:39,410 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:39,410 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-12 21:55:39,410 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:39,411 INFO L182 omatonBuilderFactory]: Interpolants [142562#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) 0))), 142563#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) 0))), 142560#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 142561#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) 0))), 142566#(not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)), 142567#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))), 142564#(and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) 0))), 142565#(not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)), 142570#(not (= main_~n~0.base 0)), 142568#(and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))), 142569#(not (= main_~succ~0.base 0)), 142554#true, 142555#false, 142558#(= (select |#valid| main_~root~0.base) 1), 142559#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 142556#(= main_~n~0.base main_~root~0.base), 142557#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1))] [2018-04-12 21:55:39,411 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:55:39,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 21:55:39,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 21:55:39,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2018-04-12 21:55:39,411 INFO L87 Difference]: Start difference. First operand 2420 states and 3116 transitions. Second operand 17 states. [2018-04-12 21:55:40,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:40,041 INFO L93 Difference]: Finished difference Result 3069 states and 3894 transitions. [2018-04-12 21:55:40,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 21:55:40,041 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 85 [2018-04-12 21:55:40,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:40,042 INFO L225 Difference]: With dead ends: 3069 [2018-04-12 21:55:40,042 INFO L226 Difference]: Without dead ends: 3034 [2018-04-12 21:55:40,042 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=227, Invalid=765, Unknown=0, NotChecked=0, Total=992 [2018-04-12 21:55:40,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2018-04-12 21:55:40,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 2392. [2018-04-12 21:55:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2392 states. [2018-04-12 21:55:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3081 transitions. [2018-04-12 21:55:40,056 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3081 transitions. Word has length 85 [2018-04-12 21:55:40,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:40,057 INFO L459 AbstractCegarLoop]: Abstraction has 2392 states and 3081 transitions. [2018-04-12 21:55:40,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 21:55:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3081 transitions. [2018-04-12 21:55:40,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-12 21:55:40,057 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:40,057 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:40,057 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:40,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1695037047, now seen corresponding path program 1 times [2018-04-12 21:55:40,058 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:40,065 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 21:55:40,206 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:40,206 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 21:55:40,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:40,207 INFO L182 omatonBuilderFactory]: Interpolants [148066#true, 148067#false, 148070#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 148071#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 148068#(= (select |#valid| main_~root~0.base) 1), 148069#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 148074#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 148075#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 148072#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 148073#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 148078#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 148079#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 148076#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 148077#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 148082#(not (= |main_#t~mem20.base| |main_~#sentinel~0.base|)), 148083#(not (= main_~succ~0.base |main_~#sentinel~0.base|)), 148080#(not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_~#sentinel~0.base|)), 148081#(not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_~#sentinel~0.base|)), 148084#(not (= main_~n~0.base |main_~#sentinel~0.base|))] [2018-04-12 21:55:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 21:55:40,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 21:55:40,207 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 21:55:40,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-04-12 21:55:40,207 INFO L87 Difference]: Start difference. First operand 2392 states and 3081 transitions. Second operand 19 states. [2018-04-12 21:55:41,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:41,330 INFO L93 Difference]: Finished difference Result 3638 states and 4596 transitions. [2018-04-12 21:55:41,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-12 21:55:41,330 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 86 [2018-04-12 21:55:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:41,332 INFO L225 Difference]: With dead ends: 3638 [2018-04-12 21:55:41,332 INFO L226 Difference]: Without dead ends: 3638 [2018-04-12 21:55:41,332 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 21:55:41,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2018-04-12 21:55:41,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 2390. [2018-04-12 21:55:41,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2390 states. [2018-04-12 21:55:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2390 states and 3077 transitions. [2018-04-12 21:55:41,348 INFO L78 Accepts]: Start accepts. Automaton has 2390 states and 3077 transitions. Word has length 86 [2018-04-12 21:55:41,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:41,348 INFO L459 AbstractCegarLoop]: Abstraction has 2390 states and 3077 transitions. [2018-04-12 21:55:41,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 21:55:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 3077 transitions. [2018-04-12 21:55:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-12 21:55:41,349 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:41,349 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:41,349 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:41,349 INFO L82 PathProgramCache]: Analyzing trace with hash 530841485, now seen corresponding path program 1 times [2018-04-12 21:55:41,349 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:41,356 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 21:55:41,655 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:41,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-12 21:55:41,656 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:41,656 INFO L182 omatonBuilderFactory]: Interpolants [154210#(and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 154211#(and (not (= |main_~#sentinel~0.base| main_~succ~0.base)) (= main_~root~0.offset 0)), 154208#(and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= main_~root~0.offset 0)), 154209#(and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 154212#(and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| main_~n~0.base))), 154194#false, 154195#(= 0 |main_#t~malloc0.offset|), 154193#true, 154198#(and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 154199#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 154196#(= main_~root~0.offset 0), 154197#(and (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 154202#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0)), 154203#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 154200#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 154201#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 154206#(and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset 0)), 154207#(and (= main_~n~0.offset 0) (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 154204#(and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 154205#(and (= main_~n~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0))] [2018-04-12 21:55:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 21:55:41,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 21:55:41,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 21:55:41,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-04-12 21:55:41,657 INFO L87 Difference]: Start difference. First operand 2390 states and 3077 transitions. Second operand 20 states. [2018-04-12 21:55:42,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:42,898 INFO L93 Difference]: Finished difference Result 3392 states and 4288 transitions. [2018-04-12 21:55:42,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-12 21:55:42,898 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 88 [2018-04-12 21:55:42,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:42,900 INFO L225 Difference]: With dead ends: 3392 [2018-04-12 21:55:42,900 INFO L226 Difference]: Without dead ends: 3392 [2018-04-12 21:55:42,900 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=626, Invalid=2344, Unknown=0, NotChecked=0, Total=2970 [2018-04-12 21:55:42,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3392 states. [2018-04-12 21:55:42,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3392 to 2390. [2018-04-12 21:55:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2390 states. [2018-04-12 21:55:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2390 states and 3076 transitions. [2018-04-12 21:55:42,915 INFO L78 Accepts]: Start accepts. Automaton has 2390 states and 3076 transitions. Word has length 88 [2018-04-12 21:55:42,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:42,915 INFO L459 AbstractCegarLoop]: Abstraction has 2390 states and 3076 transitions. [2018-04-12 21:55:42,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 21:55:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 3076 transitions. [2018-04-12 21:55:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:55:42,916 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:42,916 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:42,916 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:42,916 INFO L82 PathProgramCache]: Analyzing trace with hash -881214142, now seen corresponding path program 1 times [2018-04-12 21:55:42,917 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:42,929 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:43,370 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:43,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-12 21:55:43,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:43,370 INFO L182 omatonBuilderFactory]: Interpolants [160066#false, 160067#(= 0 |main_#t~malloc0.offset|), 160065#true, 160070#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base))), 160071#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= main_~root~0.offset main_~n~0.offset) (= 0 |main_#t~malloc17.offset|)), 160068#(= 0 main_~root~0.offset), 160069#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= main_~root~0.offset main_~n~0.offset)), 160074#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset)), 160075#(and (or (and (= |main_#t~mem19.offset| main_~root~0.offset) (= |main_#t~mem19.base| main_~root~0.base)) (and (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) (= |main_#t~mem19.offset| 0) (= (select |#valid| main_~root~0.base) 1)), 160072#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 160073#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset)), 160078#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0)))), 160079#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (not |main_#t~short4|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset)), 160076#(and (or (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1)), 160077#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))) (= main_~root~0.offset main_~n~0.offset)), 160082#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 160083#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 160080#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 160081#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base |main_#t~mem7.base|))), 160086#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (not (= |main_#t~mem12.base| main_~root~0.base))), 160087#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base))), 160084#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 160085#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base))), 160090#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 160091#(= 1 (select |#valid| |main_#t~mem7.base|)), 160088#(and (not (= |main_#t~mem13.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 160089#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 160092#(= 1 (select |#valid| main_~n~0.base))] [2018-04-12 21:55:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:43,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 21:55:43,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 21:55:43,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-04-12 21:55:43,371 INFO L87 Difference]: Start difference. First operand 2390 states and 3076 transitions. Second operand 28 states. [2018-04-12 21:55:45,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:45,467 INFO L93 Difference]: Finished difference Result 6307 states and 8126 transitions. [2018-04-12 21:55:45,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 21:55:45,468 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 90 [2018-04-12 21:55:45,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:45,471 INFO L225 Difference]: With dead ends: 6307 [2018-04-12 21:55:45,471 INFO L226 Difference]: Without dead ends: 6307 [2018-04-12 21:55:45,472 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1114 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=936, Invalid=3756, Unknown=0, NotChecked=0, Total=4692 [2018-04-12 21:55:45,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6307 states. [2018-04-12 21:55:45,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6307 to 2879. [2018-04-12 21:55:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2879 states. [2018-04-12 21:55:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 3771 transitions. [2018-04-12 21:55:45,506 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 3771 transitions. Word has length 90 [2018-04-12 21:55:45,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:45,506 INFO L459 AbstractCegarLoop]: Abstraction has 2879 states and 3771 transitions. [2018-04-12 21:55:45,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 21:55:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3771 transitions. [2018-04-12 21:55:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:55:45,507 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:45,507 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:45,507 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:45,507 INFO L82 PathProgramCache]: Analyzing trace with hash -881214141, now seen corresponding path program 1 times [2018-04-12 21:55:45,507 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:45,526 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:46,509 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:46,509 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-12 21:55:46,509 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:46,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:46,509 INFO L182 omatonBuilderFactory]: Interpolants [169362#false, 169363#(= 0 |main_#t~malloc0.offset|), 169361#true, 169366#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 169367#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 169364#(= main_~root~0.offset 0), 169365#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 169370#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 169371#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 169368#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 169369#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)))) |main_#t~short4|) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 169374#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 169375#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem14.offset|) (= main_~n~0.offset main_~root~0.offset)), 169372#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 169373#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 169378#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 169379#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 169376#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (not |main_#t~short16|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 169377#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc17.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 169382#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 169383#(and (= main_~root~0.offset main_~n~0.offset) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))), 169380#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 169381#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1)) (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset |main_#t~mem19.offset|)), 169386#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 169387#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base |main_#t~mem7.base|))), 169384#(and (= main_~root~0.offset main_~n~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0)))), 169385#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (not |main_#t~short4|)) (= main_~root~0.offset main_~n~0.offset)), 169390#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 169391#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8)), 169388#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 169389#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 169394#(and (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8)), 169395#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8)), 169392#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8) (not (= |main_#t~mem12.base| main_~root~0.base))), 169393#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8)), 169398#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 169399#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 169396#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 169397#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 169400#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-12 21:55:46,509 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:46,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-12 21:55:46,510 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-12 21:55:46,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1381, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 21:55:46,510 INFO L87 Difference]: Start difference. First operand 2879 states and 3771 transitions. Second operand 40 states. [2018-04-12 21:55:54,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:54,254 INFO L93 Difference]: Finished difference Result 8654 states and 11086 transitions. [2018-04-12 21:55:54,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-04-12 21:55:54,254 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 90 [2018-04-12 21:55:54,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:54,259 INFO L225 Difference]: With dead ends: 8654 [2018-04-12 21:55:54,259 INFO L226 Difference]: Without dead ends: 8654 [2018-04-12 21:55:54,259 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5656 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=3121, Invalid=17759, Unknown=0, NotChecked=0, Total=20880 [2018-04-12 21:55:54,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8654 states. [2018-04-12 21:55:54,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8654 to 2922. [2018-04-12 21:55:54,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2922 states. [2018-04-12 21:55:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 3822 transitions. [2018-04-12 21:55:54,291 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 3822 transitions. Word has length 90 [2018-04-12 21:55:54,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:54,291 INFO L459 AbstractCegarLoop]: Abstraction has 2922 states and 3822 transitions. [2018-04-12 21:55:54,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-12 21:55:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3822 transitions. [2018-04-12 21:55:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:55:54,292 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:54,292 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:54,292 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:54,292 INFO L82 PathProgramCache]: Analyzing trace with hash -886939780, now seen corresponding path program 1 times [2018-04-12 21:55:54,293 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:54,303 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:54,944 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:54,944 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-12 21:55:54,944 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:54,944 INFO L182 omatonBuilderFactory]: Interpolants [181187#true, 181190#(and (= 0 main_~root~0.offset) (= 8 (select |#length| main_~root~0.base))), 181191#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 181188#false, 181189#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 181194#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 181195#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 181192#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 181193#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 181198#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 181199#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 181196#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 181197#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 181202#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 181203#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 181200#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 181201#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 181206#(and (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) |main_#t~short4|) (= (select |#valid| main_~root~0.base) 1)), 181207#(and (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select |#valid| main_~root~0.base) 1)), 181204#(and (or (and (or (<= 1 main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (<= (+ main_~n~0.offset 1) 0)) (= (select |#valid| main_~root~0.base) 1)), 181205#(and (or (and (= main_~n~0.base main_~root~0.base) (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select |#valid| main_~root~0.base) 1)), 181210#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base)))), 181211#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 181208#(or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 181209#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 181214#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 181215#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 181212#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= |main_#t~mem13.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 181213#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 181216#(= 1 (select |#valid| |main_#t~mem6.base|)), 181217#(= 1 (select |#valid| main_~n~0.base))] [2018-04-12 21:55:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:54,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-12 21:55:54,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-12 21:55:54,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=758, Unknown=0, NotChecked=0, Total=930 [2018-04-12 21:55:54,945 INFO L87 Difference]: Start difference. First operand 2922 states and 3822 transitions. Second operand 31 states. [2018-04-12 21:55:58,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:55:58,111 INFO L93 Difference]: Finished difference Result 3859 states and 4947 transitions. [2018-04-12 21:55:58,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-04-12 21:55:58,111 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 90 [2018-04-12 21:55:58,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:55:58,112 INFO L225 Difference]: With dead ends: 3859 [2018-04-12 21:55:58,113 INFO L226 Difference]: Without dead ends: 3859 [2018-04-12 21:55:58,113 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2412 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1866, Invalid=6324, Unknown=0, NotChecked=0, Total=8190 [2018-04-12 21:55:58,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2018-04-12 21:55:58,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 2955. [2018-04-12 21:55:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2955 states. [2018-04-12 21:55:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 3858 transitions. [2018-04-12 21:55:58,131 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 3858 transitions. Word has length 90 [2018-04-12 21:55:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:55:58,131 INFO L459 AbstractCegarLoop]: Abstraction has 2955 states and 3858 transitions. [2018-04-12 21:55:58,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-12 21:55:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 3858 transitions. [2018-04-12 21:55:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:55:58,132 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:55:58,132 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:55:58,132 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:55:58,132 INFO L82 PathProgramCache]: Analyzing trace with hash -886939779, now seen corresponding path program 1 times [2018-04-12 21:55:58,132 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:55:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:55:58,144 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:55:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:58,972 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:55:58,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-12 21:55:58,973 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:55:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:58,973 INFO L182 omatonBuilderFactory]: Interpolants [188162#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 188163#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 188160#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 188161#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 188166#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 188167#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 188164#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 188165#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 188170#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)))), 188171#(and (or (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 188168#(and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 188169#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 188174#(and (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 188175#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))))), 188172#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) |main_#t~short4|) (= 1 (select |#valid| main_~n~0.base))), 188173#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base))), 188178#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 188179#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 188176#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem12.base| main_~root~0.base)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not (= main_~n~0.base |main_#t~mem12.base|))), 188177#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 188182#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 188183#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 188180#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 188181#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 188154#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 188155#(and (= 0 main_~root~0.offset) (= 8 (select |#length| main_~root~0.base))), 188152#true, 188153#false, 188158#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 188159#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 188156#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 188157#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 21:55:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:55:58,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 21:55:58,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 21:55:58,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=805, Unknown=0, NotChecked=0, Total=992 [2018-04-12 21:55:58,974 INFO L87 Difference]: Start difference. First operand 2955 states and 3858 transitions. Second operand 32 states. [2018-04-12 21:56:03,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:03,397 INFO L93 Difference]: Finished difference Result 4728 states and 6108 transitions. [2018-04-12 21:56:03,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-12 21:56:03,397 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 90 [2018-04-12 21:56:03,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:03,399 INFO L225 Difference]: With dead ends: 4728 [2018-04-12 21:56:03,399 INFO L226 Difference]: Without dead ends: 4728 [2018-04-12 21:56:03,400 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2807 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2013, Invalid=7299, Unknown=0, NotChecked=0, Total=9312 [2018-04-12 21:56:03,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4728 states. [2018-04-12 21:56:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4728 to 3430. [2018-04-12 21:56:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3430 states. [2018-04-12 21:56:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3430 states to 3430 states and 4524 transitions. [2018-04-12 21:56:03,425 INFO L78 Accepts]: Start accepts. Automaton has 3430 states and 4524 transitions. Word has length 90 [2018-04-12 21:56:03,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:03,425 INFO L459 AbstractCegarLoop]: Abstraction has 3430 states and 4524 transitions. [2018-04-12 21:56:03,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 21:56:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3430 states and 4524 transitions. [2018-04-12 21:56:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:56:03,426 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:03,426 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:03,426 INFO L408 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:03,426 INFO L82 PathProgramCache]: Analyzing trace with hash -566272190, now seen corresponding path program 1 times [2018-04-12 21:56:03,426 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:03,441 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:03,719 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:03,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-12 21:56:03,720 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:03,720 INFO L182 omatonBuilderFactory]: Interpolants [196482#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 196483#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 196480#(and (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 196481#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base |main_#t~mem7.base|))), 196486#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base))), 196487#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 196484#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|))), 196485#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 196490#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 196491#(= 1 (select |#valid| |main_#t~mem7.base|)), 196488#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base))), 196489#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 196492#(= 1 (select |#valid| main_~n~0.base)), 196474#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset)), 196475#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base))), 196472#true, 196473#false, 196478#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 196479#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 196476#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset)), 196477#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))] [2018-04-12 21:56:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:03,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 21:56:03,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 21:56:03,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2018-04-12 21:56:03,720 INFO L87 Difference]: Start difference. First operand 3430 states and 4524 transitions. Second operand 21 states. [2018-04-12 21:56:04,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:04,785 INFO L93 Difference]: Finished difference Result 5882 states and 7617 transitions. [2018-04-12 21:56:04,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-12 21:56:04,785 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 90 [2018-04-12 21:56:04,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:04,788 INFO L225 Difference]: With dead ends: 5882 [2018-04-12 21:56:04,788 INFO L226 Difference]: Without dead ends: 5882 [2018-04-12 21:56:04,788 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=293, Invalid=1189, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 21:56:04,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5882 states. [2018-04-12 21:56:04,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5882 to 3579. [2018-04-12 21:56:04,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3579 states. [2018-04-12 21:56:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4736 transitions. [2018-04-12 21:56:04,813 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4736 transitions. Word has length 90 [2018-04-12 21:56:04,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:04,813 INFO L459 AbstractCegarLoop]: Abstraction has 3579 states and 4736 transitions. [2018-04-12 21:56:04,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 21:56:04,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4736 transitions. [2018-04-12 21:56:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:56:04,814 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:04,814 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:04,814 INFO L408 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:04,814 INFO L82 PathProgramCache]: Analyzing trace with hash -571997828, now seen corresponding path program 1 times [2018-04-12 21:56:04,815 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:04,835 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:05,278 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:05,278 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-12 21:56:05,278 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:05,279 INFO L182 omatonBuilderFactory]: Interpolants [206019#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206018#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= |main_#t~mem18.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206017#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206016#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= (+ main_~n~0.offset 4) main_~root~0.offset))))), 206023#(= 1 (select |#valid| |main_#t~mem6.base|)), 206022#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 206021#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 206020#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206024#(= 1 (select |#valid| main_~n~0.base)), 205999#(= 0 |main_#t~malloc0.offset|), 205998#false, 205997#true, 206003#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 206002#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 206001#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 206000#(= 0 main_~root~0.offset), 206007#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 206006#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 206005#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 206004#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 206011#(and (= 0 main_~root~0.offset) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206010#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 206009#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 206008#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 206015#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))))), 206014#(or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (<= (+ main_~n~0.offset 1) 0) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))))), 206013#(and (= (select |#valid| main_~root~0.base) 1) (<= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 206012#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))] [2018-04-12 21:56:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:05,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 21:56:05,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 21:56:05,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2018-04-12 21:56:05,280 INFO L87 Difference]: Start difference. First operand 3579 states and 4736 transitions. Second operand 28 states. [2018-04-12 21:56:06,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:06,621 INFO L93 Difference]: Finished difference Result 5759 states and 7540 transitions. [2018-04-12 21:56:06,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-12 21:56:06,621 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 90 [2018-04-12 21:56:06,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:06,624 INFO L225 Difference]: With dead ends: 5759 [2018-04-12 21:56:06,624 INFO L226 Difference]: Without dead ends: 5759 [2018-04-12 21:56:06,625 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1217, Invalid=3205, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 21:56:06,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5759 states. [2018-04-12 21:56:06,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5759 to 4272. [2018-04-12 21:56:06,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4272 states. [2018-04-12 21:56:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 5710 transitions. [2018-04-12 21:56:06,652 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 5710 transitions. Word has length 90 [2018-04-12 21:56:06,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:06,652 INFO L459 AbstractCegarLoop]: Abstraction has 4272 states and 5710 transitions. [2018-04-12 21:56:06,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 21:56:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 5710 transitions. [2018-04-12 21:56:06,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:56:06,653 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:06,653 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:06,653 INFO L408 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:06,653 INFO L82 PathProgramCache]: Analyzing trace with hash -571997827, now seen corresponding path program 1 times [2018-04-12 21:56:06,653 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:06,666 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:07,232 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:07,232 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-12 21:56:07,232 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:07,233 INFO L182 omatonBuilderFactory]: Interpolants [216135#false, 216134#true, 216139#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 216138#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 216137#(= 0 main_~root~0.offset), 216136#(= 0 |main_#t~malloc0.offset|), 216143#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 216142#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 216141#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 216140#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 216147#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 216146#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 216145#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 216144#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 216151#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= (+ main_~n~0.offset 4) 0)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)))), 216150#(or (and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1))), 216149#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)), 216148#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)), 216155#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base))), 216154#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 216153#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|))) (and (= main_~n~0.base main_~root~0.base) (not (= (+ main_~n~0.offset 4) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))))), 216152#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= (+ main_~n~0.offset 4) main_~root~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)))), 216159#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 216158#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 216157#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base))), 216156#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 216161#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 216160#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|)))] [2018-04-12 21:56:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:07,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 21:56:07,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 21:56:07,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2018-04-12 21:56:07,234 INFO L87 Difference]: Start difference. First operand 4272 states and 5710 transitions. Second operand 28 states. [2018-04-12 21:56:09,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:09,669 INFO L93 Difference]: Finished difference Result 6117 states and 8004 transitions. [2018-04-12 21:56:09,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-12 21:56:09,669 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 90 [2018-04-12 21:56:09,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:09,672 INFO L225 Difference]: With dead ends: 6117 [2018-04-12 21:56:09,672 INFO L226 Difference]: Without dead ends: 6117 [2018-04-12 21:56:09,673 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1209, Invalid=3903, Unknown=0, NotChecked=0, Total=5112 [2018-04-12 21:56:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6117 states. [2018-04-12 21:56:09,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 4398. [2018-04-12 21:56:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4398 states. [2018-04-12 21:56:09,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 5881 transitions. [2018-04-12 21:56:09,705 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 5881 transitions. Word has length 90 [2018-04-12 21:56:09,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:09,705 INFO L459 AbstractCegarLoop]: Abstraction has 4398 states and 5881 transitions. [2018-04-12 21:56:09,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 21:56:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 5881 transitions. [2018-04-12 21:56:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:56:09,706 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:09,706 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:09,706 INFO L408 AbstractCegarLoop]: === Iteration 87 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:09,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1469403388, now seen corresponding path program 2 times [2018-04-12 21:56:09,707 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:09,720 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:10,079 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:10,079 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-12 21:56:10,079 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:10,080 INFO L182 omatonBuilderFactory]: Interpolants [226767#(= (select |#valid| main_~root~0.base) 1), 226766#false, 226765#true, 226771#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 226770#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 226769#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 226768#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 226775#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 226774#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 226773#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~n~0.offset main_~root~0.offset)), 226772#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 226779#(and (not (= main_~root~0.base |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1)), 226778#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 226777#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 226776#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 226783#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 226782#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 226781#(and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 226780#(and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1)), 226787#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 226786#(and (not (= |main_#t~mem13.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 226785#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 226784#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base))), 226790#(= 1 (select |#valid| main_~n~0.base)), 226789#(= 1 (select |#valid| |main_#t~mem7.base|)), 226788#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))] [2018-04-12 21:56:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:10,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 21:56:10,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 21:56:10,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2018-04-12 21:56:10,080 INFO L87 Difference]: Start difference. First operand 4398 states and 5881 transitions. Second operand 26 states. [2018-04-12 21:56:11,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:11,530 INFO L93 Difference]: Finished difference Result 7039 states and 9231 transitions. [2018-04-12 21:56:11,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 21:56:11,530 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 90 [2018-04-12 21:56:11,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:11,534 INFO L225 Difference]: With dead ends: 7039 [2018-04-12 21:56:11,534 INFO L226 Difference]: Without dead ends: 7039 [2018-04-12 21:56:11,534 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=823, Invalid=3209, Unknown=0, NotChecked=0, Total=4032 [2018-04-12 21:56:11,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7039 states. [2018-04-12 21:56:11,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7039 to 5510. [2018-04-12 21:56:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5510 states. [2018-04-12 21:56:11,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5510 states to 5510 states and 7386 transitions. [2018-04-12 21:56:11,569 INFO L78 Accepts]: Start accepts. Automaton has 5510 states and 7386 transitions. Word has length 90 [2018-04-12 21:56:11,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:11,569 INFO L459 AbstractCegarLoop]: Abstraction has 5510 states and 7386 transitions. [2018-04-12 21:56:11,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 21:56:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 5510 states and 7386 transitions. [2018-04-12 21:56:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:56:11,570 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:11,570 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:11,570 INFO L408 AbstractCegarLoop]: === Iteration 88 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:11,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1469403389, now seen corresponding path program 2 times [2018-04-12 21:56:11,571 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:11,586 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:12,335 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:12,351 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-12 21:56:12,352 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:12,352 INFO L182 omatonBuilderFactory]: Interpolants [239427#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 239426#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 239425#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 239424#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= main_~n~0.offset main_~root~0.offset)), 239431#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 239430#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc17.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~malloc17.base| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 239429#(and (= main_~n~0.base main_~root~0.base) (or (not |main_#t~short16|) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset))) (= 1 (select |#valid| main_~n~0.base))), 239428#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem14.offset|) (= main_~n~0.offset main_~root~0.offset)), 239435#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 239434#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 239433#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 239432#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 239439#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 239438#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 239437#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 239436#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 239443#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 239442#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base))), 239441#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (not (= |main_#t~mem12.base| main_~root~0.base))), 239440#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base))), 239447#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 239446#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 239445#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 239444#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 239419#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)), 239418#(= (select |#valid| main_~root~0.base) 1), 239417#false, 239416#true, 239423#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 239422#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or |main_#t~short4| (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset)))), 239421#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 239420#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 21:56:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:12,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 21:56:12,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 21:56:12,352 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-04-12 21:56:12,352 INFO L87 Difference]: Start difference. First operand 5510 states and 7386 transitions. Second operand 32 states. [2018-04-12 21:56:16,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:16,399 INFO L93 Difference]: Finished difference Result 11474 states and 15111 transitions. [2018-04-12 21:56:16,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-04-12 21:56:16,399 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 90 [2018-04-12 21:56:16,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:16,406 INFO L225 Difference]: With dead ends: 11474 [2018-04-12 21:56:16,406 INFO L226 Difference]: Without dead ends: 11474 [2018-04-12 21:56:16,407 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2560 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1589, Invalid=7917, Unknown=0, NotChecked=0, Total=9506 [2018-04-12 21:56:16,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11474 states. [2018-04-12 21:56:16,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11474 to 9727. [2018-04-12 21:56:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9727 states. [2018-04-12 21:56:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9727 states to 9727 states and 13028 transitions. [2018-04-12 21:56:16,471 INFO L78 Accepts]: Start accepts. Automaton has 9727 states and 13028 transitions. Word has length 90 [2018-04-12 21:56:16,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:16,472 INFO L459 AbstractCegarLoop]: Abstraction has 9727 states and 13028 transitions. [2018-04-12 21:56:16,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 21:56:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 9727 states and 13028 transitions. [2018-04-12 21:56:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:56:16,473 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:16,473 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:16,473 INFO L408 AbstractCegarLoop]: === Iteration 89 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:16,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1784345340, now seen corresponding path program 2 times [2018-04-12 21:56:16,473 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:16,488 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:16,824 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:16,824 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-12 21:56:16,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:16,824 INFO L182 omatonBuilderFactory]: Interpolants [260803#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 260802#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base))), 260801#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 260800#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base))), 260806#(= 1 (select |#valid| main_~n~0.base)), 260805#(= 1 (select |#valid| |main_#t~mem7.base|)), 260804#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 260783#(= (select |#valid| main_~root~0.base) 1), 260782#false, 260781#true, 260787#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 260786#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 260785#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 260784#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 260791#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 260790#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 260789#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~n~0.offset main_~root~0.offset)), 260788#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 260795#(and (not (= main_~root~0.base |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1)), 260794#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 260793#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 260792#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 260799#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 260798#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~malloc17.base|))), 260797#(and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 260796#(and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1))] [2018-04-12 21:56:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:16,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 21:56:16,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 21:56:16,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2018-04-12 21:56:16,825 INFO L87 Difference]: Start difference. First operand 9727 states and 13028 transitions. Second operand 26 states. [2018-04-12 21:56:18,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:18,205 INFO L93 Difference]: Finished difference Result 13936 states and 18371 transitions. [2018-04-12 21:56:18,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-12 21:56:18,205 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 90 [2018-04-12 21:56:18,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:18,214 INFO L225 Difference]: With dead ends: 13936 [2018-04-12 21:56:18,214 INFO L226 Difference]: Without dead ends: 13936 [2018-04-12 21:56:18,214 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=852, Invalid=3438, Unknown=0, NotChecked=0, Total=4290 [2018-04-12 21:56:18,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13936 states. [2018-04-12 21:56:18,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13936 to 11615. [2018-04-12 21:56:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11615 states. [2018-04-12 21:56:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11615 states to 11615 states and 15551 transitions. [2018-04-12 21:56:18,292 INFO L78 Accepts]: Start accepts. Automaton has 11615 states and 15551 transitions. Word has length 90 [2018-04-12 21:56:18,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:18,292 INFO L459 AbstractCegarLoop]: Abstraction has 11615 states and 15551 transitions. [2018-04-12 21:56:18,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 21:56:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 11615 states and 15551 transitions. [2018-04-12 21:56:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 21:56:18,293 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:18,293 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:18,293 INFO L408 AbstractCegarLoop]: === Iteration 90 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:18,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1784345341, now seen corresponding path program 2 times [2018-04-12 21:56:18,294 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:18,306 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:19,219 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:19,219 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-12 21:56:19,219 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:19,219 INFO L182 omatonBuilderFactory]: Interpolants [286468#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 286469#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 286470#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 286471#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 286464#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0)), 286465#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 286466#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 286467#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 286438#true, 286439#false, 286444#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 286445#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 286446#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 286447#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 286440#(= 0 |main_#t~malloc0.offset|), 286441#(= main_~root~0.offset 0), 286442#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 286443#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 286452#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 286453#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 286454#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 286455#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 286448#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 286449#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 286450#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 8 (select |#length| |main_#t~malloc17.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 286451#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 286460#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 286461#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 286462#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|))), 286463#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 286456#(and (= |main_#t~mem3.offset| 0) (or (= |main_#t~mem3.base| 0) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 286457#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (not |main_#t~short4|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 286458#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 286459#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))] [2018-04-12 21:56:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:19,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-12 21:56:19,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-12 21:56:19,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=966, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 21:56:19,220 INFO L87 Difference]: Start difference. First operand 11615 states and 15551 transitions. Second operand 34 states. [2018-04-12 21:56:21,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:21,731 INFO L93 Difference]: Finished difference Result 12312 states and 16409 transitions. [2018-04-12 21:56:21,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-12 21:56:21,731 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 90 [2018-04-12 21:56:21,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:21,738 INFO L225 Difference]: With dead ends: 12312 [2018-04-12 21:56:21,738 INFO L226 Difference]: Without dead ends: 12312 [2018-04-12 21:56:21,739 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1269 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=788, Invalid=4324, Unknown=0, NotChecked=0, Total=5112 [2018-04-12 21:56:21,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12312 states. [2018-04-12 21:56:21,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12312 to 11912. [2018-04-12 21:56:21,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11912 states. [2018-04-12 21:56:21,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11912 states to 11912 states and 15947 transitions. [2018-04-12 21:56:21,813 INFO L78 Accepts]: Start accepts. Automaton has 11912 states and 15947 transitions. Word has length 90 [2018-04-12 21:56:21,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:21,814 INFO L459 AbstractCegarLoop]: Abstraction has 11912 states and 15947 transitions. [2018-04-12 21:56:21,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-12 21:56:21,814 INFO L276 IsEmpty]: Start isEmpty. Operand 11912 states and 15947 transitions. [2018-04-12 21:56:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-04-12 21:56:21,815 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:21,815 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:21,815 INFO L408 AbstractCegarLoop]: === Iteration 91 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:21,815 INFO L82 PathProgramCache]: Analyzing trace with hash -674335245, now seen corresponding path program 3 times [2018-04-12 21:56:21,815 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:21,823 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:22,247 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 52 proven. 63 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:56:22,248 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:22,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-12 21:56:22,248 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:22,248 INFO L182 omatonBuilderFactory]: Interpolants [310788#(and (not (= 0 main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 310789#(and (not (= 0 main_~pred~0.base)) (= main_~n~0.offset 0)), 310790#(and (= main_~n~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))))), 310791#(and (<= main_~pred~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))))), 310784#(and (not (= 0 main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 310785#(and (not (= 0 main_~root~0.base)) (= main_~root~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 |main_~#sentinel~0.offset|)), 310786#(and (not (= 0 main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 310787#(and (not (= 0 main_~n~0.base)) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 310796#(not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 310797#(not (= 0 |main_#t~mem20.base|)), 310798#(not (= 0 main_~succ~0.base)), 310799#(not (= 0 main_~n~0.base)), 310792#(and (or (not (= main_~n~0.offset 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (<= main_~n~0.offset 0)), 310793#(and (<= main_~n~0.offset 0) (not (= 0 |main_#t~mem21.base|)) (<= 0 main_~n~0.offset)), 310794#(and (<= main_~n~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 0 main_~n~0.offset)), 310795#(not (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))), 310772#true, 310773#false, 310774#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 310775#(and (not (= 0 main_~root~0.base)) (= main_~root~0.offset 0)), 310780#(and (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 310781#(and (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 310782#(and (or (not (= main_~n~0.base |main_#t~mem13.base|)) (and (<= main_~n~0.offset |main_#t~mem13.offset|) (= main_~n~0.offset main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (not (= 0 main_~root~0.base)) (= main_~root~0.offset 0)), 310783#(and (not (= 0 main_~root~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~n~0.offset) 0) (= main_~n~0.offset main_~root~0.offset))) (= main_~root~0.offset 0)), 310776#(and (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 310777#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= 0 main_~root~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 310778#(and (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 310779#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 21:56:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 52 proven. 63 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:56:22,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 21:56:22,248 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 21:56:22,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2018-04-12 21:56:22,249 INFO L87 Difference]: Start difference. First operand 11912 states and 15947 transitions. Second operand 28 states. [2018-04-12 21:56:23,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:23,782 INFO L93 Difference]: Finished difference Result 12772 states and 16961 transitions. [2018-04-12 21:56:23,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 21:56:23,783 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 91 [2018-04-12 21:56:23,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:23,790 INFO L225 Difference]: With dead ends: 12772 [2018-04-12 21:56:23,790 INFO L226 Difference]: Without dead ends: 12772 [2018-04-12 21:56:23,790 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=594, Invalid=3438, Unknown=0, NotChecked=0, Total=4032 [2018-04-12 21:56:23,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12772 states. [2018-04-12 21:56:23,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12772 to 11912. [2018-04-12 21:56:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11912 states. [2018-04-12 21:56:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11912 states to 11912 states and 15946 transitions. [2018-04-12 21:56:23,864 INFO L78 Accepts]: Start accepts. Automaton has 11912 states and 15946 transitions. Word has length 91 [2018-04-12 21:56:23,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:23,864 INFO L459 AbstractCegarLoop]: Abstraction has 11912 states and 15946 transitions. [2018-04-12 21:56:23,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 21:56:23,864 INFO L276 IsEmpty]: Start isEmpty. Operand 11912 states and 15946 transitions. [2018-04-12 21:56:23,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-04-12 21:56:23,865 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:23,865 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:23,865 INFO L408 AbstractCegarLoop]: === Iteration 92 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:23,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1685452495, now seen corresponding path program 4 times [2018-04-12 21:56:23,866 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:23,879 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 15 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:25,291 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:25,291 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-12 21:56:25,291 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:25,291 INFO L182 omatonBuilderFactory]: Interpolants [335557#false, 335556#true, 335559#(= main_~root~0.offset 0), 335558#(= 0 |main_#t~malloc0.offset|), 335565#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset 0) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 335564#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 335567#(and (= main_~n~0.offset 0) (= |main_#t~mem13.offset| 0) (or (= main_~n~0.base |main_#t~mem13.base|) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (or (and (= |main_#t~mem13.base| main_~root~0.base) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base)) (not (= main_~n~0.base |main_#t~mem13.base|))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 335566#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset 0) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 335561#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 335560#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 335563#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset 0) (= 0 |main_#t~malloc11.offset|) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 335562#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 335573#(and (= 0 main_~n~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~succ~0.base)) (not (= main_~pred~0.base 0)) (= 0 main_~succ~0.offset)), 335572#(and (= 0 |main_#t~mem20.offset|) (= 0 main_~n~0.offset) (not (= main_~pred~0.base 0)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base |main_#t~mem20.base|))), 335575#(and (not (= main_~pred~0.base 0)) (= 0 main_~succ~0.offset) (= main_~n~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~succ~0.base))), 335574#(and (not (= main_~pred~0.base 0)) (= 0 main_~succ~0.offset) (= main_~n~0.offset 0) (or (= main_~n~0.base main_~succ~0.base) (and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|)))), 335569#(and (or (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~root~0.base) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0)), 335568#(and (= main_~n~0.offset 0) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~n~0.offset) main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~n~0.offset)) (= main_~root~0.offset 0)), 335571#(and (= 0 main_~n~0.offset) (not (= main_~pred~0.base 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 335570#(and (or (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~root~0.base) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| 0))), 335581#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))))), 335580#(and (= 0 main_~pred~0.offset) (= main_~n~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) 0)) (not (= main_~pred~0.base main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)))), 335583#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))))), 335582#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4)) main_~pred~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4))) 0)))) (= 0 main_~pred~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4)))), 335577#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 main_~pred~0.offset) (= main_~n~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~n~0.offset 4)) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) 0)))))), 335576#(and (= 0 main_~n~0.offset) (= 0 main_~succ~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)) 0)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~succ~0.base))), 335579#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~n~0.offset 4)) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) 0)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 0 main_~pred~0.offset) (= main_~n~0.offset 0)), 335578#(and (= 0 main_~pred~0.offset) (= main_~n~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~n~0.offset 4)) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) 0))))), 335589#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 335588#(and (or (not (= main_~n~0.base 0)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)) (or (not (= main_~n~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)))), 335591#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)) (not (= main_~n~0.base main_~succ~0.base))), 335590#(and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))), 335585#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (or (not (= main_~succ~0.base 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 335584#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (or (not (= |main_#t~mem20.base| 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 335587#(and (= main_~n~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (not (= main_~succ~0.base 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 335586#(and (= 0 |main_#t~mem21.offset|) (or (not (= main_~succ~0.base 0)) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) 0)) (not (= main_~n~0.base |main_#t~mem21.base|)))) (= main_~n~0.offset 0)), 335597#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base)), 335596#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 335593#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 335592#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))), 335595#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 335594#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))] [2018-04-12 21:56:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 15 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:25,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 21:56:25,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 21:56:25,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1609, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 21:56:25,292 INFO L87 Difference]: Start difference. First operand 11912 states and 15946 transitions. Second operand 42 states. [2018-04-12 21:56:28,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:28,241 INFO L93 Difference]: Finished difference Result 11979 states and 16013 transitions. [2018-04-12 21:56:28,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 21:56:28,241 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 91 [2018-04-12 21:56:28,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:28,249 INFO L225 Difference]: With dead ends: 11979 [2018-04-12 21:56:28,249 INFO L226 Difference]: Without dead ends: 11979 [2018-04-12 21:56:28,249 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=627, Invalid=6179, Unknown=0, NotChecked=0, Total=6806 [2018-04-12 21:56:28,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11979 states. [2018-04-12 21:56:28,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11979 to 11954. [2018-04-12 21:56:28,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11954 states. [2018-04-12 21:56:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11954 states to 11954 states and 15988 transitions. [2018-04-12 21:56:28,320 INFO L78 Accepts]: Start accepts. Automaton has 11954 states and 15988 transitions. Word has length 91 [2018-04-12 21:56:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:28,320 INFO L459 AbstractCegarLoop]: Abstraction has 11954 states and 15988 transitions. [2018-04-12 21:56:28,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 21:56:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 11954 states and 15988 transitions. [2018-04-12 21:56:28,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-04-12 21:56:28,321 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:28,321 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:28,322 INFO L408 AbstractCegarLoop]: === Iteration 93 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:28,322 INFO L82 PathProgramCache]: Analyzing trace with hash 721308019, now seen corresponding path program 4 times [2018-04-12 21:56:28,322 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:28,332 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:28,732 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:28,732 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-12 21:56:28,733 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:28,733 INFO L182 omatonBuilderFactory]: Interpolants [359621#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 359620#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 359623#(and (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 359622#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 359617#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 359616#(= main_~root~0.offset 0), 359619#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= |main_#t~malloc17.offset| 0)), 359618#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 359629#(and (= 1 (select |#valid| main_~pred~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 359628#(and (= main_~n~0.offset 0) (= 1 (select |#valid| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 359631#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 1 (select |#valid| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|)), 359630#(and (= 1 (select |#valid| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 359625#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 359624#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 359627#(and (= main_~n~0.offset 0) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 359626#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|)), 359637#(and (= main_~n~0.offset 0) (= 1 (select |#valid| |main_#t~mem21.base|))), 359636#(and (= 0 main_~pred~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))))), 359639#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))), 359638#(and (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 359633#(and (= 1 (select |#valid| main_~pred~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 359632#(and (= 1 (select |#valid| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 359635#(and (= 0 main_~n~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))))), 359634#(and (= 0 main_~n~0.offset) (= 1 (select |#valid| main_~pred~0.base))), 359641#(= 1 (select |#valid| |main_#t~mem20.base|)), 359640#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 359643#(= 1 (select |#valid| main_~n~0.base)), 359642#(= 1 (select |#valid| main_~succ~0.base)), 359613#true, 359615#(= 0 |main_#t~malloc0.offset|), 359614#false] [2018-04-12 21:56:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:28,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-12 21:56:28,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-12 21:56:28,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2018-04-12 21:56:28,733 INFO L87 Difference]: Start difference. First operand 11954 states and 15988 transitions. Second operand 31 states. [2018-04-12 21:56:31,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:31,130 INFO L93 Difference]: Finished difference Result 15101 states and 19875 transitions. [2018-04-12 21:56:31,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-12 21:56:31,130 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 91 [2018-04-12 21:56:31,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:31,143 INFO L225 Difference]: With dead ends: 15101 [2018-04-12 21:56:31,144 INFO L226 Difference]: Without dead ends: 15101 [2018-04-12 21:56:31,144 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 6 SyntacticMatches, 5 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1765 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1006, Invalid=6134, Unknown=0, NotChecked=0, Total=7140 [2018-04-12 21:56:31,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15101 states. [2018-04-12 21:56:31,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15101 to 11977. [2018-04-12 21:56:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11977 states. [2018-04-12 21:56:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11977 states to 11977 states and 16014 transitions. [2018-04-12 21:56:31,223 INFO L78 Accepts]: Start accepts. Automaton has 11977 states and 16014 transitions. Word has length 91 [2018-04-12 21:56:31,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:31,223 INFO L459 AbstractCegarLoop]: Abstraction has 11977 states and 16014 transitions. [2018-04-12 21:56:31,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-12 21:56:31,224 INFO L276 IsEmpty]: Start isEmpty. Operand 11977 states and 16014 transitions. [2018-04-12 21:56:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-04-12 21:56:31,225 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:31,225 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:31,225 INFO L408 AbstractCegarLoop]: === Iteration 94 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:31,225 INFO L82 PathProgramCache]: Analyzing trace with hash 721308020, now seen corresponding path program 2 times [2018-04-12 21:56:31,225 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:31,233 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:31,834 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:31,834 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-12 21:56:31,834 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:31,834 INFO L182 omatonBuilderFactory]: Interpolants [386831#false, 386830#true, 386837#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 386836#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= |main_#t~malloc17.offset| 0)), 386839#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 386838#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 386833#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 386832#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 386835#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 386834#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 386845#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 386844#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 386847#(and (= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 8 (select |#length| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|)), 386846#(and (= 0 main_~pred~0.offset) (= 0 |main_~#sentinel~0.offset|) (= 8 (select |#length| main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 386841#(and (= main_~root~0.offset 0) (or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~root~0.base)) (= 0 |main_~#sentinel~0.offset|)))), 386840#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 386843#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 386842#(and (= main_~n~0.offset 0) (or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)))), 386853#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| 0) (= |main_~#sentinel~0.offset| main_~n~0.offset)) (<= (+ main_~n~0.offset 1) 0)), 386852#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))) (= 0 |main_~#sentinel~0.offset|)), 386855#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 386854#(and (= 0 |main_#t~mem21.offset|) (= 8 (select |#length| |main_#t~mem21.base|)) (= |main_~#sentinel~0.offset| 0) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 386849#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= 8 (select |#length| main_~pred~0.base)))), 386848#(and (= 0 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 386851#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 386850#(and (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= 8 (select |#length| main_~pred~0.base))), 386861#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 386860#(and (= 8 (select |#length| main_~succ~0.base)) (= 0 main_~succ~0.offset)), 386857#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 386856#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 386859#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 386858#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))] [2018-04-12 21:56:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:31,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 21:56:31,835 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 21:56:31,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2018-04-12 21:56:31,835 INFO L87 Difference]: Start difference. First operand 11977 states and 16014 transitions. Second operand 32 states. [2018-04-12 21:56:35,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:35,162 INFO L93 Difference]: Finished difference Result 15209 states and 19993 transitions. [2018-04-12 21:56:35,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-04-12 21:56:35,162 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 91 [2018-04-12 21:56:35,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:35,171 INFO L225 Difference]: With dead ends: 15209 [2018-04-12 21:56:35,171 INFO L226 Difference]: Without dead ends: 15209 [2018-04-12 21:56:35,172 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1828 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=970, Invalid=6686, Unknown=0, NotChecked=0, Total=7656 [2018-04-12 21:56:35,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15209 states. [2018-04-12 21:56:35,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15209 to 11976. [2018-04-12 21:56:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11976 states. [2018-04-12 21:56:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11976 states to 11976 states and 16012 transitions. [2018-04-12 21:56:35,251 INFO L78 Accepts]: Start accepts. Automaton has 11976 states and 16012 transitions. Word has length 91 [2018-04-12 21:56:35,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:35,251 INFO L459 AbstractCegarLoop]: Abstraction has 11976 states and 16012 transitions. [2018-04-12 21:56:35,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 21:56:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 11976 states and 16012 transitions. [2018-04-12 21:56:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-12 21:56:35,252 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:35,252 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:35,252 INFO L408 AbstractCegarLoop]: === Iteration 95 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:35,253 INFO L82 PathProgramCache]: Analyzing trace with hash 885711135, now seen corresponding path program 1 times [2018-04-12 21:56:35,253 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:35,260 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:36,081 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:36,081 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-12 21:56:36,081 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:36,081 INFO L182 omatonBuilderFactory]: Interpolants [414159#true, 414166#(and (or (and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset |main_#t~malloc17.offset|) (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414167#(and (or (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414164#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 414165#(and (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 414162#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 414163#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0)), 414160#false, 414161#(= 0 (select |#valid| 0)), 414174#(and (or (and (= main_~n~0.offset 0) (not (= |main_~#sentinel~0.base| main_~n~0.base)) (= main_~root~0.offset |main_#t~mem21.offset|)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414175#(and (or (and (= main_~n~0.offset 0) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= |main_~#sentinel~0.base| main_~n~0.base))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414172#(and (= main_~root~0.offset 0) (or (and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| 0)))), 414173#(and (or (= 1 (select |#valid| 0)) (and (= main_~n~0.offset 0) (not (= |main_~#sentinel~0.base| main_~n~0.base)) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 414170#(and (or (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414171#(and (= main_~root~0.offset 0) (or (and (= |main_~#sentinel~0.offset| main_~root~0.offset) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| 0)))), 414168#(and (= main_~root~0.offset 0) (or (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| 0)))), 414169#(and (= main_~root~0.offset 0) (or (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| main_~root~0.base))) (= 1 (select |#valid| 0)))), 414182#(and (= main_~root~0.offset 0) (or (and (= main_~root~0.offset main_~pred~0.offset) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~root~0.offset 4))))) (= 1 (select |#valid| 0)))), 414183#(and (or (= 1 (select |#valid| 0)) (and (not (= |main_~#sentinel~0.base| |main_#t~mem21.base|)) (= main_~n~0.offset 0))) (= main_~root~0.offset 0)), 414180#(and (or (and (not (= |main_~#sentinel~0.base| main_~pred~0.base)) (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414181#(and (or (and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414178#(and (or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset |main_#t~mem20.offset|) (not (= |main_~#sentinel~0.base| main_~n~0.base)))) (= main_~root~0.offset 0)), 414179#(and (or (and (not (= |main_~#sentinel~0.base| main_~n~0.base)) (= main_~root~0.offset main_~succ~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414176#(and (or (and (not (= |main_~#sentinel~0.base| main_~pred~0.base)) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414177#(and (or (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= |main_~#sentinel~0.base| main_~n~0.base))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414190#(and (= 1 (select |#valid| 0)) (= main_~root~0.offset 0)), 414191#(= 1 (select |#valid| 0)), 414188#(and (or (not (= |main_~#sentinel~0.base| main_~succ~0.base)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 414189#(and (or (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| main_~n~0.base))) (= main_~root~0.offset 0)), 414186#(and (or (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~root~0.offset 0)), 414187#(and (or (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| |main_#t~mem20.base|))) (= main_~root~0.offset 0)), 414184#(and (= main_~root~0.offset 0) (or (and (= main_~n~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| 0)))), 414185#(and (or (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)))) (= main_~root~0.offset 0))] [2018-04-12 21:56:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:36,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 21:56:36,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 21:56:36,082 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=948, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 21:56:36,082 INFO L87 Difference]: Start difference. First operand 11976 states and 16012 transitions. Second operand 33 states. [2018-04-12 21:56:38,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:38,956 INFO L93 Difference]: Finished difference Result 15013 states and 19788 transitions. [2018-04-12 21:56:38,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-12 21:56:38,957 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 92 [2018-04-12 21:56:38,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:38,967 INFO L225 Difference]: With dead ends: 15013 [2018-04-12 21:56:38,968 INFO L226 Difference]: Without dead ends: 15013 [2018-04-12 21:56:38,968 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 5 SyntacticMatches, 7 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1432 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=858, Invalid=5784, Unknown=0, NotChecked=0, Total=6642 [2018-04-12 21:56:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15013 states. [2018-04-12 21:56:39,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15013 to 11974. [2018-04-12 21:56:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11974 states. [2018-04-12 21:56:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11974 states to 11974 states and 16009 transitions. [2018-04-12 21:56:39,048 INFO L78 Accepts]: Start accepts. Automaton has 11974 states and 16009 transitions. Word has length 92 [2018-04-12 21:56:39,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:39,048 INFO L459 AbstractCegarLoop]: Abstraction has 11974 states and 16009 transitions. [2018-04-12 21:56:39,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 21:56:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 11974 states and 16009 transitions. [2018-04-12 21:56:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-12 21:56:39,049 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:39,049 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:39,049 INFO L408 AbstractCegarLoop]: === Iteration 96 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:39,049 INFO L82 PathProgramCache]: Analyzing trace with hash -267104080, now seen corresponding path program 1 times [2018-04-12 21:56:39,049 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:39,059 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:39,986 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:39,986 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-12 21:56:39,987 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:39,987 INFO L182 omatonBuilderFactory]: Interpolants [441286#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 441287#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 441284#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 441285#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 441282#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 441283#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 441280#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 441281#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 441294#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= 8 (select |#length| main_~n~0.base)) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not |main_#t~short4|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 441295#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 441292#(and (= 0 main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 441293#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 441290#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 441291#(and (= 0 main_~root~0.offset) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 441288#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 441289#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 441302#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 441303#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base)))) (not (= main_~n~0.base |main_#t~mem12.base|))), 441300#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base))), 441301#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 441298#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| main_~n~0.base)) (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset main_~root~0.offset)) (not (= 0 |main_#t~mem2.base|))) (and (= main_~n~0.base main_~root~0.base) (or (and (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (= main_~n~0.offset main_~root~0.offset)) (not (= 0 |main_#t~mem2.base|))) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))))))), 441299#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) |main_#t~short4|)), 441296#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0))) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 441297#(or (and (= 8 (select |#length| main_~n~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (= main_~n~0.offset main_~root~0.offset)) (and (= main_~n~0.base main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not (= main_~n~0.offset 0)))) (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 441310#(and (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| |main_#t~mem20.base|))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 441311#(and (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~succ~0.base))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 441308#(or (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base))), 441309#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 441306#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 441307#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 441304#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 441305#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 441314#(= 1 (select |#valid| main_~n~0.base)), 441312#(and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (or (= 1 (select |#valid| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base))), 441313#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (= 1 (select |#valid| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base))), 441278#false, 441279#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 441277#true] [2018-04-12 21:56:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:39,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-12 21:56:39,987 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-12 21:56:39,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1218, Unknown=0, NotChecked=0, Total=1406 [2018-04-12 21:56:39,988 INFO L87 Difference]: Start difference. First operand 11974 states and 16009 transitions. Second operand 38 states. [2018-04-12 21:56:46,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:46,779 INFO L93 Difference]: Finished difference Result 16845 states and 22161 transitions. [2018-04-12 21:56:46,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-04-12 21:56:46,779 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 93 [2018-04-12 21:56:46,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:46,789 INFO L225 Difference]: With dead ends: 16845 [2018-04-12 21:56:46,790 INFO L226 Difference]: Without dead ends: 16845 [2018-04-12 21:56:46,790 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6075 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=3182, Invalid=16278, Unknown=0, NotChecked=0, Total=19460 [2018-04-12 21:56:46,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16845 states. [2018-04-12 21:56:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16845 to 12552. [2018-04-12 21:56:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12552 states. [2018-04-12 21:56:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 16799 transitions. [2018-04-12 21:56:46,878 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 16799 transitions. Word has length 93 [2018-04-12 21:56:46,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:46,879 INFO L459 AbstractCegarLoop]: Abstraction has 12552 states and 16799 transitions. [2018-04-12 21:56:46,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-12 21:56:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 16799 transitions. [2018-04-12 21:56:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-12 21:56:46,880 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:46,880 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:46,880 INFO L408 AbstractCegarLoop]: === Iteration 97 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:46,880 INFO L82 PathProgramCache]: Analyzing trace with hash -267104079, now seen corresponding path program 1 times [2018-04-12 21:56:46,880 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:46,891 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:47,739 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:47,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-12 21:56:47,739 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:47,740 INFO L182 omatonBuilderFactory]: Interpolants [470919#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 470918#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 470917#false, 470916#true, 470927#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 470926#(and (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 470925#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 470924#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 470923#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 470922#(and (not (= |main_#t~malloc11.base| 0)) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 470921#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 470920#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 470935#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1)) (and (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 8 (select |#length| main_~n~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 470934#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1)) (<= (+ main_~n~0.offset 1) 0) (and (or (<= 1 main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))) (= 8 (select |#length| main_~n~0.base)))), 470933#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 470932#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 470931#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 470930#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 main_~root~0.offset) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 470929#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 470928#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 470943#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0))), 470942#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8))), 470941#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0))), 470940#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= |main_#t~mem12.base| main_~root~0.base))) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8))) (not (= main_~n~0.base |main_#t~mem12.base|))), 470939#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)))), 470938#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)))), 470937#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1)) (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 470936#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1)) (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) |main_#t~short4|)), 470951#(and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 470950#(and (= 0 main_~succ~0.offset) (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 470949#(and (= 0 main_~succ~0.offset) (or (= 8 (select |#length| main_~succ~0.base)) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 470948#(and (= 0 |main_#t~mem20.offset|) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| |main_#t~mem20.base|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 470947#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 470946#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 470945#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 470944#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)), 470952#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))] [2018-04-12 21:56:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:47,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 21:56:47,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 21:56:47,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1139, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 21:56:47,740 INFO L87 Difference]: Start difference. First operand 12552 states and 16799 transitions. Second operand 37 states. [2018-04-12 21:56:52,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:52,791 INFO L93 Difference]: Finished difference Result 15599 states and 20560 transitions. [2018-04-12 21:56:52,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-04-12 21:56:52,792 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 93 [2018-04-12 21:56:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:52,802 INFO L225 Difference]: With dead ends: 15599 [2018-04-12 21:56:52,802 INFO L226 Difference]: Without dead ends: 15599 [2018-04-12 21:56:52,803 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3775 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2185, Invalid=10697, Unknown=0, NotChecked=0, Total=12882 [2018-04-12 21:56:52,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15599 states. [2018-04-12 21:56:52,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15599 to 12674. [2018-04-12 21:56:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12674 states. [2018-04-12 21:56:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12674 states to 12674 states and 16953 transitions. [2018-04-12 21:56:52,890 INFO L78 Accepts]: Start accepts. Automaton has 12674 states and 16953 transitions. Word has length 93 [2018-04-12 21:56:52,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:52,890 INFO L459 AbstractCegarLoop]: Abstraction has 12674 states and 16953 transitions. [2018-04-12 21:56:52,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 21:56:52,890 INFO L276 IsEmpty]: Start isEmpty. Operand 12674 states and 16953 transitions. [2018-04-12 21:56:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-12 21:56:52,891 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:52,891 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:52,891 INFO L408 AbstractCegarLoop]: === Iteration 98 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:52,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1960013488, now seen corresponding path program 1 times [2018-04-12 21:56:52,891 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:52,908 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:53,437 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:53,437 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-12 21:56:53,438 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:53,438 INFO L182 omatonBuilderFactory]: Interpolants [499399#(or (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= (+ main_~n~0.offset 4) main_~root~0.offset)))), 499398#(or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~n~0.offset 4) main_~root~0.offset)))), 499397#(or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (or (<= (+ main_~n~0.offset 1) 0) (not (= (+ main_~n~0.offset 4) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1))), 499396#(and (= (select |#valid| main_~root~0.base) 1) (<= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 499395#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 499394#(and (= 0 main_~root~0.offset) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 499393#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 499392#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 499407#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (or (and (= 0 main_~succ~0.offset) (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~succ~0.base)))), 499406#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (or (= 1 (select |#valid| |main_#t~mem20.base|)) (and (= 0 |main_#t~mem20.offset|) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 499405#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 499404#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 499403#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 499402#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))), 499401#(and (not (= |main_#t~mem18.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 499400#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 499411#(= 1 (select |#valid| main_~n~0.base)), 499410#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 1 (select |#valid| main_~n~0.base))), 499409#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (or (and (= main_~n~0.offset 0) (= 0 main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base)))), 499408#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (= 1 (select |#valid| main_~succ~0.base)))), 499383#(= 0 main_~root~0.offset), 499382#(= 0 |main_#t~malloc0.offset|), 499381#false, 499380#true, 499391#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 499390#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 499389#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 499388#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 499387#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 499386#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 499385#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 499384#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1))] [2018-04-12 21:56:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:53,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 21:56:53,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 21:56:53,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2018-04-12 21:56:53,438 INFO L87 Difference]: Start difference. First operand 12674 states and 16953 transitions. Second operand 32 states. [2018-04-12 21:56:56,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:56:56,070 INFO L93 Difference]: Finished difference Result 16805 states and 22216 transitions. [2018-04-12 21:56:56,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-12 21:56:56,071 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 93 [2018-04-12 21:56:56,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:56:56,081 INFO L225 Difference]: With dead ends: 16805 [2018-04-12 21:56:56,081 INFO L226 Difference]: Without dead ends: 16805 [2018-04-12 21:56:56,082 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2626 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2133, Invalid=6797, Unknown=0, NotChecked=0, Total=8930 [2018-04-12 21:56:56,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16805 states. [2018-04-12 21:56:56,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16805 to 14080. [2018-04-12 21:56:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14080 states. [2018-04-12 21:56:56,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14080 states to 14080 states and 18904 transitions. [2018-04-12 21:56:56,219 INFO L78 Accepts]: Start accepts. Automaton has 14080 states and 18904 transitions. Word has length 93 [2018-04-12 21:56:56,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:56:56,220 INFO L459 AbstractCegarLoop]: Abstraction has 14080 states and 18904 transitions. [2018-04-12 21:56:56,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 21:56:56,220 INFO L276 IsEmpty]: Start isEmpty. Operand 14080 states and 18904 transitions. [2018-04-12 21:56:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-12 21:56:56,221 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:56:56,221 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:56:56,221 INFO L408 AbstractCegarLoop]: === Iteration 99 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:56:56,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1960013489, now seen corresponding path program 1 times [2018-04-12 21:56:56,222 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:56:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:56:56,238 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:56:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:56,905 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:56:56,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-12 21:56:56,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:56:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:56,905 INFO L182 omatonBuilderFactory]: Interpolants [530440#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (<= main_~root~0.offset 0)), 530441#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= main_~n~0.base main_~root~0.base) (or (<= (+ main_~n~0.offset 1) 0) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select |#valid| main_~root~0.base) 1)), 530442#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))) (= 1 (select |#valid| main_~n~0.base))), 530443#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (or (and (= main_~n~0.base main_~root~0.base) (not (= (+ main_~n~0.offset 4) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|))))), 530444#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 530445#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base))), 530446#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 530447#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base))), 530432#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 530433#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 530434#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 530435#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 530436#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 530437#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)), 530438#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)), 530439#(and (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 530448#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))), 530449#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| 0) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 530450#(and (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 530451#(and (= 0 |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| 0) (or (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 530452#(and (= 0 main_~succ~0.offset) (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| 0)), 530453#(and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| 0)), 530454#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 530424#false, 530425#(= 0 |main_#t~malloc0.offset|), 530426#(= 0 main_~root~0.offset), 530427#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 530428#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= main_~n~0.offset main_~root~0.offset)), 530429#(and (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 530430#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 530431#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 530423#true] [2018-04-12 21:56:56,906 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:56:56,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 21:56:56,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 21:56:56,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2018-04-12 21:56:56,906 INFO L87 Difference]: Start difference. First operand 14080 states and 18904 transitions. Second operand 32 states. [2018-04-12 21:57:00,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:57:00,324 INFO L93 Difference]: Finished difference Result 18668 states and 24639 transitions. [2018-04-12 21:57:00,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-04-12 21:57:00,324 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 93 [2018-04-12 21:57:00,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:57:00,335 INFO L225 Difference]: With dead ends: 18668 [2018-04-12 21:57:00,335 INFO L226 Difference]: Without dead ends: 18668 [2018-04-12 21:57:00,336 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2040 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1694, Invalid=6496, Unknown=0, NotChecked=0, Total=8190 [2018-04-12 21:57:00,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18668 states. [2018-04-12 21:57:00,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18668 to 14119. [2018-04-12 21:57:00,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14119 states. [2018-04-12 21:57:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14119 states to 14119 states and 18948 transitions. [2018-04-12 21:57:00,437 INFO L78 Accepts]: Start accepts. Automaton has 14119 states and 18948 transitions. Word has length 93 [2018-04-12 21:57:00,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:57:00,437 INFO L459 AbstractCegarLoop]: Abstraction has 14119 states and 18948 transitions. [2018-04-12 21:57:00,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 21:57:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 14119 states and 18948 transitions. [2018-04-12 21:57:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-12 21:57:00,439 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:57:00,439 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:57:00,439 INFO L408 AbstractCegarLoop]: === Iteration 100 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:57:00,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1911600562, now seen corresponding path program 3 times [2018-04-12 21:57:00,439 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:57:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:57:00,457 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:57:01,761 WARN L151 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 60 DAG size of output 38 [2018-04-12 21:57:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 8 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:02,117 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:57:02,117 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-12 21:57:02,117 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:57:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:02,118 INFO L182 omatonBuilderFactory]: Interpolants [563400#(= 1 (select |#valid| main_~n~0.base)), 563392#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset))) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= 1 main_~n~0.offset)))) (= main_~root~0.offset 0)), 563393#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= main_~root~0.offset (+ |main_#t~mem19.offset| 4))) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)))) (= main_~root~0.offset 0)), 563394#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 563395#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 563396#(or (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 563397#(or (not |main_#t~short4|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 563398#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 563399#(= 1 (select |#valid| |main_#t~mem7.base|)), 563368#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0)), 563369#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 563370#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 563371#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~malloc17.offset| main_~root~0.offset)), 563372#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 563373#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.offset) (= main_~root~0.offset main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 563374#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#length| main_~root~0.base) 8) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) main_~root~0.offset)), 563375#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#length| main_~root~0.base) 8) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) main_~root~0.offset)), 563360#true, 563361#false, 563362#(and (= (select |#length| |main_#t~malloc0.base|) 8) (= |main_#t~malloc0.offset| 0)), 563363#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 563364#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 563365#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 563366#(and (not (= |main_#t~malloc11.base| 0)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 563367#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 563384#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= 1 main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) 0)) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= |main_#t~mem12.base| main_~root~0.base)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~n~0.offset 0)) (= (select |#length| main_~root~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 563385#(and (or (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)) (= (select |#length| main_~root~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select |#memory_$Pointer$.base| main_~root~0.base))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= 1 main_~n~0.offset)))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 563386#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~mem13.base|)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= (select |#length| main_~root~0.base) (select |#length| |main_#t~mem13.base|))) (and (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= 1 main_~n~0.offset)))) (= main_~root~0.offset 0)), 563387#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= 1 main_~n~0.offset))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 563388#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= 1 main_~n~0.offset)) (= main_~root~0.offset 0)), 563389#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= |main_#t~malloc17.base| main_~root~0.base) (= 0 |main_#t~malloc17.offset|)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= 1 main_~n~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|)))) (= main_~root~0.offset 0)), 563390#(and (or (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= 1 main_~n~0.offset)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 563391#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= 1 main_~n~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base)))) (= main_~root~0.offset 0)), 563376#(and (= (select |#length| main_~root~0.base) 8) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 563377#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~root~0.base) 8) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| |main_#t~mem7.base|)) (= |main_#t~mem7.offset| 0)), 563378#(and (= main_~root~0.offset 0) (or (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select |#valid| main_~n~0.base) 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (not (= 1 main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#length| main_~root~0.base) 8) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0)))))), 563379#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select |#valid| main_~n~0.base) 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (not (= 1 main_~n~0.offset))) (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#length| main_~root~0.base) 8))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 563380#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select |#valid| main_~n~0.base) 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (not (= 1 main_~n~0.offset))) (and (= main_~n~0.base main_~root~0.base) (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) |main_#t~short4|) (= (select |#length| main_~root~0.base) 8))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 563381#(and (or (and (= main_~n~0.base main_~root~0.base) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select |#valid| main_~n~0.base) 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (not (= 1 main_~n~0.offset)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 563382#(and (= main_~root~0.offset 0) (or (and (= main_~n~0.base main_~root~0.base) (= (select |#length| main_~root~0.base) (select |#length| |main_#t~malloc11.base|)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= 8 (select |#length| |main_#t~malloc11.base|))) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) |main_#t~malloc11.offset|) 0)) (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= 1 main_~n~0.offset))))), 563383#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)) (= (select |#length| main_~root~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= 1 main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) 0)))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0))] [2018-04-12 21:57:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 8 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:02,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 21:57:02,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 21:57:02,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1454, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 21:57:02,118 INFO L87 Difference]: Start difference. First operand 14119 states and 18948 transitions. Second operand 41 states. [2018-04-12 21:57:08,027 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 94 DAG size of output 81 [2018-04-12 21:57:11,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:57:11,416 INFO L93 Difference]: Finished difference Result 24269 states and 32014 transitions. [2018-04-12 21:57:11,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-04-12 21:57:11,440 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 98 [2018-04-12 21:57:11,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:57:11,458 INFO L225 Difference]: With dead ends: 24269 [2018-04-12 21:57:11,459 INFO L226 Difference]: Without dead ends: 24269 [2018-04-12 21:57:11,459 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8985 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=4686, Invalid=23370, Unknown=0, NotChecked=0, Total=28056 [2018-04-12 21:57:11,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24269 states. [2018-04-12 21:57:11,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24269 to 18951. [2018-04-12 21:57:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18951 states. [2018-04-12 21:57:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18951 states to 18951 states and 25528 transitions. [2018-04-12 21:57:11,594 INFO L78 Accepts]: Start accepts. Automaton has 18951 states and 25528 transitions. Word has length 98 [2018-04-12 21:57:11,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:57:11,594 INFO L459 AbstractCegarLoop]: Abstraction has 18951 states and 25528 transitions. [2018-04-12 21:57:11,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 21:57:11,594 INFO L276 IsEmpty]: Start isEmpty. Operand 18951 states and 25528 transitions. [2018-04-12 21:57:11,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-12 21:57:11,596 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:57:11,596 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:57:11,596 INFO L408 AbstractCegarLoop]: === Iteration 101 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:57:11,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1917326200, now seen corresponding path program 2 times [2018-04-12 21:57:11,596 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:57:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:57:11,619 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:57:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:12,709 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:57:12,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-12 21:57:12,709 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:57:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:12,710 INFO L182 omatonBuilderFactory]: Interpolants [606912#(= 1 (select |#valid| main_~n~0.base)), 606875#true, 606877#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 606876#false, 606879#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 606878#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 606889#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 606888#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 606891#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 606890#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 606893#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) |main_#t~short4|)), 606892#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 606895#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= main_~root~0.offset 0)), 606894#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)))), 606881#(and (not (= |main_#t~malloc11.base| 0)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 606880#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 606883#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 606882#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 606885#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 606884#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 606887#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 606886#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 606905#(or (and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= (+ |main_#t~mem19.offset| 4) main_~root~0.offset)) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset)))), 606904#(or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (<= main_~root~0.offset 0))), 606907#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 606906#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 606909#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not |main_#t~short4|)), 606908#(or (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 606911#(= 1 (select |#valid| |main_#t~mem6.base|)), 606910#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 606897#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 606896#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 606899#(and (= (select |#valid| main_~n~0.base) 1) (or (and (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= main_~root~0.offset 0)), 606898#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 606901#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= main_~root~0.offset |main_#t~malloc17.offset|) (= |main_#t~malloc17.base| main_~root~0.base) (= 0 |main_#t~malloc17.offset|)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)))), 606900#(and (= (select |#valid| main_~n~0.base) 1) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= main_~root~0.offset 0)), 606903#(and (or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| 0))) (not (= main_~n~0.base |main_#t~mem18.base|))), 606902#(and (or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))] [2018-04-12 21:57:12,710 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:12,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-12 21:57:12,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-12 21:57:12,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1212, Unknown=0, NotChecked=0, Total=1406 [2018-04-12 21:57:12,710 INFO L87 Difference]: Start difference. First operand 18951 states and 25528 transitions. Second operand 38 states. [2018-04-12 21:57:16,220 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 92 DAG size of output 78 [2018-04-12 21:57:17,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:57:17,667 INFO L93 Difference]: Finished difference Result 26768 states and 35689 transitions. [2018-04-12 21:57:17,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-04-12 21:57:17,667 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 98 [2018-04-12 21:57:17,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:57:17,688 INFO L225 Difference]: With dead ends: 26768 [2018-04-12 21:57:17,688 INFO L226 Difference]: Without dead ends: 26768 [2018-04-12 21:57:17,689 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3649 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2383, Invalid=10273, Unknown=0, NotChecked=0, Total=12656 [2018-04-12 21:57:17,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26768 states. [2018-04-12 21:57:17,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26768 to 20721. [2018-04-12 21:57:17,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20721 states. [2018-04-12 21:57:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20721 states to 20721 states and 27964 transitions. [2018-04-12 21:57:17,834 INFO L78 Accepts]: Start accepts. Automaton has 20721 states and 27964 transitions. Word has length 98 [2018-04-12 21:57:17,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:57:17,835 INFO L459 AbstractCegarLoop]: Abstraction has 20721 states and 27964 transitions. [2018-04-12 21:57:17,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-12 21:57:17,835 INFO L276 IsEmpty]: Start isEmpty. Operand 20721 states and 27964 transitions. [2018-04-12 21:57:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-12 21:57:17,836 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:57:17,836 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:57:17,836 INFO L408 AbstractCegarLoop]: === Iteration 102 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:57:17,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1917326199, now seen corresponding path program 1 times [2018-04-12 21:57:17,836 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:57:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:57:17,854 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:57:19,200 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:19,200 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:57:19,200 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-12 21:57:19,200 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:57:19,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:19,201 INFO L182 omatonBuilderFactory]: Interpolants [654593#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 654592#(or (not |main_#t~short4|) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 654595#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 654594#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 654553#false, 654552#true, 654555#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 654554#(and (= (select |#length| |main_#t~malloc0.base|) 8) (= |main_#t~malloc0.offset| 0)), 654557#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654556#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 654559#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654558#(and (= (select |#valid| |main_#t~malloc11.base|) 1) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 654569#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654568#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= (select |#length| main_~n~0.base) 8) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654571#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654570#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not |main_#t~short4|)) (= (select |#length| main_~n~0.base) 8) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654573#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (and (= (select |#valid| main_~root~0.base) 1) (or (<= (+ main_~n~0.offset 1) 0) (and (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)))))), 654572#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 654575#(or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))) |main_#t~short4| (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 654574#(or (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (or (<= 1 main_~n~0.offset) (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 654561#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654560#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654563#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 654562#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654565#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 654564#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 654567#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 654566#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 654585#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base)))), 654584#(and (or (and (= main_~root~0.offset |main_#t~malloc17.offset|) (= |main_#t~malloc17.base| main_~root~0.base) (= 0 |main_#t~malloc17.offset|)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= main_~root~0.base |main_#t~malloc17.base|)))) (not (= main_~n~0.base |main_#t~malloc17.base|))), 654587#(or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (<= main_~root~0.offset 0))), 654586#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= |main_#t~mem18.base| main_~root~0.base))))), 654589#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 654588#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= (+ |main_#t~mem19.offset| 4) main_~root~0.offset)) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset)))), 654591#(or (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 654590#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 654577#(or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0))), 654576#(or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 654579#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 654578#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0))) (= 1 (select |#valid| main_~n~0.base))), 654581#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8))) (= (select |#valid| main_~n~0.base) 1)), 654580#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0))) (= 1 (select |#valid| main_~n~0.base))), 654583#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 654582#(and (= (select |#valid| main_~n~0.base) 1) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0))))] [2018-04-12 21:57:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:19,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-12 21:57:19,201 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-12 21:57:19,201 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1642, Unknown=0, NotChecked=0, Total=1892 [2018-04-12 21:57:19,201 INFO L87 Difference]: Start difference. First operand 20721 states and 27964 transitions. Second operand 44 states. [2018-04-12 21:57:28,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:57:28,195 INFO L93 Difference]: Finished difference Result 38953 states and 52172 transitions. [2018-04-12 21:57:28,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-04-12 21:57:28,195 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 98 [2018-04-12 21:57:28,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:57:28,220 INFO L225 Difference]: With dead ends: 38953 [2018-04-12 21:57:28,221 INFO L226 Difference]: Without dead ends: 38953 [2018-04-12 21:57:28,221 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8889 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=4350, Invalid=22382, Unknown=0, NotChecked=0, Total=26732 [2018-04-12 21:57:28,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38953 states. [2018-04-12 21:57:28,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38953 to 28617. [2018-04-12 21:57:28,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28617 states. [2018-04-12 21:57:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28617 states to 28617 states and 39151 transitions. [2018-04-12 21:57:28,442 INFO L78 Accepts]: Start accepts. Automaton has 28617 states and 39151 transitions. Word has length 98 [2018-04-12 21:57:28,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:57:28,442 INFO L459 AbstractCegarLoop]: Abstraction has 28617 states and 39151 transitions. [2018-04-12 21:57:28,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-12 21:57:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 28617 states and 39151 transitions. [2018-04-12 21:57:28,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-12 21:57:28,443 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:57:28,443 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:57:28,443 INFO L408 AbstractCegarLoop]: === Iteration 103 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:57:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash -727677944, now seen corresponding path program 3 times [2018-04-12 21:57:28,444 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:57:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:57:28,460 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:57:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:29,623 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:57:29,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-12 21:57:29,623 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:57:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:29,624 INFO L182 omatonBuilderFactory]: Interpolants [722443#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 722442#(or (not |main_#t~short4|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 722441#(or (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 722440#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 722445#(= 1 (select |#valid| main_~n~0.base)), 722444#(= 1 (select |#valid| |main_#t~mem7.base|)), 722435#(and (or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 722434#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= main_~root~0.offset |main_#t~malloc17.offset|) (= |main_#t~malloc17.base| main_~root~0.base) (= 0 |main_#t~malloc17.offset|)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~malloc17.base|))))), 722433#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)))), 722432#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0))) (= (select |#valid| main_~n~0.base) 1)), 722439#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 722438#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= (+ |main_#t~mem19.offset| 4) main_~root~0.offset)) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)))), 722437#(or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (<= main_~root~0.offset 0))), 722436#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base)))) (not (= main_~n~0.base |main_#t~mem18.base|))), 722411#(and (= (select |#valid| main_~n~0.base) 1) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 722410#(and (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 722409#(and (not (= 0 main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 722408#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 722415#(and (not (= 0 main_~root~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 722414#(and (not (= 0 main_~root~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 722413#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= 0 main_~root~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 722412#(and (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= |main_#t~malloc11.offset| main_~root~0.offset)), 722407#false, 722406#true, 722427#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))), 722426#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (or (not (= main_~n~0.offset 0)) |main_#t~short4|) (<= 0 main_~n~0.offset))), 722425#(or (and (or (not (= main_~n~0.offset 0)) (not (= 0 |main_#t~mem2.base|))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 722424#(or (and (= main_~n~0.base main_~root~0.base) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 722431#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0))) (= 1 (select |#valid| main_~n~0.base))), 722430#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base))), 722429#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0))) (= 1 (select |#valid| main_~n~0.base))), 722428#(or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))), 722419#(and (not (= 0 main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 722418#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 722417#(and (= (select |#valid| main_~n~0.base) 1) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 722416#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 722423#(and (or (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) |main_#t~mem6.offset|)) (not (= 0 main_~root~0.base))) (not (= 0 |main_#t~mem6.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 722422#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (and (not (= 0 main_~n~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 722421#(and (not (= 0 main_~n~0.base)) (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 722420#(and (not (= 0 main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)))] [2018-04-12 21:57:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:29,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-12 21:57:29,624 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-12 21:57:29,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1388, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 21:57:29,624 INFO L87 Difference]: Start difference. First operand 28617 states and 39151 transitions. Second operand 40 states. [2018-04-12 21:57:32,529 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 82 DAG size of output 75 [2018-04-12 21:57:32,789 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 91 DAG size of output 83 [2018-04-12 21:57:33,022 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 79 DAG size of output 72 [2018-04-12 21:57:33,195 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 95 DAG size of output 87 [2018-04-12 21:57:33,707 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 83 DAG size of output 75 [2018-04-12 21:57:33,899 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 95 DAG size of output 86 [2018-04-12 21:57:34,228 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 104 DAG size of output 94 [2018-04-12 21:57:34,417 WARN L151 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 92 DAG size of output 83 [2018-04-12 21:57:34,708 WARN L151 SmtUtils]: Spent 181ms on a formula simplification. DAG size of input: 108 DAG size of output 98 [2018-04-12 21:57:36,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:57:36,081 INFO L93 Difference]: Finished difference Result 40622 states and 54744 transitions. [2018-04-12 21:57:36,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-04-12 21:57:36,082 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 98 [2018-04-12 21:57:36,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:57:36,109 INFO L225 Difference]: With dead ends: 40622 [2018-04-12 21:57:36,109 INFO L226 Difference]: Without dead ends: 40622 [2018-04-12 21:57:36,109 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3540 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=2257, Invalid=11083, Unknown=0, NotChecked=0, Total=13340 [2018-04-12 21:57:36,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40622 states. [2018-04-12 21:57:36,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40622 to 32453. [2018-04-12 21:57:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32453 states. [2018-04-12 21:57:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32453 states to 32453 states and 44611 transitions. [2018-04-12 21:57:36,347 INFO L78 Accepts]: Start accepts. Automaton has 32453 states and 44611 transitions. Word has length 98 [2018-04-12 21:57:36,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:57:36,347 INFO L459 AbstractCegarLoop]: Abstraction has 32453 states and 44611 transitions. [2018-04-12 21:57:36,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-12 21:57:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 32453 states and 44611 transitions. [2018-04-12 21:57:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-12 21:57:36,349 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:57:36,349 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:57:36,349 INFO L408 AbstractCegarLoop]: === Iteration 104 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:57:36,349 INFO L82 PathProgramCache]: Analyzing trace with hash -727677943, now seen corresponding path program 2 times [2018-04-12 21:57:36,349 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:57:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:57:36,370 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:57:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:37,187 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:57:37,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-12 21:57:37,187 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:57:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:37,188 INFO L182 omatonBuilderFactory]: Interpolants [795676#(= main_~root~0.offset 0), 795677#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 795678#(and (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 795679#(and (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 795673#true, 795674#false, 795675#(= |main_#t~malloc0.offset| 0), 795692#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 795693#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 795694#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base))), 795695#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 795688#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0)), 795689#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 795690#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 795691#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 795684#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 795685#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 795686#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 795687#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 795680#(and (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 795681#(and (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 795682#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 795683#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| |main_#t~malloc17.base|)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 795708#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 795709#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 795704#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 795705#(or (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 795706#(or (not |main_#t~short4|) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 795707#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 795700#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base))))), 795701#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (<= main_~root~0.offset 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 795702#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= (+ |main_#t~mem19.offset| 4) main_~root~0.offset)) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 795703#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 795696#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 795697#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 795698#(and (or (and (= main_~root~0.offset |main_#t~malloc17.offset|) (= |main_#t~malloc17.base| main_~root~0.base) (= 0 |main_#t~malloc17.offset|)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|)))) (not (= main_~n~0.base |main_#t~malloc17.base|))), 795699#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.base)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))] [2018-04-12 21:57:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:37,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 21:57:37,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 21:57:37,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1172, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 21:57:37,188 INFO L87 Difference]: Start difference. First operand 32453 states and 44611 transitions. Second operand 37 states. [2018-04-12 21:57:39,208 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 74 DAG size of output 64 [2018-04-12 21:57:42,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:57:42,548 INFO L93 Difference]: Finished difference Result 43595 states and 59017 transitions. [2018-04-12 21:57:42,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-04-12 21:57:42,548 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 98 [2018-04-12 21:57:42,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:57:42,578 INFO L225 Difference]: With dead ends: 43595 [2018-04-12 21:57:42,578 INFO L226 Difference]: Without dead ends: 43595 [2018-04-12 21:57:42,579 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3466 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1975, Invalid=10681, Unknown=0, NotChecked=0, Total=12656 [2018-04-12 21:57:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43595 states. [2018-04-12 21:57:42,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43595 to 36803. [2018-04-12 21:57:42,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36803 states. [2018-04-12 21:57:42,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36803 states to 36803 states and 50664 transitions. [2018-04-12 21:57:42,850 INFO L78 Accepts]: Start accepts. Automaton has 36803 states and 50664 transitions. Word has length 98 [2018-04-12 21:57:42,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:57:42,851 INFO L459 AbstractCegarLoop]: Abstraction has 36803 states and 50664 transitions. [2018-04-12 21:57:42,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 21:57:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36803 states and 50664 transitions. [2018-04-12 21:57:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-12 21:57:42,852 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:57:42,852 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:57:42,852 INFO L408 AbstractCegarLoop]: === Iteration 105 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:57:42,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1367729309, now seen corresponding path program 2 times [2018-04-12 21:57:42,853 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:57:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:57:42,860 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:57:43,109 WARN L151 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 21 DAG size of output 15 [2018-04-12 21:57:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 21:57:43,315 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:57:43,315 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 21:57:43,315 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:57:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:43,316 INFO L182 omatonBuilderFactory]: Interpolants [876269#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0)), 876268#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 876271#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 876270#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 876265#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 876264#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 876267#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 876266#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= 0 |main_#t~malloc17.base|))), 876261#false, 876260#true, 876263#(= main_~root~0.offset 0), 876262#(= 0 |main_#t~malloc0.offset|), 876277#(and (not (= 0 main_~succ~0.base)) (= main_~root~0.offset 0)), 876276#(and (not (= 0 |main_#t~mem20.base|)) (= main_~root~0.offset 0)), 876278#(and (not (= 0 main_~n~0.base)) (= main_~root~0.offset 0)), 876273#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 876272#(and (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= 0 |main_#t~mem21.base|))), 876275#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 876274#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= main_~root~0.offset 0))] [2018-04-12 21:57:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 21:57:43,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 21:57:43,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 21:57:43,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2018-04-12 21:57:43,316 INFO L87 Difference]: Start difference. First operand 36803 states and 50664 transitions. Second operand 19 states. [2018-04-12 21:57:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:57:44,269 INFO L93 Difference]: Finished difference Result 42056 states and 57206 transitions. [2018-04-12 21:57:44,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 21:57:44,270 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 98 [2018-04-12 21:57:44,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:57:44,298 INFO L225 Difference]: With dead ends: 42056 [2018-04-12 21:57:44,299 INFO L226 Difference]: Without dead ends: 42056 [2018-04-12 21:57:44,299 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=391, Invalid=1501, Unknown=0, NotChecked=0, Total=1892 [2018-04-12 21:57:44,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42056 states. [2018-04-12 21:57:44,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42056 to 36803. [2018-04-12 21:57:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36803 states. [2018-04-12 21:57:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36803 states to 36803 states and 50663 transitions. [2018-04-12 21:57:44,562 INFO L78 Accepts]: Start accepts. Automaton has 36803 states and 50663 transitions. Word has length 98 [2018-04-12 21:57:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:57:44,562 INFO L459 AbstractCegarLoop]: Abstraction has 36803 states and 50663 transitions. [2018-04-12 21:57:44,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 21:57:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 36803 states and 50663 transitions. [2018-04-12 21:57:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-04-12 21:57:44,563 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:57:44,563 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:57:44,563 INFO L408 AbstractCegarLoop]: === Iteration 106 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:57:44,563 INFO L82 PathProgramCache]: Analyzing trace with hash 371177381, now seen corresponding path program 2 times [2018-04-12 21:57:44,564 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:57:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:57:44,578 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:57:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:45,352 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:57:45,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-12 21:57:45,353 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:57:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:45,353 INFO L182 omatonBuilderFactory]: Interpolants [955214#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (<= main_~n~0.offset 0) (<= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 955215#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 955212#(or (<= (+ main_~n~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (<= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)))), 955213#(and (<= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|))) (<= 0 main_~n~0.offset)), 955210#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= main_~n~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 955211#(and (<= main_~pred~0.offset 0) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|)))) (<= (+ main_~pred~0.offset 1) 0))), 955208#(and (= 0 main_~succ~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base))), 955209#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)))), 955206#(and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 955207#(and (= 0 main_~succ~0.offset) (= 1 (select |#valid| |main_#t~mem21.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base))), 955204#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 955205#(and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 955202#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 955203#(and (= |main_~#sentinel~0.offset| main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 955200#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 955201#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 955224#(= 1 (select |#valid| main_~n~0.base)), 955222#(= 1 (select |#valid| |main_#t~mem20.base|)), 955223#(= 1 (select |#valid| main_~succ~0.base)), 955220#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 955221#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 955218#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 955219#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 955216#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 955217#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|)), 955198#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 955199#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 955196#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 955197#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 955194#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 955195#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 955192#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 955193#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 955190#(= |main_#t~malloc0.offset| 0), 955191#(= main_~root~0.offset 0), 955188#true, 955189#false] [2018-04-12 21:57:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:45,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 21:57:45,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 21:57:45,353 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1225, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 21:57:45,354 INFO L87 Difference]: Start difference. First operand 36803 states and 50663 transitions. Second operand 37 states. [2018-04-12 21:57:49,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:57:49,877 INFO L93 Difference]: Finished difference Result 39490 states and 53955 transitions. [2018-04-12 21:57:49,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-04-12 21:57:49,877 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 99 [2018-04-12 21:57:49,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:57:49,907 INFO L225 Difference]: With dead ends: 39490 [2018-04-12 21:57:49,907 INFO L226 Difference]: Without dead ends: 39490 [2018-04-12 21:57:49,908 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 5 SyntacticMatches, 8 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2971 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1481, Invalid=10509, Unknown=0, NotChecked=0, Total=11990 [2018-04-12 21:57:49,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39490 states. [2018-04-12 21:57:50,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39490 to 37169. [2018-04-12 21:57:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37169 states. [2018-04-12 21:57:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37169 states to 37169 states and 51096 transitions. [2018-04-12 21:57:50,167 INFO L78 Accepts]: Start accepts. Automaton has 37169 states and 51096 transitions. Word has length 99 [2018-04-12 21:57:50,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:57:50,167 INFO L459 AbstractCegarLoop]: Abstraction has 37169 states and 51096 transitions. [2018-04-12 21:57:50,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 21:57:50,167 INFO L276 IsEmpty]: Start isEmpty. Operand 37169 states and 51096 transitions. [2018-04-12 21:57:50,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-04-12 21:57:50,169 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:57:50,169 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:57:50,169 INFO L408 AbstractCegarLoop]: === Iteration 107 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:57:50,169 INFO L82 PathProgramCache]: Analyzing trace with hash 371177382, now seen corresponding path program 1 times [2018-04-12 21:57:50,169 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:57:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:57:50,183 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:57:51,128 WARN L151 SmtUtils]: Spent 222ms on a formula simplification. DAG size of input: 41 DAG size of output 29 [2018-04-12 21:57:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:52,170 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:57:52,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-04-12 21:57:52,170 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:57:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:52,171 INFO L182 omatonBuilderFactory]: Interpolants [1032076#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 1032075#(and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 1032074#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (= 0 main_~n~0.base) (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base))), 1032073#(and (or (= 8 (select |#length| main_~succ~0.base)) (= 0 main_~succ~0.base) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 1032072#(and (= 0 |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (or (= 0 |main_#t~mem20.base|) (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 1032071#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1032070#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1032069#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 1032068#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|)) (not (= main_~n~0.base main_~succ~0.base)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 1032067#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))), 1032066#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1032065#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|)) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 1032064#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (= main_~n~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1032031#false, 1032030#true, 1032047#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc17.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1032046#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1032045#(and (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (or (not |main_#t~short16|) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)))))), 1032044#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem14.offset|) (= main_~n~0.offset main_~root~0.offset)), 1032043#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1032042#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1032041#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1032040#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~malloc11.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1032039#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1032038#(and (or (and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) |main_#t~short4|) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 1032037#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1032036#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1032035#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 1032034#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 1032033#(= main_~root~0.offset 0), 1032032#(= |main_#t~malloc0.offset| 0), 1032063#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)) (= main_~n~0.offset 0) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)))) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 1032062#(or (and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))) (<= (+ main_~n~0.offset 1) 0)), 1032061#(and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) main_~pred~0.base)) (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|))), 1032060#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 1032059#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|))))), 1032058#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)))))), 1032057#(and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) |main_~#sentinel~0.offset|)) (not (= main_~n~0.base main_~succ~0.base)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) |main_~#sentinel~0.offset|))), 1032056#(and (= 0 |main_#t~mem21.offset|) (= 0 main_~succ~0.offset) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base main_~succ~0.base)) (or (= 8 (select |#length| |main_#t~mem21.base|)) (and (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_#t~mem21.base|))), 1032055#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~succ~0.offset) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base main_~succ~0.base))), 1032054#(and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 1032053#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 1032052#(and (= |main_~#sentinel~0.offset| main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1032051#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1032050#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1032049#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 1032048#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 21:57:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:57:52,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 21:57:52,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 21:57:52,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1999, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 21:57:52,171 INFO L87 Difference]: Start difference. First operand 37169 states and 51096 transitions. Second operand 47 states. [2018-04-12 21:57:59,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:57:59,229 INFO L93 Difference]: Finished difference Result 37739 states and 51753 transitions. [2018-04-12 21:57:59,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-04-12 21:57:59,230 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 99 [2018-04-12 21:57:59,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:57:59,261 INFO L225 Difference]: With dead ends: 37739 [2018-04-12 21:57:59,262 INFO L226 Difference]: Without dead ends: 37739 [2018-04-12 21:57:59,262 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4231 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1437, Invalid=14063, Unknown=0, NotChecked=0, Total=15500 [2018-04-12 21:57:59,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37739 states. [2018-04-12 21:57:59,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37739 to 37418. [2018-04-12 21:57:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37418 states. [2018-04-12 21:57:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37418 states to 37418 states and 51407 transitions. [2018-04-12 21:57:59,534 INFO L78 Accepts]: Start accepts. Automaton has 37418 states and 51407 transitions. Word has length 99 [2018-04-12 21:57:59,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:57:59,534 INFO L459 AbstractCegarLoop]: Abstraction has 37418 states and 51407 transitions. [2018-04-12 21:57:59,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 21:57:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 37418 states and 51407 transitions. [2018-04-12 21:57:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-12 21:57:59,536 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:57:59,536 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:57:59,536 INFO L408 AbstractCegarLoop]: === Iteration 108 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:57:59,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1378404051, now seen corresponding path program 1 times [2018-04-12 21:57:59,536 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:57:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:57:59,546 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:00,354 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:00,354 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-12 21:58:00,354 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:00,355 INFO L182 omatonBuilderFactory]: Interpolants [1107408#(and (= main_~root~0.offset 0) (or (and (= 0 |main_#t~mem20.offset|) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| 0)))), 1107409#(and (or (and (= 0 main_~succ~0.offset) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107410#(and (= main_~root~0.offset 0) (or (and (= main_~root~0.offset main_~pred~0.offset) (= main_~n~0.offset 0) (= main_~root~0.base main_~pred~0.base)) (= 1 (select |#valid| 0)) (< main_~n~0.offset main_~root~0.offset))), 1107411#(and (or (and (= main_~root~0.offset main_~pred~0.offset) (= main_~n~0.offset 0) (= main_~root~0.base main_~pred~0.base)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 1107412#(and (or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0))) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 1107413#(and (or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ main_~root~0.offset 4))) (= 0 main_~pred~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 1107414#(and (or (= 1 (select |#valid| 0)) (< main_~n~0.offset main_~root~0.offset) (and (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 1107415#(and (or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 1107416#(and (or (and (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset |main_#t~mem21.offset|)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107417#(and (or (and (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107418#(and (or (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107419#(and (or (and (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107420#(and (= main_~root~0.offset 0) (or (and (= main_~root~0.base |main_#t~mem20.base|) (= main_~root~0.offset |main_#t~mem20.offset|)) (= 1 (select |#valid| 0)))), 1107421#(and (= main_~root~0.offset 0) (or (and (= main_~root~0.base main_~succ~0.base) (= main_~root~0.offset main_~succ~0.offset)) (= 1 (select |#valid| 0)))), 1107422#(and (or (= 1 (select |#valid| 0)) (and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset))) (= main_~root~0.offset 0)), 1107423#(and (= main_~root~0.offset 0) (or (and (= main_~pred~0.offset main_~root~0.offset) (= main_~root~0.base main_~pred~0.base)) (= 1 (select |#valid| 0)))), 1107392#(= 0 (select |#valid| 0)), 1107393#(and (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 1107394#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0)), 1107395#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 1107396#(and (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1107397#(and (= main_~root~0.offset 0) (or (= 1 (select |#valid| 0)) (and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select |#valid| 0)) (= main_~n~0.offset main_~root~0.offset)))), 1107398#(and (= main_~root~0.offset 0) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0)))), 1107399#(and (= main_~root~0.offset 0) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0)))), 1107400#(and (or (and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107401#(and (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107402#(and (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= |main_#t~malloc17.base| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107403#(and (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107404#(and (or (and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107405#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107406#(and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107407#(and (or (and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 1107390#true, 1107391#false, 1107424#(= 1 (select |#valid| 0))] [2018-04-12 21:58:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:00,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 21:58:00,355 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 21:58:00,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1077, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 21:58:00,355 INFO L87 Difference]: Start difference. First operand 37418 states and 51407 transitions. Second operand 35 states. [2018-04-12 21:58:04,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:58:04,124 INFO L93 Difference]: Finished difference Result 40835 states and 55600 transitions. [2018-04-12 21:58:04,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-12 21:58:04,125 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 100 [2018-04-12 21:58:04,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:58:04,161 INFO L225 Difference]: With dead ends: 40835 [2018-04-12 21:58:04,161 INFO L226 Difference]: Without dead ends: 40835 [2018-04-12 21:58:04,162 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1935 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1096, Invalid=7094, Unknown=0, NotChecked=0, Total=8190 [2018-04-12 21:58:04,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40835 states. [2018-04-12 21:58:04,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40835 to 37424. [2018-04-12 21:58:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37424 states. [2018-04-12 21:58:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37424 states to 37424 states and 51412 transitions. [2018-04-12 21:58:04,434 INFO L78 Accepts]: Start accepts. Automaton has 37424 states and 51412 transitions. Word has length 100 [2018-04-12 21:58:04,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:58:04,435 INFO L459 AbstractCegarLoop]: Abstraction has 37424 states and 51412 transitions. [2018-04-12 21:58:04,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 21:58:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 37424 states and 51412 transitions. [2018-04-12 21:58:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-12 21:58:04,436 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:58:04,436 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:58:04,436 INFO L408 AbstractCegarLoop]: === Iteration 109 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:58:04,436 INFO L82 PathProgramCache]: Analyzing trace with hash -2052903786, now seen corresponding path program 2 times [2018-04-12 21:58:04,437 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:58:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:58:04,450 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 24 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:06,373 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:06,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-12 21:58:06,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:06,374 INFO L182 omatonBuilderFactory]: Interpolants [1185810#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem19.base|) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| |main_#t~mem19.base|))), 1185811#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 1185808#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1185809#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1185814#(and (= main_~root~0.offset 0) (or (and (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (= main_~n~0.offset 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (<= 0 main_~n~0.offset)))))), 1185815#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (<= 0 main_~n~0.offset)))) (and (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (= main_~n~0.offset 0)) (or (not (= main_~n~0.offset 0)) |main_#t~short4|))) (= main_~root~0.offset 0)), 1185812#(and (= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 1185813#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (< main_~n~0.offset main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base))) (and (or (= main_~n~0.offset 0) (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)))) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= 1 (select |#valid| main_~root~0.base)))) (= main_~root~0.offset 0)), 1185818#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 1185819#(and (= main_~root~0.offset 0) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base))))), 1185816#(and (= main_~root~0.offset 0) (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (<= 0 main_~n~0.offset)))))), 1185817#(and (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= |main_#t~malloc11.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 1185822#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)))) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8))) (= main_~root~0.offset 0)), 1185823#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))))), 1185820#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 1185821#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))))) (= main_~root~0.offset 0)), 1185798#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 1185799#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 1185796#true, 1185797#false, 1185802#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1185803#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1185800#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 1185801#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1185806#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1185807#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (not (= |main_#t~malloc17.base| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 1185804#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 1185805#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1185826#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))), 1185827#(and (= |main_#t~mem3.offset| 0) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 1185824#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (or (not |main_#t~short16|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))))), 1185825#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 1185830#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 1185831#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0)), 1185828#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4))) (= 0 |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4)))), 1185829#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0)), 1185832#(not |main_#t~short4|)] [2018-04-12 21:58:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 24 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:06,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 21:58:06,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 21:58:06,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1188, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 21:58:06,374 INFO L87 Difference]: Start difference. First operand 37424 states and 51412 transitions. Second operand 37 states. [2018-04-12 21:58:08,050 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 125 DAG size of output 71 [2018-04-12 21:58:08,801 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 78 DAG size of output 77 [2018-04-12 21:58:08,966 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 72 DAG size of output 71 [2018-04-12 21:58:09,647 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 75 DAG size of output 70 [2018-04-12 21:58:10,030 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 82 DAG size of output 75 [2018-04-12 21:58:10,168 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 99 DAG size of output 90 [2018-04-12 21:58:10,332 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 93 DAG size of output 84 [2018-04-12 21:58:12,405 WARN L151 SmtUtils]: Spent 147ms on a formula simplification. DAG size of input: 82 DAG size of output 81 [2018-04-12 21:58:14,267 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 117 DAG size of output 64 [2018-04-12 21:58:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:58:15,845 INFO L93 Difference]: Finished difference Result 42788 states and 58243 transitions. [2018-04-12 21:58:15,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-04-12 21:58:15,845 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 100 [2018-04-12 21:58:15,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:58:15,877 INFO L225 Difference]: With dead ends: 42788 [2018-04-12 21:58:15,877 INFO L226 Difference]: Without dead ends: 42788 [2018-04-12 21:58:15,878 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6571 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=3046, Invalid=17834, Unknown=0, NotChecked=0, Total=20880 [2018-04-12 21:58:15,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42788 states. [2018-04-12 21:58:16,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42788 to 36975. [2018-04-12 21:58:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36975 states. [2018-04-12 21:58:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36975 states to 36975 states and 50903 transitions. [2018-04-12 21:58:16,250 INFO L78 Accepts]: Start accepts. Automaton has 36975 states and 50903 transitions. Word has length 100 [2018-04-12 21:58:16,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:58:16,251 INFO L459 AbstractCegarLoop]: Abstraction has 36975 states and 50903 transitions. [2018-04-12 21:58:16,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 21:58:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 36975 states and 50903 transitions. [2018-04-12 21:58:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-12 21:58:16,252 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:58:16,252 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:58:16,252 INFO L408 AbstractCegarLoop]: === Iteration 110 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:58:16,253 INFO L82 PathProgramCache]: Analyzing trace with hash -2009477552, now seen corresponding path program 3 times [2018-04-12 21:58:16,253 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:58:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:58:16,271 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 30 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:17,451 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:17,451 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-12 21:58:17,451 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:17,452 INFO L182 omatonBuilderFactory]: Interpolants [1265815#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 1265814#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 1265813#false, 1265812#true, 1265819#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1265818#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1265817#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1265816#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 1265823#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1265822#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1265821#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 1265820#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.offset| 0) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1265843#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))), 1265842#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 1265841#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0)), 1265840#(or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0)) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8))), 1265846#(not |main_#t~short4|), 1265845#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 1265844#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1265827#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 1265826#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 1265825#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1265824#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0)), 1265831#(or (and (= (select |#valid| main_~root~0.base) 1) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)) (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset))))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 1265830#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0)), 1265829#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 1265828#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 1265835#(or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|))) (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base)))), 1265834#(or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 1265833#(or (and (= (select |#valid| main_~root~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) |main_#t~short4|)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 1265832#(or (and (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= (select |#valid| main_~root~0.base) 1)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 1265839#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0))), 1265838#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8))), 1265837#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base)))), 1265836#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)))] [2018-04-12 21:58:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 30 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:17,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 21:58:17,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 21:58:17,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 21:58:17,452 INFO L87 Difference]: Start difference. First operand 36975 states and 50903 transitions. Second operand 35 states. [2018-04-12 21:58:21,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:58:21,550 INFO L93 Difference]: Finished difference Result 39607 states and 54156 transitions. [2018-04-12 21:58:21,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-12 21:58:21,550 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 100 [2018-04-12 21:58:21,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:58:21,576 INFO L225 Difference]: With dead ends: 39607 [2018-04-12 21:58:21,576 INFO L226 Difference]: Without dead ends: 39607 [2018-04-12 21:58:21,576 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2341 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1283, Invalid=7273, Unknown=0, NotChecked=0, Total=8556 [2018-04-12 21:58:21,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39607 states. [2018-04-12 21:58:21,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39607 to 37381. [2018-04-12 21:58:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37381 states. [2018-04-12 21:58:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37381 states to 37381 states and 51448 transitions. [2018-04-12 21:58:21,835 INFO L78 Accepts]: Start accepts. Automaton has 37381 states and 51448 transitions. Word has length 100 [2018-04-12 21:58:21,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:58:21,835 INFO L459 AbstractCegarLoop]: Abstraction has 37381 states and 51448 transitions. [2018-04-12 21:58:21,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 21:58:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 37381 states and 51448 transitions. [2018-04-12 21:58:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-12 21:58:21,836 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:58:21,836 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:58:21,836 INFO L408 AbstractCegarLoop]: === Iteration 111 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:58:21,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1598443158, now seen corresponding path program 2 times [2018-04-12 21:58:21,837 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:58:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:58:21,850 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 31 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:23,012 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:23,012 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-12 21:58:23,012 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:23,013 INFO L182 omatonBuilderFactory]: Interpolants [1342980#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1342981#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 1342982#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 1342983#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))), 1342976#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) |main_#t~short4|) (= main_~root~0.offset 0)), 1342977#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1342978#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|))), 1342979#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1342988#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))), 1342989#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1342990#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 1342991#(not |main_#t~short4|), 1342984#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= |main_#t~mem2.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))), 1342985#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))), 1342986#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= |main_#t~mem3.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem3.offset|)), 1342987#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 1342964#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset 0) (+ main_~root~0.offset 4)))), 1342965#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem14.offset|) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset 0) (+ main_~root~0.offset 4)))), 1342966#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (or (not |main_#t~short16|) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset 0) (+ main_~root~0.offset 4))))) (= main_~root~0.offset 0)), 1342967#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset 0) (+ main_~root~0.offset 4)))), 1342960#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1342961#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1342962#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset 0) (+ main_~root~0.offset 4)))), 1342963#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset 0) (+ main_~root~0.offset 4)))), 1342972#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 1342973#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= 0 |main_#t~mem7.offset|) (not (= main_~root~0.base |main_#t~mem7.base|)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.base|)), 1342974#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 1342975#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 1342968#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 1342969#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1342970#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 1342971#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 1342951#true, 1342956#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 1342957#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1342958#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1342959#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)))) |main_#t~short4|) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 1342952#false, 1342953#(= 0 |main_#t~malloc0.offset|), 1342954#(= main_~root~0.offset 0), 1342955#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))] [2018-04-12 21:58:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 31 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:23,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 21:58:23,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 21:58:23,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1435, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 21:58:23,013 INFO L87 Difference]: Start difference. First operand 37381 states and 51448 transitions. Second operand 41 states. [2018-04-12 21:58:29,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:58:29,246 INFO L93 Difference]: Finished difference Result 50502 states and 68757 transitions. [2018-04-12 21:58:29,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-04-12 21:58:29,247 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 100 [2018-04-12 21:58:29,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:58:29,281 INFO L225 Difference]: With dead ends: 50502 [2018-04-12 21:58:29,281 INFO L226 Difference]: Without dead ends: 50502 [2018-04-12 21:58:29,282 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 5 SyntacticMatches, 5 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5359 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=2885, Invalid=16575, Unknown=0, NotChecked=0, Total=19460 [2018-04-12 21:58:29,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50502 states. [2018-04-12 21:58:29,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50502 to 47055. [2018-04-12 21:58:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47055 states. [2018-04-12 21:58:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47055 states to 47055 states and 64666 transitions. [2018-04-12 21:58:29,630 INFO L78 Accepts]: Start accepts. Automaton has 47055 states and 64666 transitions. Word has length 100 [2018-04-12 21:58:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:58:29,631 INFO L459 AbstractCegarLoop]: Abstraction has 47055 states and 64666 transitions. [2018-04-12 21:58:29,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 21:58:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 47055 states and 64666 transitions. [2018-04-12 21:58:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-12 21:58:29,632 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:58:29,632 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:58:29,632 INFO L408 AbstractCegarLoop]: === Iteration 112 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:58:29,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1641869392, now seen corresponding path program 3 times [2018-04-12 21:58:29,633 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:58:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:58:29,784 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:30,805 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 86 DAG size of output 52 [2018-04-12 21:58:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 28 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:31,106 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:31,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-12 21:58:31,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:31,107 INFO L182 omatonBuilderFactory]: Interpolants [1440773#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 1440772#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))))), 1440775#(or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 1440774#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))) (and (= 8 (select |#length| |main_#t~mem6.base|)) (not (= 0 |main_#t~mem6.offset|)))), 1440769#(and (not (= (+ main_~n~0.offset 4) 0)) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))))), 1440768#(and (not (= (+ main_~n~0.offset 4) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))))), 1440771#(or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)))), 1440770#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 1440777#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (not |main_#t~short4|)), 1440776#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|))), 1440778#(and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 1440757#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= (select |#valid| |main_#t~mem13.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 1440756#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 1440759#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1440758#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 1440753#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 1440752#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 1440755#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem12.offset| 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1440754#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 1440765#(and (not (= (+ main_~n~0.offset 4) 0)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)))) (= 1 (select |#valid| main_~n~0.base))), 1440764#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)))), 1440767#(and (not (= (+ main_~n~0.offset 4) 0)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= (+ main_~n~0.offset 4) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))))), 1440766#(and (not (= (+ main_~n~0.offset 4) 0)) (= (select |#valid| main_~n~0.base) 1) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= (+ main_~n~0.offset 4) main_~root~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))))), 1440761#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1440760#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 1440763#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1440762#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1440749#(= 0 |main_#t~malloc0.offset|), 1440748#false, 1440751#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 1440750#(= 0 main_~root~0.offset), 1440747#true] [2018-04-12 21:58:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 28 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:31,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 21:58:31,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 21:58:31,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2018-04-12 21:58:31,107 INFO L87 Difference]: Start difference. First operand 47055 states and 64666 transitions. Second operand 32 states. [2018-04-12 21:58:32,948 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 96 DAG size of output 70 [2018-04-12 21:58:33,243 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 100 DAG size of output 72 [2018-04-12 21:58:33,529 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 101 DAG size of output 75 [2018-04-12 21:58:34,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:58:34,683 INFO L93 Difference]: Finished difference Result 50224 states and 67630 transitions. [2018-04-12 21:58:34,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-12 21:58:34,683 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 100 [2018-04-12 21:58:34,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:58:34,806 INFO L225 Difference]: With dead ends: 50224 [2018-04-12 21:58:34,806 INFO L226 Difference]: Without dead ends: 50067 [2018-04-12 21:58:34,806 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1446 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1205, Invalid=4801, Unknown=0, NotChecked=0, Total=6006 [2018-04-12 21:58:34,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50067 states. [2018-04-12 21:58:35,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50067 to 43034. [2018-04-12 21:58:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43034 states. [2018-04-12 21:58:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43034 states to 43034 states and 58523 transitions. [2018-04-12 21:58:35,128 INFO L78 Accepts]: Start accepts. Automaton has 43034 states and 58523 transitions. Word has length 100 [2018-04-12 21:58:35,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:58:35,128 INFO L459 AbstractCegarLoop]: Abstraction has 43034 states and 58523 transitions. [2018-04-12 21:58:35,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 21:58:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 43034 states and 58523 transitions. [2018-04-12 21:58:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-12 21:58:35,129 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:58:35,130 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:58:35,130 INFO L408 AbstractCegarLoop]: === Iteration 113 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:58:35,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1868792202, now seen corresponding path program 4 times [2018-04-12 21:58:35,130 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:58:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:58:35,142 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:36,110 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:36,110 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-12 21:58:36,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:36,110 INFO L182 omatonBuilderFactory]: Interpolants [1534161#(not |main_#t~short4|), 1534160#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0)), 1534151#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem12.base| main_~root~0.base)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 1534150#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))), 1534149#(and (or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~n~0.offset (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 1534148#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~n~0.offset (+ main_~root~0.offset 4))) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))), 1534147#(or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~n~0.offset (+ main_~root~0.offset 4))) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 1534146#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~mem6.base|))), 1534145#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset)), 1534144#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1534159#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 1534158#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0)), 1534157#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) (+ 0 4))) (= 0 |main_#t~mem6.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) (+ 0 4)))), 1534156#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1534155#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0)), 1534154#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 1534153#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 1534152#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 1534135#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 1534134#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1534133#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 1534132#(= main_~root~0.offset 0), 1534131#(= 0 |main_#t~malloc0.offset|), 1534130#false, 1534129#true, 1534143#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1534142#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)))), 1534141#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1534140#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset)), 1534139#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1534138#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1534137#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1534136#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 21:58:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:36,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 21:58:36,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 21:58:36,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=923, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 21:58:36,111 INFO L87 Difference]: Start difference. First operand 43034 states and 58523 transitions. Second operand 33 states. [2018-04-12 21:58:39,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:58:39,207 INFO L93 Difference]: Finished difference Result 46443 states and 62706 transitions. [2018-04-12 21:58:39,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-12 21:58:39,208 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 100 [2018-04-12 21:58:39,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:58:39,238 INFO L225 Difference]: With dead ends: 46443 [2018-04-12 21:58:39,238 INFO L226 Difference]: Without dead ends: 46443 [2018-04-12 21:58:39,238 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1396 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=849, Invalid=4701, Unknown=0, NotChecked=0, Total=5550 [2018-04-12 21:58:39,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46443 states. [2018-04-12 21:58:39,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46443 to 43414. [2018-04-12 21:58:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43414 states. [2018-04-12 21:58:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43414 states to 43414 states and 59036 transitions. [2018-04-12 21:58:39,538 INFO L78 Accepts]: Start accepts. Automaton has 43414 states and 59036 transitions. Word has length 100 [2018-04-12 21:58:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:58:39,539 INFO L459 AbstractCegarLoop]: Abstraction has 43414 states and 59036 transitions. [2018-04-12 21:58:39,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 21:58:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 43414 states and 59036 transitions. [2018-04-12 21:58:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-12 21:58:39,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:58:39,540 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:58:39,540 INFO L408 AbstractCegarLoop]: === Iteration 114 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:58:39,540 INFO L82 PathProgramCache]: Analyzing trace with hash -546373294, now seen corresponding path program 1 times [2018-04-12 21:58:39,541 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:58:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:58:39,559 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 49 proven. 33 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 21:58:40,273 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:40,273 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-12 21:58:40,273 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:40,273 INFO L182 omatonBuilderFactory]: Interpolants [1624128#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1624129#(and (= |main_#t~mem14.base| 0) (= |main_#t~mem14.offset| 0) (= main_~root~0.offset 0)), 1624130#(and |main_#t~short16| (= main_~root~0.offset 0)), 1624120#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) (+ main_~root~0.offset 4))) (= 0 |main_#t~mem6.offset|) (= main_~root~0.offset 0)), 1624121#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1624122#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1624123#(and (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) |main_#t~short4|) (= main_~root~0.offset 0)), 1624124#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1624125#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= main_~root~0.offset 0) (not (= |main_#t~malloc11.base| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1624126#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1624127#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 1624112#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1624113#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1624114#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset)), 1624115#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1624116#(and (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1624117#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0)), 1624118#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0)), 1624119#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)))), 1624104#false, 1624105#(= 0 |main_#t~malloc0.offset|), 1624106#(= main_~root~0.offset 0), 1624107#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 1624108#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1624109#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1624110#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1624111#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1624103#true] [2018-04-12 21:58:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 49 proven. 33 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 21:58:40,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 21:58:40,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 21:58:40,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=649, Unknown=0, NotChecked=0, Total=756 [2018-04-12 21:58:40,274 INFO L87 Difference]: Start difference. First operand 43414 states and 59036 transitions. Second operand 28 states. [2018-04-12 21:58:42,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:58:42,232 INFO L93 Difference]: Finished difference Result 45726 states and 61765 transitions. [2018-04-12 21:58:42,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 21:58:42,232 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 100 [2018-04-12 21:58:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:58:42,262 INFO L225 Difference]: With dead ends: 45726 [2018-04-12 21:58:42,262 INFO L226 Difference]: Without dead ends: 45726 [2018-04-12 21:58:42,263 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 934 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=667, Invalid=3365, Unknown=0, NotChecked=0, Total=4032 [2018-04-12 21:58:42,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45726 states. [2018-04-12 21:58:42,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45726 to 43218. [2018-04-12 21:58:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43218 states. [2018-04-12 21:58:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43218 states to 43218 states and 58679 transitions. [2018-04-12 21:58:42,576 INFO L78 Accepts]: Start accepts. Automaton has 43218 states and 58679 transitions. Word has length 100 [2018-04-12 21:58:42,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:58:42,577 INFO L459 AbstractCegarLoop]: Abstraction has 43218 states and 58679 transitions. [2018-04-12 21:58:42,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 21:58:42,577 INFO L276 IsEmpty]: Start isEmpty. Operand 43218 states and 58679 transitions. [2018-04-12 21:58:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-12 21:58:42,578 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:58:42,578 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:58:42,578 INFO L408 AbstractCegarLoop]: === Iteration 115 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:58:42,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1181745616, now seen corresponding path program 4 times [2018-04-12 21:58:42,579 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:58:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:58:42,595 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 28 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:44,339 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:44,339 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-12 21:58:44,339 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:44,339 INFO L182 omatonBuilderFactory]: Interpolants [1713178#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_#t~mem2.offset|)) (= |main_#t~mem2.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_#t~mem2.offset|)))), 1713179#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)))), 1713176#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 1713177#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))), 1713182#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))) (and (= 8 (select |#length| |main_#t~mem7.base|)) (not (= |main_#t~mem7.offset| 0)))), 1713183#(or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 1713180#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= |main_#t~mem3.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem3.offset|))), 1713181#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))))), 1713170#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base))), 1713171#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~malloc17.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~malloc17.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))))), 1713168#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 1 (select |#valid| main_~root~0.base))) |main_#t~short4|) (= 1 (select |#valid| main_~n~0.base))), 1713169#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 1 (select |#valid| main_~root~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 1713174#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 1713175#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 1713172#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 1713173#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem18.base| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 1713162#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 main_~root~0.offset) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem19.base|) (not (= (+ |main_#t~mem19.offset| 4) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= 0 main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= 1 (select |#valid| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) (= 8 (select |#length| main_~root~0.base))), 1713163#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= 0 main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 1713160#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= |main_#t~mem18.offset| 0) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base))), 1713161#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 1 (select |#valid| main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 1713166#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))))) (and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| main_~root~0.base)) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))) (= 8 (select |#length| main_~root~0.base)))), 1713167#(and (or (and (or (not (= main_~n~0.offset 0)) (not (= 0 |main_#t~mem2.base|))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))))) (= 1 (select |#valid| main_~n~0.base))), 1713164#(and (not (= 0 main_~n~0.base)) (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| main_~n~0.base))), 1713165#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= 0 main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 1713154#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 1713155#(and (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 1713152#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 1713153#(and (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| main_~root~0.offset) (= main_~n~0.offset main_~root~0.offset)), 1713158#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 |main_#t~malloc17.offset|)), 1713159#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 1713156#(and (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 1713157#(and (= main_~n~0.base main_~root~0.base) (or (not (= main_~n~0.base |main_#t~mem13.base|)) (<= main_~n~0.offset |main_#t~mem13.offset|)) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 1713147#true, 1713150#(and (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~root~0.base))), 1713151#(and (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 1713148#false, 1713149#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 1713186#(and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 1713184#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|))), 1713185#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (not |main_#t~short4|))] [2018-04-12 21:58:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 28 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:44,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-12 21:58:44,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-12 21:58:44,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1401, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 21:58:44,340 INFO L87 Difference]: Start difference. First operand 43218 states and 58679 transitions. Second operand 40 states. [2018-04-12 21:58:46,717 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 90 DAG size of output 79 [2018-04-12 21:58:46,992 WARN L151 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 87 DAG size of output 77 [2018-04-12 21:58:47,580 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 64 DAG size of output 63 [2018-04-12 21:58:47,772 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 72 DAG size of output 70 [2018-04-12 21:58:47,991 WARN L151 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 80 DAG size of output 78 [2018-04-12 21:58:48,271 WARN L151 SmtUtils]: Spent 164ms on a formula simplification. DAG size of input: 89 DAG size of output 85 [2018-04-12 21:58:48,566 WARN L151 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 85 DAG size of output 83 [2018-04-12 21:58:48,877 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 77 DAG size of output 75 [2018-04-12 21:58:51,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:58:51,239 INFO L93 Difference]: Finished difference Result 48440 states and 65091 transitions. [2018-04-12 21:58:51,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-04-12 21:58:51,239 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 100 [2018-04-12 21:58:51,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:58:51,272 INFO L225 Difference]: With dead ends: 48440 [2018-04-12 21:58:51,272 INFO L226 Difference]: Without dead ends: 48432 [2018-04-12 21:58:51,272 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2956 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1638, Invalid=10134, Unknown=0, NotChecked=0, Total=11772 [2018-04-12 21:58:51,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48432 states. [2018-04-12 21:58:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48432 to 44644. [2018-04-12 21:58:51,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44644 states. [2018-04-12 21:58:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44644 states to 44644 states and 60484 transitions. [2018-04-12 21:58:51,597 INFO L78 Accepts]: Start accepts. Automaton has 44644 states and 60484 transitions. Word has length 100 [2018-04-12 21:58:51,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:58:51,597 INFO L459 AbstractCegarLoop]: Abstraction has 44644 states and 60484 transitions. [2018-04-12 21:58:51,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-12 21:58:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand 44644 states and 60484 transitions. [2018-04-12 21:58:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-12 21:58:51,599 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:58:51,599 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:58:51,599 INFO L408 AbstractCegarLoop]: === Iteration 116 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:58:51,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1222869215, now seen corresponding path program 5 times [2018-04-12 21:58:51,599 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:58:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:58:51,609 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:52,519 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:52,519 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:52,519 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-12 21:58:52,519 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:52,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:52,520 INFO L182 omatonBuilderFactory]: Interpolants [1806427#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))), 1806426#(or (and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))) (<= (+ main_~n~0.offset 1) 0)), 1806425#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|)), 1806424#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| main_~pred~0.base) (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|)), 1806431#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (<= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 1806430#(or (<= (+ main_~n~0.offset 1) 0) (and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (<= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)))), 1806429#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (<= main_~pred~0.offset 0) (or (<= (+ main_~pred~0.offset 1) 0) (and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4)) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4))) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|)))), 1806428#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= main_~n~0.offset 0) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 1806419#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 1806418#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 1806417#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 1806416#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 1806423#(and (= 0 |main_#t~mem20.offset|) (= 1 (select |#valid| |main_~#sentinel~0.base|)) (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| main_~pred~0.base) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 1806422#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| main_~pred~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 1806421#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1806420#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1806411#(= |main_#t~malloc0.offset| 0), 1806410#false, 1806409#true, 1806415#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1806414#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1806413#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 1806412#(= main_~root~0.offset 0), 1806443#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| main_~succ~0.base)), 1806442#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)), 1806441#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))), 1806440#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1806445#(= 1 (select |#valid| main_~n~0.base)), 1806444#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| main_~n~0.base)), 1806435#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 1806434#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1806433#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 1806432#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (<= main_~n~0.offset 0) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1806439#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 1806438#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 1806437#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 1806436#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset))] [2018-04-12 21:58:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:52,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 21:58:52,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 21:58:52,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1233, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 21:58:52,520 INFO L87 Difference]: Start difference. First operand 44644 states and 60484 transitions. Second operand 37 states. [2018-04-12 21:58:55,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:58:55,800 INFO L93 Difference]: Finished difference Result 47091 states and 63476 transitions. [2018-04-12 21:58:55,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-12 21:58:55,800 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 101 [2018-04-12 21:58:55,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:58:55,831 INFO L225 Difference]: With dead ends: 47091 [2018-04-12 21:58:55,831 INFO L226 Difference]: Without dead ends: 47091 [2018-04-12 21:58:55,832 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 4 SyntacticMatches, 11 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2187 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=937, Invalid=7805, Unknown=0, NotChecked=0, Total=8742 [2018-04-12 21:58:55,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47091 states. [2018-04-12 21:58:56,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47091 to 44704. [2018-04-12 21:58:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44704 states. [2018-04-12 21:58:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44704 states to 44704 states and 60546 transitions. [2018-04-12 21:58:56,147 INFO L78 Accepts]: Start accepts. Automaton has 44704 states and 60546 transitions. Word has length 101 [2018-04-12 21:58:56,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:58:56,147 INFO L459 AbstractCegarLoop]: Abstraction has 44704 states and 60546 transitions. [2018-04-12 21:58:56,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 21:58:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 44704 states and 60546 transitions. [2018-04-12 21:58:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-12 21:58:56,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:58:56,149 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:58:56,149 INFO L408 AbstractCegarLoop]: === Iteration 117 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:58:56,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1222869214, now seen corresponding path program 3 times [2018-04-12 21:58:56,149 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:58:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:58:56,255 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:58:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:57,390 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:58:57,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-12 21:58:57,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:58:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:57,390 INFO L182 omatonBuilderFactory]: Interpolants [1898392#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base)), 1898393#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)), 1898388#(and (= 0 main_~n~0.offset) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 1898389#(and (= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1898390#(and (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 1898391#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)), 1898384#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 1898385#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)) (<= (+ main_~n~0.offset 1) 0)), 1898386#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1898387#(and (= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 1898380#(and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 1898381#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1898382#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 1898383#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 1898376#(and (or (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))) (<= (+ main_~n~0.offset 1) 0)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 1898377#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 1898378#(and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4))) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 1898379#(and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1898372#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (<= (+ main_~n~0.offset 1) 0) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= main_~n~0.base main_~pred~0.base)) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))))), 1898373#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))), 1898374#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= main_~n~0.offset 0) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 1898375#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4)) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~pred~0.offset 4))) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (or (= |main_~#sentinel~0.base| main_~pred~0.base) (= 8 (select |#length| main_~pred~0.base)))) (<= (+ main_~pred~0.offset 1) 0))), 1898368#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_~#sentinel~0.base| main_~pred~0.base) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| |main_#t~mem20.base|))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 1898369#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_~#sentinel~0.base| main_~pred~0.base) (or (= 8 (select |#length| main_~succ~0.base)) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 1898370#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_~#sentinel~0.base| main_~pred~0.base) (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 1898371#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 1898364#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= 8 (select |#length| |main_#t~mem13.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 1898365#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1898366#(and (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= main_~root~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 |main_~#sentinel~0.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1898367#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_~#sentinel~0.base| main_~pred~0.base) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 1898360#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1898361#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 1898362#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1898363#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1898356#false, 1898357#(= |main_#t~malloc0.offset| 0), 1898358#(= main_~root~0.offset 0), 1898359#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 1898355#true] [2018-04-12 21:58:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:58:57,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 21:58:57,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 21:58:57,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1379, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 21:58:57,391 INFO L87 Difference]: Start difference. First operand 44704 states and 60546 transitions. Second operand 39 states. [2018-04-12 21:59:00,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:59:00,588 INFO L93 Difference]: Finished difference Result 47063 states and 63447 transitions. [2018-04-12 21:59:00,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-12 21:59:00,589 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 101 [2018-04-12 21:59:00,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:59:00,621 INFO L225 Difference]: With dead ends: 47063 [2018-04-12 21:59:00,621 INFO L226 Difference]: Without dead ends: 47063 [2018-04-12 21:59:00,621 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 5 SyntacticMatches, 9 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=709, Invalid=6601, Unknown=0, NotChecked=0, Total=7310 [2018-04-12 21:59:00,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47063 states. [2018-04-12 21:59:00,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47063 to 44716. [2018-04-12 21:59:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44716 states. [2018-04-12 21:59:00,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44716 states to 44716 states and 60559 transitions. [2018-04-12 21:59:00,998 INFO L78 Accepts]: Start accepts. Automaton has 44716 states and 60559 transitions. Word has length 101 [2018-04-12 21:59:00,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:59:00,998 INFO L459 AbstractCegarLoop]: Abstraction has 44716 states and 60559 transitions. [2018-04-12 21:59:00,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 21:59:00,998 INFO L276 IsEmpty]: Start isEmpty. Operand 44716 states and 60559 transitions. [2018-04-12 21:59:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-12 21:59:00,999 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:59:01,000 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:59:01,000 INFO L408 AbstractCegarLoop]: === Iteration 118 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:59:01,000 INFO L82 PathProgramCache]: Analyzing trace with hash -377677788, now seen corresponding path program 1 times [2018-04-12 21:59:01,000 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:59:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:59:01,016 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:59:01,443 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 50 DAG size of output 34 [2018-04-12 21:59:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:02,892 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:59:02,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-12 21:59:02,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:59:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:02,892 INFO L182 omatonBuilderFactory]: Interpolants [1990302#(or (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 1990303#(or (and (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| |main_#t~mem20.base|))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|)) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 1990300#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1990301#(or (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1990298#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (<= main_~root~0.offset 0)), 1990299#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= (+ |main_#t~mem19.offset| 4) main_~root~0.offset)) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset))) (and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 1990296#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 1990297#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= |main_#t~mem18.offset| 0) (or (and (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= |main_#t~mem18.offset| main_~root~0.offset) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 1990294#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1990295#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~root~0.offset |main_#t~malloc17.offset|) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 |main_#t~malloc17.offset|)), 1990292#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 1990293#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 1990290#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base))))), 1990291#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 1990288#(and (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|))) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 1990289#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 1990286#(and (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) |main_#t~short4| (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 1 (select |#valid| main_~n~0.base))), 1990287#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 1990284#(or (and (= 8 (select |#length| main_~n~0.base)) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)))) (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 1990285#(and (or (and (or (not (= main_~n~0.offset 0)) (not (= 0 |main_#t~mem2.base|))) (= 8 (select |#length| main_~n~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 1 (select |#valid| main_~n~0.base))), 1990282#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1990283#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= |main_#t~mem2.base| 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 1990280#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 1990281#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 1990278#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 1990279#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 1990276#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~n~0.offset (+ |main_#t~mem13.offset| 4))) (= main_~n~0.offset main_~root~0.offset)), 1990277#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1990274#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1990275#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1990272#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1990273#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 1990270#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 1990271#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 1990268#false, 1990269#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 1990267#true, 1990308#(= 1 (select |#valid| main_~n~0.base)), 1990306#(or (and (= main_~n~0.offset 0) (= 0 main_~n~0.base)) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (= 1 (select |#valid| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)))), 1990307#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (= 1 (select |#valid| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base))), 1990304#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (or (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~succ~0.base))) (= |main_~#sentinel~0.offset| main_~succ~0.offset))), 1990305#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (or (= 1 (select |#valid| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base))))] [2018-04-12 21:59:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:02,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 21:59:02,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 21:59:02,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1543, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 21:59:02,893 INFO L87 Difference]: Start difference. First operand 44716 states and 60559 transitions. Second operand 42 states. [2018-04-12 21:59:10,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:59:10,548 INFO L93 Difference]: Finished difference Result 50096 states and 67149 transitions. [2018-04-12 21:59:10,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-04-12 21:59:10,549 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 101 [2018-04-12 21:59:10,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:59:10,597 INFO L225 Difference]: With dead ends: 50096 [2018-04-12 21:59:10,597 INFO L226 Difference]: Without dead ends: 50096 [2018-04-12 21:59:10,598 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6422 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=2911, Invalid=17111, Unknown=0, NotChecked=0, Total=20022 [2018-04-12 21:59:10,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50096 states. [2018-04-12 21:59:10,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50096 to 44716. [2018-04-12 21:59:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44716 states. [2018-04-12 21:59:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44716 states to 44716 states and 60559 transitions. [2018-04-12 21:59:11,043 INFO L78 Accepts]: Start accepts. Automaton has 44716 states and 60559 transitions. Word has length 101 [2018-04-12 21:59:11,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:59:11,044 INFO L459 AbstractCegarLoop]: Abstraction has 44716 states and 60559 transitions. [2018-04-12 21:59:11,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 21:59:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 44716 states and 60559 transitions. [2018-04-12 21:59:11,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-12 21:59:11,045 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:59:11,045 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:59:11,045 INFO L408 AbstractCegarLoop]: === Iteration 119 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:59:11,046 INFO L82 PathProgramCache]: Analyzing trace with hash -377677787, now seen corresponding path program 1 times [2018-04-12 21:59:11,046 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:59:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:59:11,060 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:59:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:12,487 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:59:12,487 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-12 21:59:12,487 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:59:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:12,488 INFO L182 omatonBuilderFactory]: Interpolants [2085343#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 2085342#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0))) (= 1 (select |#valid| main_~n~0.base))), 2085341#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0)) (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)))), 2085340#(and (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))) (= 1 (select |#valid| main_~n~0.base))), 2085339#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) |main_#t~short4|) (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))))), 2085338#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)))), 2085337#(or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))), 2085336#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2085335#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2085334#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2085333#(and (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 2085332#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2085331#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 2085330#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 2085329#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 2085328#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 2085327#(and (not (= |main_#t~malloc11.base| 0)) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 2085326#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2085325#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2085324#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2085323#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 2085322#false, 2085321#true, 2085361#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 2085360#(and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 2085359#(or (and (= main_~n~0.offset 0) (= 0 main_~n~0.base)) (and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| 0))), 2085358#(or (and (= 0 main_~succ~0.offset) (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| 0)) (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base))), 2085357#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (= 0 main_~succ~0.offset) (or (= 8 (select |#length| main_~succ~0.base)) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= |main_~#sentinel~0.offset| 0))), 2085356#(or (and (= 0 |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| 0) (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| |main_#t~mem20.base|)))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 2085355#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 2085354#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base))), 2085353#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| 0) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 2085352#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 2085351#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= (+ |main_#t~mem19.offset| 4) main_~root~0.offset)) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset)))), 2085350#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (<= main_~root~0.offset 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 2085349#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base))))), 2085348#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 2085347#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|))) (and (= main_~root~0.base |main_#t~malloc17.base|) (= main_~root~0.offset |main_#t~malloc17.offset|) (= 0 |main_#t~malloc17.offset|)))), 2085346#(and (= (select |#valid| main_~n~0.base) 1) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0)) (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)))), 2085345#(and (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0))) (= (select |#valid| main_~n~0.base) 1)), 2085344#(and (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0))) (= 1 (select |#valid| main_~n~0.base)))] [2018-04-12 21:59:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 8 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:12,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 21:59:12,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 21:59:12,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1472, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 21:59:12,488 INFO L87 Difference]: Start difference. First operand 44716 states and 60559 transitions. Second operand 41 states. [2018-04-12 21:59:15,126 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 112 DAG size of output 76 [2018-04-12 21:59:17,897 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 81 DAG size of output 76 [2018-04-12 21:59:18,105 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 93 DAG size of output 87 [2018-04-12 21:59:18,576 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 82 DAG size of output 59 [2018-04-12 21:59:20,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:59:20,755 INFO L93 Difference]: Finished difference Result 50146 states and 67205 transitions. [2018-04-12 21:59:20,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-04-12 21:59:20,756 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 101 [2018-04-12 21:59:20,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:59:20,791 INFO L225 Difference]: With dead ends: 50146 [2018-04-12 21:59:20,791 INFO L226 Difference]: Without dead ends: 50146 [2018-04-12 21:59:20,791 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5363 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=2469, Invalid=15087, Unknown=0, NotChecked=0, Total=17556 [2018-04-12 21:59:20,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50146 states. [2018-04-12 21:59:21,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50146 to 44716. [2018-04-12 21:59:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44716 states. [2018-04-12 21:59:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44716 states to 44716 states and 60559 transitions. [2018-04-12 21:59:21,125 INFO L78 Accepts]: Start accepts. Automaton has 44716 states and 60559 transitions. Word has length 101 [2018-04-12 21:59:21,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:59:21,125 INFO L459 AbstractCegarLoop]: Abstraction has 44716 states and 60559 transitions. [2018-04-12 21:59:21,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 21:59:21,125 INFO L276 IsEmpty]: Start isEmpty. Operand 44716 states and 60559 transitions. [2018-04-12 21:59:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-12 21:59:21,126 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:59:21,126 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:59:21,127 INFO L408 AbstractCegarLoop]: === Iteration 120 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:59:21,127 INFO L82 PathProgramCache]: Analyzing trace with hash 355914979, now seen corresponding path program 5 times [2018-04-12 21:59:21,127 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:59:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:59:21,135 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:59:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 65 proven. 103 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:59:21,589 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:59:21,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-12 21:59:21,589 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:59:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:21,590 INFO L182 omatonBuilderFactory]: Interpolants [2180409#false, 2180408#true, 2180411#(and (not (= 0 main_~root~0.base)) (= main_~root~0.offset 0)), 2180410#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 2180413#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= 0 main_~root~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 2180412#(and (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 2180415#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 2180414#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= 0 main_~root~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= |main_#t~malloc17.offset| 0)), 2180417#(and (not (= 0 main_~root~0.base)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 2180416#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= 0 main_~root~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 2180419#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= 0 main_~root~0.base)) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 2180418#(and (not (= 0 main_~root~0.base)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 2180421#(and (not (= 0 main_~n~0.base)) (= main_~n~0.offset 0) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 2180420#(and (not (= 0 main_~n~0.base)) (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 2180423#(and (not (= 0 main_~pred~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 2180422#(and (not (= 0 main_~n~0.base)) (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 2180425#(and (not (= 0 main_~n~0.base)) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 2180424#(and (not (= 0 main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 2180427#(and (not (= 0 main_~pred~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 2180426#(and (not (= 0 main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 2180429#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 |main_~#sentinel~0.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))))), 2180428#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 2180431#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 2180430#(and (= |main_~#sentinel~0.offset| 0) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= 0 |main_#t~mem21.base|))), 2180433#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 2180432#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)))), 2180435#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= 0 main_~succ~0.base))), 2180434#(and (not (= 0 |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 2180436#(and (not (= 0 main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~pred~0.offset))] [2018-04-12 21:59:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 65 proven. 103 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:59:21,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 21:59:21,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 21:59:21,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=740, Unknown=0, NotChecked=0, Total=812 [2018-04-12 21:59:21,590 INFO L87 Difference]: Start difference. First operand 44716 states and 60559 transitions. Second operand 29 states. [2018-04-12 21:59:24,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:59:24,055 INFO L93 Difference]: Finished difference Result 52094 states and 69869 transitions. [2018-04-12 21:59:24,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-12 21:59:24,055 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 101 [2018-04-12 21:59:24,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:59:24,091 INFO L225 Difference]: With dead ends: 52094 [2018-04-12 21:59:24,092 INFO L226 Difference]: Without dead ends: 52094 [2018-04-12 21:59:24,092 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 6 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1370 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=809, Invalid=5043, Unknown=0, NotChecked=0, Total=5852 [2018-04-12 21:59:24,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52094 states. [2018-04-12 21:59:24,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52094 to 44716. [2018-04-12 21:59:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44716 states. [2018-04-12 21:59:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44716 states to 44716 states and 60558 transitions. [2018-04-12 21:59:24,545 INFO L78 Accepts]: Start accepts. Automaton has 44716 states and 60558 transitions. Word has length 101 [2018-04-12 21:59:24,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:59:24,545 INFO L459 AbstractCegarLoop]: Abstraction has 44716 states and 60558 transitions. [2018-04-12 21:59:24,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 21:59:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 44716 states and 60558 transitions. [2018-04-12 21:59:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-12 21:59:24,546 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:59:24,547 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:59:24,547 INFO L408 AbstractCegarLoop]: === Iteration 121 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:59:24,547 INFO L82 PathProgramCache]: Analyzing trace with hash -655202271, now seen corresponding path program 6 times [2018-04-12 21:59:24,547 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:59:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:59:24,558 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:59:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:25,421 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:59:25,421 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-12 21:59:25,421 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:59:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:25,421 INFO L182 omatonBuilderFactory]: Interpolants [2277346#(= main_~root~0.offset 0), 2277347#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 2277344#false, 2277345#(= 0 |main_#t~malloc0.offset|), 2277350#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 2277351#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 2277348#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 2277349#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= |main_#t~malloc17.offset| 0)), 2277354#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 2277355#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_~#sentinel~0.base| main_~pred~0.base) (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_~#sentinel~0.offset|)), 2277352#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 2277353#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 2277358#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 2277359#(and (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (not (= main_~pred~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 2277356#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_~#sentinel~0.base| main_~pred~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 2277357#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_~#sentinel~0.base| main_~pred~0.base) (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 2277362#(and (= main_~n~0.offset 0) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 2277363#(and (= main_~n~0.offset 0) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 2277360#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 2277361#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 2277366#(and (= 0 main_~n~0.offset) (not (= main_~n~0.base main_~pred~0.base)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 2277367#(and (= 0 main_~n~0.offset) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 2277364#(or (and (not (= main_~n~0.base main_~pred~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))) (<= (+ main_~n~0.offset 1) 0)), 2277365#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 main_~n~0.offset) (not (= main_~n~0.base main_~pred~0.base)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)))), 2277370#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_#t~mem21.offset|)) (not (= main_~n~0.base |main_#t~mem21.base|))), 2277371#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 2277368#(and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) main_~pred~0.base)) (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))))), 2277369#(or (<= (+ main_~n~0.offset 1) 0) (and (= main_~n~0.offset 0) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)))), 2277374#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 2277375#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base))), 2277372#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base))), 2277373#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 2277378#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)), 2277379#(and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base)), 2277376#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))), 2277377#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 2277380#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)), 2277343#true] [2018-04-12 21:59:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:25,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-12 21:59:25,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-12 21:59:25,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1312, Unknown=0, NotChecked=0, Total=1406 [2018-04-12 21:59:25,422 INFO L87 Difference]: Start difference. First operand 44716 states and 60558 transitions. Second operand 38 states. [2018-04-12 21:59:29,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:59:29,389 INFO L93 Difference]: Finished difference Result 51446 states and 68954 transitions. [2018-04-12 21:59:29,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-12 21:59:29,389 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 101 [2018-04-12 21:59:29,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:59:29,436 INFO L225 Difference]: With dead ends: 51446 [2018-04-12 21:59:29,436 INFO L226 Difference]: Without dead ends: 51446 [2018-04-12 21:59:29,436 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1672 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=739, Invalid=7093, Unknown=0, NotChecked=0, Total=7832 [2018-04-12 21:59:29,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51446 states. [2018-04-12 21:59:29,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51446 to 44728. [2018-04-12 21:59:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44728 states. [2018-04-12 21:59:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44728 states to 44728 states and 60571 transitions. [2018-04-12 21:59:29,804 INFO L78 Accepts]: Start accepts. Automaton has 44728 states and 60571 transitions. Word has length 101 [2018-04-12 21:59:29,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:59:29,804 INFO L459 AbstractCegarLoop]: Abstraction has 44728 states and 60571 transitions. [2018-04-12 21:59:29,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-12 21:59:29,804 INFO L276 IsEmpty]: Start isEmpty. Operand 44728 states and 60571 transitions. [2018-04-12 21:59:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-12 21:59:29,806 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:59:29,807 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:59:29,807 INFO L408 AbstractCegarLoop]: === Iteration 122 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:59:29,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1163565105, now seen corresponding path program 2 times [2018-04-12 21:59:29,807 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:59:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:59:29,815 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:59:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:30,699 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:59:30,699 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-12 21:59:30,699 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:59:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:30,700 INFO L182 omatonBuilderFactory]: Interpolants [2373668#(and (or (= 1 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)) (= main_~root~0.offset 0)), 2373669#(and (or (= 1 (select |#valid| 0)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 |main_~#sentinel~0.offset|))) (= main_~root~0.offset 0)), 2373670#(and (= main_~n~0.offset 0) (or (= 1 (select |#valid| 0)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (= 0 |main_~#sentinel~0.offset|))) (= main_~root~0.offset 0)), 2373671#(and (or (and (= main_~root~0.base main_~n~0.base) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)) (= 1 (select |#valid| 0))) (= main_~n~0.offset 0) (= main_~root~0.offset 0)), 2373664#(and (or (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~malloc17.offset| 0))) (= main_~root~0.offset 0)), 2373665#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373666#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373667#(and (or (and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373676#(and (or (and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373677#(and (or (and (= main_~root~0.offset main_~pred~0.offset) (= main_~root~0.base main_~pred~0.base) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373678#(and (or (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373679#(and (or (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~root~0.offset 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 |main_~#sentinel~0.offset|)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373672#(and (or (and (= main_~root~0.base main_~n~0.base) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0))) (= main_~n~0.offset 0) (= main_~root~0.offset 0)), 2373673#(and (or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset main_~pred~0.offset) (= main_~root~0.base main_~pred~0.base) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)))) (= main_~root~0.offset 0)), 2373674#(and (or (and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373675#(and (or (= 1 (select |#valid| 0)) (and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|))) (= main_~root~0.offset 0)), 2373684#(and (or (and (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373685#(and (= main_~root~0.offset 0) (or (and (= main_~root~0.base |main_#t~mem20.base|) (= main_~root~0.offset |main_#t~mem20.offset|)) (= 1 (select |#valid| 0)))), 2373686#(and (= main_~root~0.offset 0) (or (and (= main_~root~0.base main_~succ~0.base) (= main_~root~0.offset main_~succ~0.offset)) (= 1 (select |#valid| 0)))), 2373687#(and (or (= 1 (select |#valid| 0)) (and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset))) (= main_~root~0.offset 0)), 2373680#(and (= main_~root~0.offset 0) (or (= 1 (select |#valid| 0)) (and (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| 0) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= main_~root~0.offset |main_#t~mem21.offset|)))), 2373681#(and (or (and (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| 0) (= |main_~#sentinel~0.offset| main_~n~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373682#(and (or (and (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373683#(and (or (and (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset)) (= 1 (select |#valid| 0))) (= main_~root~0.offset 0)), 2373688#(and (= main_~root~0.offset 0) (or (and (= main_~pred~0.offset main_~root~0.offset) (= main_~root~0.base main_~pred~0.base)) (= 1 (select |#valid| 0)))), 2373689#(= 1 (select |#valid| 0)), 2373660#(and (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 2373661#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0)), 2373662#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 2373663#(and (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 2373657#true, 2373658#false, 2373659#(= 0 (select |#valid| 0))] [2018-04-12 21:59:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:30,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 21:59:30,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 21:59:30,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 21:59:30,700 INFO L87 Difference]: Start difference. First operand 44728 states and 60571 transitions. Second operand 33 states. [2018-04-12 21:59:33,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:59:33,530 INFO L93 Difference]: Finished difference Result 52129 states and 69912 transitions. [2018-04-12 21:59:33,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-12 21:59:33,531 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 102 [2018-04-12 21:59:33,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:59:33,571 INFO L225 Difference]: With dead ends: 52129 [2018-04-12 21:59:33,571 INFO L226 Difference]: Without dead ends: 52129 [2018-04-12 21:59:33,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 5 SyntacticMatches, 7 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1341 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=783, Invalid=5379, Unknown=0, NotChecked=0, Total=6162 [2018-04-12 21:59:33,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52129 states. [2018-04-12 21:59:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52129 to 44716. [2018-04-12 21:59:33,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44716 states. [2018-04-12 21:59:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44716 states to 44716 states and 60558 transitions. [2018-04-12 21:59:33,922 INFO L78 Accepts]: Start accepts. Automaton has 44716 states and 60558 transitions. Word has length 102 [2018-04-12 21:59:33,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:59:33,923 INFO L459 AbstractCegarLoop]: Abstraction has 44716 states and 60558 transitions. [2018-04-12 21:59:33,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 21:59:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 44716 states and 60558 transitions. [2018-04-12 21:59:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-12 21:59:33,925 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:59:33,925 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:59:33,925 INFO L408 AbstractCegarLoop]: === Iteration 123 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:59:33,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1305562144, now seen corresponding path program 1 times [2018-04-12 21:59:33,926 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:59:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:59:33,935 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:59:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:59:34,479 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:59:34,479 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-12 21:59:34,479 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:59:34,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:34,479 INFO L182 omatonBuilderFactory]: Interpolants [2470629#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 2470628#false, 2470631#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0)), 2470630#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2470627#true, 2470637#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 2470636#(and (= main_~n~0.base main_~root~0.base) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not |main_#t~short4|)) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset)), 2470639#(or (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)) (and (or (not (= main_~n~0.offset 0)) (and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset main_~root~0.offset))) (= 8 (select |#length| main_~n~0.base)))), 2470638#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2470633#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 2470632#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base))), 2470635#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 2470634#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 2470645#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= |main_#t~mem13.base| main_~root~0.base)))), 2470644#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 2470647#(or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2470646#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2470641#(and (or (and (or (and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset main_~root~0.offset)) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 2470640#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset main_~root~0.offset))) (= 8 (select |#length| main_~n~0.base))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)))), 2470643#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base)))) (not (= main_~n~0.base |main_#t~mem12.base|))), 2470642#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))))), 2470653#(or (not (= main_~succ~0.offset 0)) (not (= 0 main_~succ~0.base))), 2470652#(or (and (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (not (= 0 main_~succ~0.base))), 2470654#(or (not (= main_~n~0.base 0)) (not (= main_~n~0.offset 0))), 2470649#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))), 2470648#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2470651#(or (and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (not (= 0 |main_#t~mem20.base|))), 2470650#(or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)))] [2018-04-12 21:59:34,479 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 21:59:34,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 21:59:34,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 21:59:34,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=645, Unknown=0, NotChecked=0, Total=756 [2018-04-12 21:59:34,480 INFO L87 Difference]: Start difference. First operand 44716 states and 60558 transitions. Second operand 28 states. [2018-04-12 21:59:36,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:59:36,943 INFO L93 Difference]: Finished difference Result 48891 states and 65717 transitions. [2018-04-12 21:59:36,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-12 21:59:36,944 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 103 [2018-04-12 21:59:36,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:59:36,976 INFO L225 Difference]: With dead ends: 48891 [2018-04-12 21:59:36,977 INFO L226 Difference]: Without dead ends: 48867 [2018-04-12 21:59:36,977 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=950, Invalid=3880, Unknown=0, NotChecked=0, Total=4830 [2018-04-12 21:59:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48867 states. [2018-04-12 21:59:37,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48867 to 44884. [2018-04-12 21:59:37,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44884 states. [2018-04-12 21:59:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44884 states to 44884 states and 60727 transitions. [2018-04-12 21:59:37,378 INFO L78 Accepts]: Start accepts. Automaton has 44884 states and 60727 transitions. Word has length 103 [2018-04-12 21:59:37,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:59:37,378 INFO L459 AbstractCegarLoop]: Abstraction has 44884 states and 60727 transitions. [2018-04-12 21:59:37,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 21:59:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 44884 states and 60727 transitions. [2018-04-12 21:59:37,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-12 21:59:37,381 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:59:37,381 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:59:37,381 INFO L408 AbstractCegarLoop]: === Iteration 124 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:59:37,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1978287902, now seen corresponding path program 2 times [2018-04-12 21:59:37,382 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:59:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:59:37,397 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:59:38,677 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 93 DAG size of output 69 [2018-04-12 21:59:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:39,744 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:59:39,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-12 21:59:39,745 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:59:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:39,745 INFO L182 omatonBuilderFactory]: Interpolants [2564519#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2564518#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2564517#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2564516#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 2564515#false, 2564514#true, 2564527#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0)), 2564526#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0)), 2564525#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 2564524#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| |main_#t~mem13.base|) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= 0 (+ |main_#t~mem13.offset| 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))), 2564523#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 2564522#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.offset| 0) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 2564521#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2564520#(and (not (= |main_#t~malloc11.base| 0)) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 2564535#(or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (or (= main_~n~0.offset 0) (and (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (or (not (= main_~n~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))), 2564534#(and (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (or (not (= main_~n~0.offset 0)) (= 1 (select |#valid| |main_#t~malloc11.base|))) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (and (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 2564533#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#valid| main_~root~0.base) 1) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 2564532#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (or (= main_~n~0.offset 0) (and (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (or (not (= main_~n~0.offset 0)) |main_#t~short4|)) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select |#valid| main_~root~0.base) 1)))), 2564531#(and (or (and (or (= main_~n~0.offset 0) (and (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 2564530#(or (and (or (= main_~n~0.offset 0) (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= 8 (select |#length| main_~root~0.base)))) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base))))), 2564529#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 2564528#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 2564543#(and (= 0 |main_#t~mem20.offset|) (or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 8 (select |#length| |main_#t~mem20.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))) (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)) (or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))))))) (= |main_~#sentinel~0.offset| 0)), 2564542#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)))))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 2564541#(or (and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)))))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base))), 2564540#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| 0) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))))), 2564539#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 2564538#(or (and (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8)) (and (or (and (or (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (or (= main_~n~0.offset 0) (and (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (or (not (= main_~n~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 2564537#(or (and (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (and (or (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (or (= main_~n~0.offset 0) (and (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (or (not (= main_~n~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 2564536#(or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (or (= main_~n~0.offset 0) (and (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (or (not (= main_~n~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base))) (and (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))), 2564551#(or (and (= 0 main_~succ~0.offset) (or (= 0 main_~succ~0.base) (= 1 (select |#valid| main_~succ~0.base)))) (and (= (select |#length| main_~n~0.base) 8) (= 1 (select |#valid| main_~succ~0.base)))), 2564550#(or (and (= 1 (select |#valid| |main_#t~mem20.base|)) (= (select |#length| main_~n~0.base) 8)) (and (= 0 |main_#t~mem20.offset|) (or (= 0 |main_#t~mem20.base|) (= 1 (select |#valid| |main_#t~mem20.base|))))), 2564549#(or (and (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 2564548#(and (or (and (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 2564547#(and (= main_~n~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) 0))))) (and (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) 0)))) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| 0)), 2564546#(and (= 0 main_~succ~0.offset) (or (and (= 8 (select |#length| main_~succ~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| 0)), 2564545#(and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| 0) (or (and (= 8 (select |#length| main_~succ~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))) (not (= main_~n~0.base main_~succ~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))) (not (= main_~n~0.base main_~succ~0.base))) (= |main_~#sentinel~0.base| main_~succ~0.base))), 2564544#(and (= 0 main_~succ~0.offset) (or (and (= 8 (select |#length| main_~succ~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))) (not (= main_~n~0.base main_~succ~0.base))) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))) (not (= main_~n~0.base main_~succ~0.base)))) (= |main_~#sentinel~0.offset| 0)), 2564554#(= 1 (select |#valid| main_~n~0.base)), 2564553#(or (and (= main_~n~0.offset 0) (= 0 main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 2564552#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (= 1 (select |#valid| main_~succ~0.base)))] [2018-04-12 21:59:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:39,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 21:59:39,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 21:59:39,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1458, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 21:59:39,746 INFO L87 Difference]: Start difference. First operand 44884 states and 60727 transitions. Second operand 41 states. [2018-04-12 21:59:41,376 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 144 DAG size of output 86 [2018-04-12 21:59:41,536 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 132 DAG size of output 77 [2018-04-12 21:59:41,703 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 70 DAG size of output 66 [2018-04-12 21:59:42,604 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 157 DAG size of output 98 [2018-04-12 21:59:42,876 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 145 DAG size of output 89 [2018-04-12 21:59:43,616 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 73 DAG size of output 65 [2018-04-12 21:59:44,152 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 117 DAG size of output 88 [2018-04-12 21:59:44,349 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 124 DAG size of output 96 [2018-04-12 21:59:44,834 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 102 DAG size of output 88 [2018-04-12 21:59:45,180 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 97 DAG size of output 80 [2018-04-12 21:59:45,590 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 133 DAG size of output 75 [2018-04-12 21:59:46,143 WARN L151 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 109 DAG size of output 82 [2018-04-12 21:59:46,536 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 116 DAG size of output 76 [2018-04-12 21:59:48,716 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 146 DAG size of output 87 [2018-04-12 21:59:49,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 21:59:49,914 INFO L93 Difference]: Finished difference Result 48767 states and 65529 transitions. [2018-04-12 21:59:49,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-04-12 21:59:49,914 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 103 [2018-04-12 21:59:49,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 21:59:49,948 INFO L225 Difference]: With dead ends: 48767 [2018-04-12 21:59:49,948 INFO L226 Difference]: Without dead ends: 48767 [2018-04-12 21:59:49,948 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 9 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5718 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=2936, Invalid=15424, Unknown=0, NotChecked=0, Total=18360 [2018-04-12 21:59:49,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48767 states. [2018-04-12 21:59:50,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48767 to 45034. [2018-04-12 21:59:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45034 states. [2018-04-12 21:59:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45034 states to 45034 states and 60915 transitions. [2018-04-12 21:59:50,286 INFO L78 Accepts]: Start accepts. Automaton has 45034 states and 60915 transitions. Word has length 103 [2018-04-12 21:59:50,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 21:59:50,286 INFO L459 AbstractCegarLoop]: Abstraction has 45034 states and 60915 transitions. [2018-04-12 21:59:50,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 21:59:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 45034 states and 60915 transitions. [2018-04-12 21:59:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-12 21:59:50,288 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 21:59:50,288 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 21:59:50,288 INFO L408 AbstractCegarLoop]: === Iteration 125 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 21:59:50,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1978287903, now seen corresponding path program 2 times [2018-04-12 21:59:50,289 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 21:59:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 21:59:50,304 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 21:59:51,307 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 69 DAG size of output 47 [2018-04-12 21:59:52,385 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:52,385 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 21:59:52,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-12 21:59:52,385 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 21:59:52,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:52,386 INFO L182 omatonBuilderFactory]: Interpolants [2658552#(and (= (select |#valid| |main_#t~malloc11.base|) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 2658553#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2658554#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.offset| 0) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 2658555#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2658556#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= main_~root~0.base main_~n~0.base) (= (select |#valid| |main_#t~mem13.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0)), 2658557#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2658558#(and (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 2658559#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0)), 2658546#true, 2658547#false, 2658548#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 2658549#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2658550#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2658551#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2658568#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base main_~n~0.base))) |main_#t~short4|) (= 1 (select |#valid| main_~n~0.base))), 2658569#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 2658570#(and (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (<= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= |main_#t~malloc11.offset| 0) (<= 0 main_~n~0.offset) (= 8 (select |#length| |main_#t~malloc11.base|)))) (not (= main_~root~0.base main_~n~0.base))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 2658571#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base main_~n~0.base))))), 2658572#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= main_~root~0.base main_~n~0.base)) (or (and (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base)))) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 2658573#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base main_~n~0.base))))), 2658574#(or (and (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= main_~root~0.base main_~n~0.base))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))), 2658575#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)), 2658560#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2658561#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2658562#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))), 2658563#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base))) (not |main_#t~short4|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))), 2658564#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))), 2658565#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 2658566#(or (<= (+ main_~n~0.offset 1) 0) (and (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base main_~n~0.base))) (and (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= 8 (select |#length| main_~n~0.base)))), 2658567#(and (or (and (= (select |#length| main_~n~0.base) 8) (or (<= 1 main_~n~0.offset) (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))))) (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 2658584#(or (and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| |main_#t~mem20.base|))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 2658585#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (or (= 8 (select |#length| main_~succ~0.base)) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 2658586#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset))), 2658587#(or (and (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)) (and (= main_~n~0.offset 0) (= 0 main_~n~0.base))), 2658588#(and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 2658589#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 2658576#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 |main_~#sentinel~0.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 2658577#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 0 |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 2658578#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 0 |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 2658579#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 |main_~#sentinel~0.offset|)) (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 2658580#(and (or (and (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 2658581#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (and (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 2658582#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 |main_~#sentinel~0.offset|) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| main_~n~0.base))), 2658583#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 |main_~#sentinel~0.offset|) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))))] [2018-04-12 21:59:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 21:59:52,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-12 21:59:52,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-12 21:59:52,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1717, Unknown=0, NotChecked=0, Total=1892 [2018-04-12 21:59:52,386 INFO L87 Difference]: Start difference. First operand 45034 states and 60915 transitions. Second operand 44 states. [2018-04-12 21:59:53,557 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 113 DAG size of output 62 [2018-04-12 21:59:54,231 WARN L151 SmtUtils]: Spent 162ms on a formula simplification. DAG size of input: 144 DAG size of output 87 [2018-04-12 21:59:54,436 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 131 DAG size of output 80 [2018-04-12 21:59:55,038 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 128 DAG size of output 74 [2018-04-12 21:59:55,915 WARN L151 SmtUtils]: Spent 186ms on a formula simplification. DAG size of input: 159 DAG size of output 99 [2018-04-12 21:59:56,287 WARN L151 SmtUtils]: Spent 208ms on a formula simplification. DAG size of input: 146 DAG size of output 92 [2018-04-12 21:59:58,137 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 158 DAG size of output 89 [2018-04-12 21:59:58,288 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 145 DAG size of output 82 [2018-04-12 21:59:58,647 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 143 DAG size of output 76 [2018-04-12 21:59:59,011 WARN L151 SmtUtils]: Spent 163ms on a formula simplification. DAG size of input: 98 DAG size of output 88 [2018-04-12 21:59:59,199 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 100 DAG size of output 91 [2018-04-12 21:59:59,415 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 174 DAG size of output 101 [2018-04-12 21:59:59,729 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 161 DAG size of output 94 [2018-04-12 22:00:00,062 WARN L151 SmtUtils]: Spent 174ms on a formula simplification. DAG size of input: 91 DAG size of output 89 [2018-04-12 22:00:00,849 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 147 DAG size of output 80 [2018-04-12 22:00:02,458 WARN L148 SmtUtils]: Spent 110ms on a formula simplification that was a NOOP. DAG size: 59 [2018-04-12 22:00:04,241 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 165 DAG size of output 92 [2018-04-12 22:00:04,552 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 152 DAG size of output 85 [2018-04-12 22:00:05,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:05,777 INFO L93 Difference]: Finished difference Result 50040 states and 67098 transitions. [2018-04-12 22:00:05,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-04-12 22:00:05,778 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 103 [2018-04-12 22:00:05,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:05,815 INFO L225 Difference]: With dead ends: 50040 [2018-04-12 22:00:05,816 INFO L226 Difference]: Without dead ends: 50040 [2018-04-12 22:00:05,816 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7344 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=3380, Invalid=20490, Unknown=0, NotChecked=0, Total=23870 [2018-04-12 22:00:05,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50040 states. [2018-04-12 22:00:06,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50040 to 45034. [2018-04-12 22:00:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45034 states. [2018-04-12 22:00:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45034 states to 45034 states and 60915 transitions. [2018-04-12 22:00:06,222 INFO L78 Accepts]: Start accepts. Automaton has 45034 states and 60915 transitions. Word has length 103 [2018-04-12 22:00:06,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:00:06,223 INFO L459 AbstractCegarLoop]: Abstraction has 45034 states and 60915 transitions. [2018-04-12 22:00:06,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-12 22:00:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 45034 states and 60915 transitions. [2018-04-12 22:00:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-12 22:00:06,224 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:00:06,224 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:00:06,224 INFO L408 AbstractCegarLoop]: === Iteration 126 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:00:06,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1629508064, now seen corresponding path program 1 times [2018-04-12 22:00:06,225 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:00:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:00:06,234 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:00:06,674 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 22:00:06,674 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:00:06,675 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-12 22:00:06,675 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:00:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:06,675 INFO L182 omatonBuilderFactory]: Interpolants [2753898#(or (and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1))), 2753899#(and (or (and (not (= (+ main_~n~0.offset 4) 0)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 2753896#(and (= 0 main_~n~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~n~0.offset main_~root~0.offset)), 2753897#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 2753902#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 2753903#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= |main_#t~mem18.base| main_~root~0.base))), 2753900#(and (or (and (= main_~n~0.base main_~root~0.base) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (not (= (+ main_~n~0.offset 4) main_~root~0.offset))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1))) (= (select |#valid| main_~n~0.base) 1)), 2753901#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base |main_#t~malloc17.base|))) (and (= main_~n~0.base main_~root~0.base) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (not (= (+ main_~n~0.offset 4) main_~root~0.offset))))), 2753890#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset)), 2753891#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1)), 2753888#(= 0 |main_#t~malloc0.offset|), 2753889#(= 0 main_~root~0.offset), 2753894#(and (= 0 main_~n~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 2753895#(or (not |main_#t~short4|) (and (= 0 main_~n~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~n~0.offset main_~root~0.offset))), 2753892#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 2753893#(and (= 0 main_~n~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= main_~n~0.offset main_~root~0.offset)), 2753906#(or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2753907#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))), 2753904#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 2753905#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= |main_#t~mem19.base| main_~root~0.base))), 2753910#(or (not (= 0 main_~n~0.base)) (not (= main_~n~0.offset 0))), 2753908#(or (not (= 0 |main_#t~mem20.base|)) (not (= |main_#t~mem20.offset| 0))), 2753909#(or (not (= main_~succ~0.offset 0)) (not (= 0 main_~succ~0.base))), 2753886#true, 2753887#false] [2018-04-12 22:00:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 22:00:06,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-12 22:00:06,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-12 22:00:06,675 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2018-04-12 22:00:06,676 INFO L87 Difference]: Start difference. First operand 45034 states and 60915 transitions. Second operand 25 states. [2018-04-12 22:00:08,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:08,464 INFO L93 Difference]: Finished difference Result 57064 states and 76199 transitions. [2018-04-12 22:00:08,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-12 22:00:08,464 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 103 [2018-04-12 22:00:08,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:08,509 INFO L225 Difference]: With dead ends: 57064 [2018-04-12 22:00:08,509 INFO L226 Difference]: Without dead ends: 57040 [2018-04-12 22:00:08,509 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=742, Invalid=2680, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 22:00:08,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57040 states. [2018-04-12 22:00:08,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57040 to 45560. [2018-04-12 22:00:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45560 states. [2018-04-12 22:00:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45560 states to 45560 states and 61629 transitions. [2018-04-12 22:00:08,865 INFO L78 Accepts]: Start accepts. Automaton has 45560 states and 61629 transitions. Word has length 103 [2018-04-12 22:00:08,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:00:08,865 INFO L459 AbstractCegarLoop]: Abstraction has 45560 states and 61629 transitions. [2018-04-12 22:00:08,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-12 22:00:08,865 INFO L276 IsEmpty]: Start isEmpty. Operand 45560 states and 61629 transitions. [2018-04-12 22:00:08,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-12 22:00:08,867 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:00:08,867 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:00:08,867 INFO L408 AbstractCegarLoop]: === Iteration 127 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:00:08,867 INFO L82 PathProgramCache]: Analyzing trace with hash 618390814, now seen corresponding path program 2 times [2018-04-12 22:00:08,867 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:00:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:00:08,885 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:00:10,440 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:10,440 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:00:10,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-12 22:00:10,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:00:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:10,441 INFO L182 omatonBuilderFactory]: Interpolants [2856619#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= (select |#valid| 0) 0) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2856618#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= (select |#valid| 0) 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2856617#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| 0) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 2856616#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| 0) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 2856623#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (not (= (+ main_~n~0.offset 4) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))) (and (not (= main_~root~0.base |main_#t~malloc17.base|)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (+ main_~n~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base main_~n~0.base))))))), 2856622#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))) (and (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| 0) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) (+ main_~n~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1)))), 2856621#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (<= (+ main_~n~0.offset 1) 0) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)))) (and (= (select |#valid| main_~root~0.base) 1) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| 0) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (or (<= (+ main_~n~0.offset 1) 0) (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base main_~n~0.base)))))), 2856620#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| 0) 0) (<= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (<= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2856611#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 2856610#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select |#valid| 0) 0) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| main_~root~0.offset) (= main_~n~0.offset main_~root~0.offset)), 2856609#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| 0) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 2856608#(and (= 0 main_~root~0.offset) (= (select |#valid| 0) 0) (= (select |#valid| main_~root~0.base) 1)), 2856615#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| 0) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 2856614#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= (select |#valid| 0) 0) (= (select |#valid| |main_#t~mem13.base|) 1) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 2856613#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 2856612#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem12.offset| 0) (= (select |#valid| 0) 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 2856635#(and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 2856634#(or (and (= main_~n~0.offset 0) (= 0 main_~n~0.base)) (and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 2856633#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (= 1 (select |#valid| 0))) (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base))), 2856632#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (= 1 (select |#valid| 0)) (not (= main_~n~0.base main_~succ~0.base)))), 2856639#(and (= 1 (select |#valid| 0)) (= main_~n~0.base 0)), 2856638#(and (= 0 main_~n~0.base) (or (= main_~n~0.offset 0) (= 1 (select |#valid| 0)))), 2856637#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (= 0 main_~succ~0.base) (= 1 (select |#valid| 0)))), 2856636#(or (and (= 0 |main_#t~mem20.base|) (= 1 (select |#valid| 0))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 2856627#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| 0))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2856626#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| 0))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2856625#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| 0))) (not (= |main_#t~mem18.base| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2856624#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 2856631#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base))) (and (= 0 main_~succ~0.offset) (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (= 1 (select |#valid| 0)) (not (= main_~n~0.base main_~succ~0.base)))), 2856630#(or (and (= 0 |main_#t~mem20.offset|) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base |main_#t~mem20.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 1 (select |#valid| 0)))))), 2856629#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0)))), 2856628#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| 0))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 2856603#true, 2856607#(and (= 0 main_~root~0.offset) (= (select |#valid| 0) 0)), 2856606#(and (= 0 |main_#t~malloc0.offset|) (= (select |#valid| 0) 0)), 2856605#(= (select |#valid| 0) 0), 2856604#false] [2018-04-12 22:00:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:10,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 22:00:10,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 22:00:10,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1154, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 22:00:10,442 INFO L87 Difference]: Start difference. First operand 45560 states and 61629 transitions. Second operand 37 states. [2018-04-12 22:00:12,897 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 90 DAG size of output 72 [2018-04-12 22:00:13,041 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 97 DAG size of output 63 [2018-04-12 22:00:13,220 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 107 DAG size of output 65 [2018-04-12 22:00:13,447 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 102 DAG size of output 68 [2018-04-12 22:00:15,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:15,048 INFO L93 Difference]: Finished difference Result 52619 states and 70544 transitions. [2018-04-12 22:00:15,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-04-12 22:00:15,048 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 103 [2018-04-12 22:00:15,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:15,084 INFO L225 Difference]: With dead ends: 52619 [2018-04-12 22:00:15,084 INFO L226 Difference]: Without dead ends: 52619 [2018-04-12 22:00:15,084 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2353 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1638, Invalid=7292, Unknown=0, NotChecked=0, Total=8930 [2018-04-12 22:00:15,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52619 states. [2018-04-12 22:00:15,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52619 to 45582. [2018-04-12 22:00:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45582 states. [2018-04-12 22:00:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45582 states to 45582 states and 61649 transitions. [2018-04-12 22:00:15,422 INFO L78 Accepts]: Start accepts. Automaton has 45582 states and 61649 transitions. Word has length 103 [2018-04-12 22:00:15,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:00:15,422 INFO L459 AbstractCegarLoop]: Abstraction has 45582 states and 61649 transitions. [2018-04-12 22:00:15,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 22:00:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 45582 states and 61649 transitions. [2018-04-12 22:00:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-12 22:00:15,424 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:00:15,424 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:00:15,424 INFO L408 AbstractCegarLoop]: === Iteration 128 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:00:15,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1197381844, now seen corresponding path program 1 times [2018-04-12 22:00:15,425 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:00:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:00:15,437 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:00:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:17,176 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:00:17,176 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-12 22:00:17,176 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:00:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:17,177 INFO L182 omatonBuilderFactory]: Interpolants [2954989#(or (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))))), 2954988#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))))), 2954991#(or (= 1 (select |#valid| 0)) (and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (not (= main_~n~0.base main_~succ~0.base)))), 2954990#(or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (= 1 (select |#valid| 0))), 2954985#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~root~0.base main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))) (= 1 (select |#valid| 0)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 2954984#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~root~0.base main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= |main_#t~mem13.base| main_~root~0.base)))), 2954987#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 2954986#(or (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 2954981#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~root~0.base main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))))) (= 1 (select |#valid| 0))), 2954980#(or (and (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (or (and (= 0 (select |#valid| 0)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| |main_#t~malloc11.base|))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))))))) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (not (= |main_#t~malloc11.base| main_~n~0.base))) (= 1 (select |#valid| 0))), 2954983#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~root~0.base main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| 0))), 2954982#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (or (and (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~root~0.base main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))))) (not (= |main_#t~mem12.base| main_~root~0.base)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0))) (or (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| 0)))), 2954977#(or (and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))) (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~n~0.base))) (= 1 (select |#valid| 0))), 2954976#(or (and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))))) (and (= 8 (select |#length| main_~n~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))))) (= 0 (select |#valid| 0))) (= 1 (select |#valid| 0))), 2954979#(or (= 1 (select |#valid| 0)) (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))))), 2954978#(or (= 1 (select |#valid| 0)) (and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))) (and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) |main_#t~short4|) (= 8 (select |#length| main_~n~0.base)))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~n~0.base)))), 2954997#(= 1 (select |#valid| 0)), 2954996#(or (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| main_~n~0.base))), 2954993#(or (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 2954992#(or (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (= 1 (select |#valid| 0))), 2954995#(or (not (= |main_~#sentinel~0.base| main_~succ~0.base)) (= 1 (select |#valid| 0))), 2954994#(or (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 2954957#true, 2954959#(= 0 (select |#valid| 0)), 2954958#false, 2954973#(or (and (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 2954972#(or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 2954975#(or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 2954974#(or (and (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 2954969#(or (= 1 (select |#valid| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 2954968#(or (= 1 (select |#valid| 0)) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem13.base|) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 2954971#(or (and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| 0))), 2954970#(or (and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 2954965#(or (and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 2954964#(or (and (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 2954967#(or (and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 2954966#(or (and (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.offset| 0) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem12.offset|) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0))), 2954961#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 2954960#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 2954963#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 2954962#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)))] [2018-04-12 22:00:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:17,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 22:00:17,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 22:00:17,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1460, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 22:00:17,178 INFO L87 Difference]: Start difference. First operand 45582 states and 61649 transitions. Second operand 41 states. [2018-04-12 22:00:20,656 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 99 DAG size of output 89 [2018-04-12 22:00:20,851 WARN L151 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 112 DAG size of output 92 [2018-04-12 22:00:21,164 WARN L151 SmtUtils]: Spent 249ms on a formula simplification. DAG size of input: 110 DAG size of output 98 [2018-04-12 22:00:21,544 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 104 DAG size of output 89 [2018-04-12 22:00:22,279 WARN L151 SmtUtils]: Spent 196ms on a formula simplification. DAG size of input: 116 DAG size of output 99 [2018-04-12 22:00:25,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:25,486 INFO L93 Difference]: Finished difference Result 49562 states and 66509 transitions. [2018-04-12 22:00:25,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-04-12 22:00:25,486 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 104 [2018-04-12 22:00:25,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:25,527 INFO L225 Difference]: With dead ends: 49562 [2018-04-12 22:00:25,527 INFO L226 Difference]: Without dead ends: 49562 [2018-04-12 22:00:25,527 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4798 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=2555, Invalid=14475, Unknown=0, NotChecked=0, Total=17030 [2018-04-12 22:00:25,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49562 states. [2018-04-12 22:00:25,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49562 to 45580. [2018-04-12 22:00:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45580 states. [2018-04-12 22:00:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45580 states to 45580 states and 61646 transitions. [2018-04-12 22:00:25,844 INFO L78 Accepts]: Start accepts. Automaton has 45580 states and 61646 transitions. Word has length 104 [2018-04-12 22:00:25,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:00:25,845 INFO L459 AbstractCegarLoop]: Abstraction has 45580 states and 61646 transitions. [2018-04-12 22:00:25,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 22:00:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 45580 states and 61646 transitions. [2018-04-12 22:00:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-04-12 22:00:25,847 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:00:25,847 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:00:25,847 INFO L408 AbstractCegarLoop]: === Iteration 129 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:00:25,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1007888259, now seen corresponding path program 3 times [2018-04-12 22:00:25,847 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:00:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:00:25,859 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:00:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:26,359 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:00:26,359 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-12 22:00:26,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:00:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:26,360 INFO L182 omatonBuilderFactory]: Interpolants [3050348#(= 1 (select |#valid| main_~n~0.base)), 3050346#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 3050347#(= 1 (select |#valid| |main_#t~mem7.base|)), 3050344#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base))), 3050345#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))), 3050342#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base))), 3050343#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 3050340#(or (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))), 3050341#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3050338#(or (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (or (not (= main_~n~0.offset 0)) |main_#t~short4|) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1))), 3050339#(or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1))), 3050336#(or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)))), 3050337#(or (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)))) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1))), 3050334#(and (= main_~root~0.offset main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base))), 3050335#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.base|)), 3050332#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))), 3050333#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 3050330#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 3050331#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))), 3050328#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base)), 3050329#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))), 3050326#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 3050327#(and (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base)), 3050324#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base))), 3050325#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 3050322#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 3050323#(and (= 0 main_~root~0.offset) (= 8 (select |#length| main_~root~0.base))), 3050320#true, 3050321#false] [2018-04-12 22:00:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:26,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 22:00:26,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 22:00:26,361 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=719, Unknown=0, NotChecked=0, Total=812 [2018-04-12 22:00:26,361 INFO L87 Difference]: Start difference. First operand 45580 states and 61646 transitions. Second operand 29 states. [2018-04-12 22:00:29,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:29,437 INFO L93 Difference]: Finished difference Result 57079 states and 76457 transitions. [2018-04-12 22:00:29,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-12 22:00:29,437 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 106 [2018-04-12 22:00:29,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:29,477 INFO L225 Difference]: With dead ends: 57079 [2018-04-12 22:00:29,477 INFO L226 Difference]: Without dead ends: 57079 [2018-04-12 22:00:29,477 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1382, Invalid=4938, Unknown=0, NotChecked=0, Total=6320 [2018-04-12 22:00:29,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57079 states. [2018-04-12 22:00:29,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57079 to 45766. [2018-04-12 22:00:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45766 states. [2018-04-12 22:00:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45766 states to 45766 states and 61930 transitions. [2018-04-12 22:00:29,838 INFO L78 Accepts]: Start accepts. Automaton has 45766 states and 61930 transitions. Word has length 106 [2018-04-12 22:00:29,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:00:29,838 INFO L459 AbstractCegarLoop]: Abstraction has 45766 states and 61930 transitions. [2018-04-12 22:00:29,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 22:00:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 45766 states and 61930 transitions. [2018-04-12 22:00:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-04-12 22:00:29,840 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:00:29,840 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:00:29,840 INFO L408 AbstractCegarLoop]: === Iteration 130 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:00:29,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1027787319, now seen corresponding path program 1 times [2018-04-12 22:00:29,840 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:00:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:00:29,854 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:00:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 18 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:30,360 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:00:30,360 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-12 22:00:30,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:00:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:30,360 INFO L182 omatonBuilderFactory]: Interpolants [3153312#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 3153313#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 3153314#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3153315#(and (not (= main_~root~0.base |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= (select |#valid| |main_#t~mem6.base|) 1)), 3153316#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3153317#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0)), 3153318#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 3153319#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base))), 3153320#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 3153321#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 3153322#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 3153323#(= 1 (select |#valid| |main_#t~mem7.base|)), 3153324#(= 1 (select |#valid| main_~n~0.base)), 3153296#true, 3153297#false, 3153298#(= 0 |main_#t~malloc0.offset|), 3153299#(= main_~root~0.offset 0), 3153300#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3153301#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 3153302#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 3153303#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3153304#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3153305#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3153306#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3153307#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3153308#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3153309#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset)), 3153310#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 3153311#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.offset (+ |main_#t~mem13.offset| 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1))] [2018-04-12 22:00:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 18 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:30,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 22:00:30,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 22:00:30,361 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2018-04-12 22:00:30,361 INFO L87 Difference]: Start difference. First operand 45766 states and 61930 transitions. Second operand 29 states. [2018-04-12 22:00:32,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:32,822 INFO L93 Difference]: Finished difference Result 65353 states and 87229 transitions. [2018-04-12 22:00:32,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-12 22:00:32,823 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 106 [2018-04-12 22:00:32,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:32,871 INFO L225 Difference]: With dead ends: 65353 [2018-04-12 22:00:32,872 INFO L226 Difference]: Without dead ends: 65353 [2018-04-12 22:00:32,872 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1490 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1432, Invalid=4420, Unknown=0, NotChecked=0, Total=5852 [2018-04-12 22:00:32,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65353 states. [2018-04-12 22:00:33,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65353 to 55092. [2018-04-12 22:00:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55092 states. [2018-04-12 22:00:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55092 states to 55092 states and 74442 transitions. [2018-04-12 22:00:33,303 INFO L78 Accepts]: Start accepts. Automaton has 55092 states and 74442 transitions. Word has length 106 [2018-04-12 22:00:33,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:00:33,303 INFO L459 AbstractCegarLoop]: Abstraction has 55092 states and 74442 transitions. [2018-04-12 22:00:33,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 22:00:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 55092 states and 74442 transitions. [2018-04-12 22:00:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-04-12 22:00:33,305 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:00:33,305 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:00:33,305 INFO L408 AbstractCegarLoop]: === Iteration 131 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:00:33,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1027787320, now seen corresponding path program 1 times [2018-04-12 22:00:33,305 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:00:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:00:33,316 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:00:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 15 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:33,915 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:00:33,915 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-12 22:00:33,915 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:00:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:33,916 INFO L182 omatonBuilderFactory]: Interpolants [3273889#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 main_~root~0.offset) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4)))), 3273888#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4)))), 3273891#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= 0 main_~root~0.offset) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4)))), 3273890#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 main_~root~0.offset) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4))) (not (= |main_#t~mem12.base| main_~root~0.base))), 3273893#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0)), 3273892#(and (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4)))), 3273895#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 3273894#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 3273873#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= main_~root~0.base main_~n~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3273872#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.offset 0) (= 0 main_~root~0.offset) (= 8 (select |#length| |main_#t~malloc17.base|)) (= main_~root~0.base main_~n~0.base) (= (select |#valid| |main_#t~malloc17.base|) 1) (not (= 0 |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 3273875#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4))) 1) (= 0 main_~root~0.offset) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4)))), 3273874#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= main_~root~0.base main_~n~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3273877#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))) 1) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= main_~n~0.offset main_~root~0.offset)), 3273876#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4))) 1) (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4)))), 3273879#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset)), 3273878#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= main_~n~0.offset main_~root~0.offset)), 3273881#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 3273880#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 3273883#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 3273882#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 3273885#(and (= 0 main_~root~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4)))), 3273884#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 3273887#(and (not (= main_~n~0.base main_~root~0.base)) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4)))), 3273886#(and (= 0 main_~root~0.offset) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ 0 4))) (= (select |#valid| |main_#t~mem6.base|) 1)), 3273867#false, 3273866#true, 3273869#(= 0 main_~root~0.offset), 3273868#(= 0 |main_#t~malloc0.offset|), 3273871#(and (= main_~n~0.offset 0) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base)), 3273870#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1))] [2018-04-12 22:00:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 15 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:33,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 22:00:33,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 22:00:33,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=718, Unknown=0, NotChecked=0, Total=870 [2018-04-12 22:00:33,916 INFO L87 Difference]: Start difference. First operand 55092 states and 74442 transitions. Second operand 30 states. [2018-04-12 22:00:36,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:36,844 INFO L93 Difference]: Finished difference Result 66343 states and 88385 transitions. [2018-04-12 22:00:36,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 22:00:36,845 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 106 [2018-04-12 22:00:36,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:36,891 INFO L225 Difference]: With dead ends: 66343 [2018-04-12 22:00:36,891 INFO L226 Difference]: Without dead ends: 66343 [2018-04-12 22:00:36,892 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1243 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1183, Invalid=4367, Unknown=0, NotChecked=0, Total=5550 [2018-04-12 22:00:36,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66343 states. [2018-04-12 22:00:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66343 to 55214. [2018-04-12 22:00:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55214 states. [2018-04-12 22:00:37,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55214 states to 55214 states and 74583 transitions. [2018-04-12 22:00:37,305 INFO L78 Accepts]: Start accepts. Automaton has 55214 states and 74583 transitions. Word has length 106 [2018-04-12 22:00:37,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:00:37,305 INFO L459 AbstractCegarLoop]: Abstraction has 55214 states and 74583 transitions. [2018-04-12 22:00:37,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 22:00:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 55214 states and 74583 transitions. [2018-04-12 22:00:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-04-12 22:00:37,308 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:00:37,308 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:00:37,308 INFO L408 AbstractCegarLoop]: === Iteration 132 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:00:37,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1342729271, now seen corresponding path program 2 times [2018-04-12 22:00:37,308 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:00:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:00:37,319 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:00:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:38,405 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:00:38,405 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-12 22:00:38,406 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:00:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:38,406 INFO L182 omatonBuilderFactory]: Interpolants [3395571#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0)), 3395570#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3395569#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|))), 3395568#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3395575#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 3395574#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 3395573#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0)), 3395572#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 3395577#(= 1 (select |#valid| main_~n~0.base)), 3395576#(= 1 (select |#valid| |main_#t~mem7.base|)), 3395555#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem19.base| main_~root~0.base)) (= |main_#t~mem19.offset| 0) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3395554#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (or (not (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3395553#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.base main_~n~0.base) (or (not (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3395552#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (or (not (= main_~root~0.offset main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3395559#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset)), 3395558#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3395557#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3395556#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3395563#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3395562#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 3395561#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 3395560#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 3395567#(and (not (= main_~root~0.base |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= (select |#valid| |main_#t~mem6.base|) 1)), 3395566#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3395565#(and (or (not |main_#t~short4|) (and (= main_~root~0.offset main_~n~0.offset) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3395564#(and (= |main_#t~mem3.offset| 0) (or (= |main_#t~mem3.base| 0) (and (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3395543#true, 3395547#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3395546#(= main_~root~0.offset 0), 3395545#(= 0 |main_#t~malloc0.offset|), 3395544#false, 3395551#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~root~0.base main_~n~0.base) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset)) (= 0 |main_#t~malloc17.offset|)), 3395550#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset))), 3395549#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 3395548#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0))] [2018-04-12 22:00:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:38,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 22:00:38,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 22:00:38,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1022, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 22:00:38,407 INFO L87 Difference]: Start difference. First operand 55214 states and 74583 transitions. Second operand 35 states. [2018-04-12 22:00:43,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:43,910 INFO L93 Difference]: Finished difference Result 104403 states and 138488 transitions. [2018-04-12 22:00:43,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-04-12 22:00:43,910 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 106 [2018-04-12 22:00:43,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:43,990 INFO L225 Difference]: With dead ends: 104403 [2018-04-12 22:00:43,990 INFO L226 Difference]: Without dead ends: 104403 [2018-04-12 22:00:43,991 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4251 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2706, Invalid=11336, Unknown=0, NotChecked=0, Total=14042 [2018-04-12 22:00:44,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104403 states. [2018-04-12 22:00:44,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104403 to 68165. [2018-04-12 22:00:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68165 states. [2018-04-12 22:00:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68165 states to 68165 states and 91750 transitions. [2018-04-12 22:00:44,634 INFO L78 Accepts]: Start accepts. Automaton has 68165 states and 91750 transitions. Word has length 106 [2018-04-12 22:00:44,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:00:44,634 INFO L459 AbstractCegarLoop]: Abstraction has 68165 states and 91750 transitions. [2018-04-12 22:00:44,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 22:00:44,635 INFO L276 IsEmpty]: Start isEmpty. Operand 68165 states and 91750 transitions. [2018-04-12 22:00:44,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-04-12 22:00:44,637 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:00:44,637 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:00:44,637 INFO L408 AbstractCegarLoop]: === Iteration 133 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:00:44,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1342729272, now seen corresponding path program 2 times [2018-04-12 22:00:44,637 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:00:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:00:44,648 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:00:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:45,791 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:00:45,791 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-12 22:00:45,791 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:00:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:45,792 INFO L182 omatonBuilderFactory]: Interpolants [3568318#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3568319#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3568316#(= 0 |main_#t~malloc0.offset|), 3568317#(= main_~root~0.offset 0), 3568314#true, 3568315#false, 3568342#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= |main_#t~mem19.base| main_~root~0.base))), 3568343#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 3568340#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= |main_#t~mem18.base| main_~root~0.base))), 3568341#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3568338#(and (not (= main_~n~0.base main_~root~0.base)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= main_~root~0.base |main_#t~malloc17.base|))), 3568339#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3568336#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= main_~root~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~root~0.base) 1) (= (select |#valid| |main_#t~mem6.base|) 1)), 3568337#(and (not (= main_~n~0.base main_~root~0.base)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| main_~root~0.base) 1)), 3568348#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 3568349#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 3568346#(or (not |main_#t~short4|) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 3568347#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 3568344#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 3568345#(or (and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 3568326#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3568327#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.offset main_~root~0.offset)), 3568324#(and (or (= main_~root~0.offset main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (or (not (= main_~root~0.offset main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3568325#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3568322#(and (or (= main_~root~0.offset main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset)) (= 8 (select |#length| |main_#t~malloc17.base|)) (or (not (= main_~root~0.offset main_~n~0.offset)) (= 0 |main_#t~malloc17.offset|)) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset 0)), 3568323#(and (or (= main_~root~0.offset main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (or (not (= main_~root~0.offset main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3568320#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 3568321#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset))), 3568334#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 3568335#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))))), 3568332#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 3568333#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 3568330#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 3568331#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.base main_~root~0.base) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 3568328#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 3568329#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 22:00:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:45,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-12 22:00:45,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-12 22:00:45,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1114, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 22:00:45,792 INFO L87 Difference]: Start difference. First operand 68165 states and 91750 transitions. Second operand 36 states. [2018-04-12 22:00:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:52,050 INFO L93 Difference]: Finished difference Result 114336 states and 151868 transitions. [2018-04-12 22:00:52,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-04-12 22:00:52,051 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 106 [2018-04-12 22:00:52,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:52,268 INFO L225 Difference]: With dead ends: 114336 [2018-04-12 22:00:52,268 INFO L226 Difference]: Without dead ends: 114335 [2018-04-12 22:00:52,268 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4179 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=2456, Invalid=11824, Unknown=0, NotChecked=0, Total=14280 [2018-04-12 22:00:52,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114335 states. [2018-04-12 22:00:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114335 to 91036. [2018-04-12 22:00:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91036 states. [2018-04-12 22:00:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91036 states to 91036 states and 122262 transitions. [2018-04-12 22:00:52,984 INFO L78 Accepts]: Start accepts. Automaton has 91036 states and 122262 transitions. Word has length 106 [2018-04-12 22:00:52,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:00:52,984 INFO L459 AbstractCegarLoop]: Abstraction has 91036 states and 122262 transitions. [2018-04-12 22:00:52,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-12 22:00:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 91036 states and 122262 transitions. [2018-04-12 22:00:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:00:52,986 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:00:52,986 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:00:52,986 INFO L408 AbstractCegarLoop]: === Iteration 134 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:00:52,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1020994910, now seen corresponding path program 4 times [2018-04-12 22:00:52,987 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:00:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:00:53,002 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:00:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:53,925 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:00:53,925 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-12 22:00:53,925 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:00:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:53,926 INFO L182 omatonBuilderFactory]: Interpolants [3773921#(and (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3773920#(or (<= (+ main_~n~0.offset 1) 0) (and (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 3773923#(= 1 (select |#valid| main_~n~0.base)), 3773922#(= 1 (select |#valid| |main_#t~mem7.base|)), 3773913#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= main_~root~0.offset 0)), 3773912#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3773915#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3773914#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3773917#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))))), 3773916#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 3773919#(and (= 0 |main_#t~mem7.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4))))), 3773918#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))))), 3773905#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 |main_#t~mem7.offset|) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base |main_#t~mem7.base|)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.base|)), 3773904#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (or (not |main_#t~short4|) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= main_~root~0.offset 0)), 3773907#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3773906#(and (or (<= (+ main_~n~0.offset 1) 0) (and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3773909#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3773908#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3773911#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3773910#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base))), 3773897#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3773896#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 3773899#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 3773898#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 3773901#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3773900#(and (or (= |main_#t~mem19.base| main_~root~0.base) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) (= |main_#t~mem19.offset| 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 3773903#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (or (and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0)) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))))), 3773902#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 3773891#false, 3773890#true, 3773893#(= main_~root~0.offset 0), 3773892#(= 0 |main_#t~malloc0.offset|), 3773895#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 3773894#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0))] [2018-04-12 22:00:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:00:53,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-12 22:00:53,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-12 22:00:53,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=980, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 22:00:53,926 INFO L87 Difference]: Start difference. First operand 91036 states and 122262 transitions. Second operand 34 states. [2018-04-12 22:00:55,622 WARN L151 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 54 DAG size of output 49 [2018-04-12 22:00:58,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:00:58,067 INFO L93 Difference]: Finished difference Result 123570 states and 163335 transitions. [2018-04-12 22:00:58,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-12 22:00:58,067 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 108 [2018-04-12 22:00:58,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:00:58,158 INFO L225 Difference]: With dead ends: 123570 [2018-04-12 22:00:58,159 INFO L226 Difference]: Without dead ends: 123570 [2018-04-12 22:00:58,159 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2771 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1563, Invalid=8139, Unknown=0, NotChecked=0, Total=9702 [2018-04-12 22:00:58,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123570 states. [2018-04-12 22:00:58,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123570 to 92061. [2018-04-12 22:00:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92061 states. [2018-04-12 22:01:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92061 states to 92061 states and 123719 transitions. [2018-04-12 22:01:00,711 INFO L78 Accepts]: Start accepts. Automaton has 92061 states and 123719 transitions. Word has length 108 [2018-04-12 22:01:00,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:01:00,712 INFO L459 AbstractCegarLoop]: Abstraction has 92061 states and 123719 transitions. [2018-04-12 22:01:00,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-12 22:01:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 92061 states and 123719 transitions. [2018-04-12 22:01:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:01:00,714 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:01:00,714 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:01:00,714 INFO L408 AbstractCegarLoop]: === Iteration 135 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:01:00,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1020994909, now seen corresponding path program 2 times [2018-04-12 22:01:00,715 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:01:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:01:00,735 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:01:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 8 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:02,065 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:01:02,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-12 22:01:02,065 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:01:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:02,066 INFO L182 omatonBuilderFactory]: Interpolants [3989692#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3989693#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3989694#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3989695#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3989688#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 3989689#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 3989690#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3989691#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3989685#true, 3989686#false, 3989687#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 3989720#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4))) (= 0 |main_#t~mem7.offset|)), 3989721#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0)), 3989722#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 3989723#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 3989716#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0)), 3989717#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 3989718#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 3989719#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))))), 3989712#(or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (and (not (= 0 main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))), 3989713#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3989714#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 3989715#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3989708#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= 0 main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)))), 3989709#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (not (= 0 main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)))), 3989710#(or (and (not (= 0 main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 3989711#(or (and (not (= 0 main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 3989704#(and (or (and (= 8 (select |#length| main_~n~0.base)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (<= 0 main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))) (= 1 (select |#valid| main_~n~0.base))), 3989705#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= 8 (select |#length| main_~n~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) |main_#t~short4|) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)))), 3989706#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)))), 3989707#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 3989700#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 3989701#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0)), 3989702#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= |main_#t~mem7.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.base|)), 3989703#(or (and (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 3989696#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 3989697#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 3989698#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 3989699#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0))] [2018-04-12 22:01:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 8 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:02,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 22:01:02,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 22:01:02,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1324, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 22:01:02,066 INFO L87 Difference]: Start difference. First operand 92061 states and 123719 transitions. Second operand 39 states. [2018-04-12 22:01:11,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:01:11,280 INFO L93 Difference]: Finished difference Result 123393 states and 164342 transitions. [2018-04-12 22:01:11,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-04-12 22:01:11,281 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 108 [2018-04-12 22:01:11,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:01:11,376 INFO L225 Difference]: With dead ends: 123393 [2018-04-12 22:01:11,376 INFO L226 Difference]: Without dead ends: 123393 [2018-04-12 22:01:11,377 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8384 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=3506, Invalid=22576, Unknown=0, NotChecked=0, Total=26082 [2018-04-12 22:01:11,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123393 states. [2018-04-12 22:01:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123393 to 103717. [2018-04-12 22:01:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103717 states. [2018-04-12 22:01:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103717 states to 103717 states and 139672 transitions. [2018-04-12 22:01:12,450 INFO L78 Accepts]: Start accepts. Automaton has 103717 states and 139672 transitions. Word has length 108 [2018-04-12 22:01:12,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:01:12,450 INFO L459 AbstractCegarLoop]: Abstraction has 103717 states and 139672 transitions. [2018-04-12 22:01:12,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 22:01:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 103717 states and 139672 transitions. [2018-04-12 22:01:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:01:12,452 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:01:12,453 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:01:12,453 INFO L408 AbstractCegarLoop]: === Iteration 136 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:01:12,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1026720548, now seen corresponding path program 4 times [2018-04-12 22:01:12,453 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:01:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:01:12,471 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:01:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:13,285 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:01:13,285 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-12 22:01:13,285 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:01:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:13,285 INFO L182 omatonBuilderFactory]: Interpolants [4217088#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 4217089#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 4217090#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (or (and (= |main_#t~mem19.offset| 0) (= |main_#t~mem19.base| main_~root~0.base)) (and (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)))), 4217091#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)))), 4217092#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))), 4217093#(and (or (and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 4217094#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (not |main_#t~short4|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 4217095#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 4217096#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.offset|) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base |main_#t~mem7.base|)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.base|)), 4217097#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 4217098#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 4217099#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 4217100#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 4217101#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem12.base| main_~root~0.base)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 4217102#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 4217103#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 4217104#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 4217105#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 4217106#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))), 4217107#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))))), 4217108#(and (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))))), 4217109#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 4217110#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))), 4217111#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 4217112#(= 1 (select |#valid| |main_#t~mem6.base|)), 4217113#(= 1 (select |#valid| main_~n~0.base)), 4217080#true, 4217081#false, 4217082#(= 0 |main_#t~malloc0.offset|), 4217083#(= main_~root~0.offset 0), 4217084#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 4217085#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 4217086#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 4217087#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))] [2018-04-12 22:01:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:13,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-12 22:01:13,285 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-12 22:01:13,286 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=972, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 22:01:13,286 INFO L87 Difference]: Start difference. First operand 103717 states and 139672 transitions. Second operand 34 states. [2018-04-12 22:01:16,223 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 64 DAG size of output 46 [2018-04-12 22:01:17,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:01:17,003 INFO L93 Difference]: Finished difference Result 137047 states and 182042 transitions. [2018-04-12 22:01:17,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-12 22:01:17,020 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 108 [2018-04-12 22:01:17,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:01:17,125 INFO L225 Difference]: With dead ends: 137047 [2018-04-12 22:01:17,125 INFO L226 Difference]: Without dead ends: 137047 [2018-04-12 22:01:17,125 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2178 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1327, Invalid=6505, Unknown=0, NotChecked=0, Total=7832 [2018-04-12 22:01:17,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137047 states. [2018-04-12 22:01:17,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137047 to 104137. [2018-04-12 22:01:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104137 states. [2018-04-12 22:01:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104137 states to 104137 states and 140232 transitions. [2018-04-12 22:01:18,092 INFO L78 Accepts]: Start accepts. Automaton has 104137 states and 140232 transitions. Word has length 108 [2018-04-12 22:01:18,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:01:18,092 INFO L459 AbstractCegarLoop]: Abstraction has 104137 states and 140232 transitions. [2018-04-12 22:01:18,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-12 22:01:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 104137 states and 140232 transitions. [2018-04-12 22:01:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:01:18,304 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:01:18,304 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:01:18,304 INFO L408 AbstractCegarLoop]: === Iteration 137 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:01:18,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1026720547, now seen corresponding path program 3 times [2018-04-12 22:01:18,305 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:01:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:01:18,324 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:01:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 3 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:20,570 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:01:20,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-12 22:01:20,570 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:01:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:20,571 INFO L182 omatonBuilderFactory]: Interpolants [4458436#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))))), 4458437#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= |main_#t~mem18.base| main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 4458438#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))))), 4458439#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))))), 4458432#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| main_~n~0.base) 1) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))))))), 4458433#(and (= (select |#valid| main_~n~0.base) 1) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (or (and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~root~0.base))))), 4458434#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)))), 4458435#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc17.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~malloc17.base|))), 4458444#(and (= 8 (select |#length| main_~n~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))))), 4458445#(and (or (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)) (not (= main_~n~0.offset 0)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 4458446#(and (or (not |main_#t~short4|) (not (= main_~n~0.offset 0)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 4458447#(and (or (not (= main_~n~0.offset 0)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 4458440#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)))))), 4458441#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))))) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 4458442#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))))))), 4458443#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|)))) (not (= |main_#t~mem7.offset| 0))) (= 8 (select |#length| |main_#t~mem7.base|))), 4458448#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 4458449#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 4458450#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 4458412#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset)), 4458413#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8)), 4458414#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 0 |main_#t~malloc17.offset|)), 4458415#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 4458408#true, 4458409#false, 4458410#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 4458411#(and (= 0 main_~root~0.offset) (= 8 (select |#length| main_~root~0.base))), 4458420#(and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))), 4458421#(and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))), 4458422#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| main_~n~0.base)) (or (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= 8 (select |#length| main_~root~0.base))) (not |main_#t~short4|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))), 4458423#(and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))), 4458416#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~mem18.offset| 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 4458417#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 1 (select |#valid| main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 4458418#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 main_~root~0.offset) (not (= (+ |main_#t~mem19.offset| 4) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| |main_#t~mem19.base|))), 4458419#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4458428#(and (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 4458429#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (or (and (= main_~n~0.offset 0) (= 0 |main_#t~malloc11.offset|) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| |main_#t~malloc11.base|))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~malloc11.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~root~0.base))) (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))))), 4458430#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))))), 4458431#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= |main_#t~mem12.base| main_~root~0.base)))) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 4458424#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)))) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4458425#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (or (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= (select |#valid| main_~root~0.base) 1)) (and (= (select |#valid| main_~root~0.base) 1) (or (<= (+ main_~n~0.offset 1) 0) (and (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)))))), 4458426#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)) (or (<= 1 main_~n~0.offset) (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))))))), 4458427#(or (and (or (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))) |main_#t~short4|)] [2018-04-12 22:01:20,571 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 3 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:20,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-12 22:01:20,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-12 22:01:20,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1650, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 22:01:20,571 INFO L87 Difference]: Start difference. First operand 104137 states and 140232 transitions. Second operand 43 states. [2018-04-12 22:01:22,877 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 93 DAG size of output 83 [2018-04-12 22:01:23,863 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 91 DAG size of output 85 [2018-04-12 22:01:24,316 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 91 DAG size of output 85 [2018-04-12 22:01:25,098 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 76 DAG size of output 69 [2018-04-12 22:01:25,831 WARN L151 SmtUtils]: Spent 195ms on a formula simplification. DAG size of input: 85 DAG size of output 76 [2018-04-12 22:01:26,091 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 90 DAG size of output 82 [2018-04-12 22:01:26,336 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 97 DAG size of output 89 [2018-04-12 22:01:26,710 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 100 DAG size of output 87 [2018-04-12 22:01:26,942 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 75 DAG size of output 70 [2018-04-12 22:01:27,174 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 70 DAG size of output 65 [2018-04-12 22:01:29,552 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 93 DAG size of output 78 [2018-04-12 22:01:29,932 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 78 DAG size of output 70 [2018-04-12 22:01:30,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:01:30,144 INFO L93 Difference]: Finished difference Result 146636 states and 195325 transitions. [2018-04-12 22:01:30,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-04-12 22:01:30,144 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 108 [2018-04-12 22:01:30,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:01:30,259 INFO L225 Difference]: With dead ends: 146636 [2018-04-12 22:01:30,259 INFO L226 Difference]: Without dead ends: 146636 [2018-04-12 22:01:30,260 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4875 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=1963, Invalid=14039, Unknown=0, NotChecked=0, Total=16002 [2018-04-12 22:01:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146636 states. [2018-04-12 22:01:31,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146636 to 118259. [2018-04-12 22:01:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118259 states. [2018-04-12 22:01:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118259 states to 118259 states and 160061 transitions. [2018-04-12 22:01:31,240 INFO L78 Accepts]: Start accepts. Automaton has 118259 states and 160061 transitions. Word has length 108 [2018-04-12 22:01:31,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:01:31,240 INFO L459 AbstractCegarLoop]: Abstraction has 118259 states and 160061 transitions. [2018-04-12 22:01:31,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-12 22:01:31,241 INFO L276 IsEmpty]: Start isEmpty. Operand 118259 states and 160061 transitions. [2018-04-12 22:01:31,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:01:31,243 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:01:31,243 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:01:31,243 INFO L408 AbstractCegarLoop]: === Iteration 138 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:01:31,243 INFO L82 PathProgramCache]: Analyzing trace with hash -977568676, now seen corresponding path program 5 times [2018-04-12 22:01:31,243 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:01:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:01:31,463 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:01:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:33,098 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:01:33,099 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-12 22:01:33,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:01:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:33,099 INFO L182 omatonBuilderFactory]: Interpolants [4723528#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 4723529#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 4723530#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 4723531#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem2.offset| 0) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0)) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 4723532#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0)) (= main_~n~0.offset main_~root~0.offset)), 4723533#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 4723534#(and (= main_~root~0.offset 0) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset))))), 4723535#(and (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 4723520#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= |main_#t~malloc11.offset| main_~root~0.offset) (= main_~n~0.offset main_~root~0.offset)), 4723521#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 4723522#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= |main_#t~mem12.offset| 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 4723523#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 4723524#(and (= main_~n~0.base main_~root~0.base) (not (= 0 (+ |main_#t~mem13.offset| 4))) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 4723525#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 4723526#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 4723527#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 4723544#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 4723545#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|))), 4723546#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 4723547#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0)), 4723548#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0)), 4723549#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0)), 4723550#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0)), 4723551#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 4723536#(and (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base))) |main_#t~short4|) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 4723537#(and (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~root~0.base)))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 4723538#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|))) (and (= main_~n~0.base main_~root~0.base) (<= 1 main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))))), 4723539#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 4723540#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (not (= |main_#t~mem12.base| main_~root~0.base)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 4723541#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 4723542#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| main_~root~0.base)) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 4723543#(and (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1)))), 4723552#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))), 4723553#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 4723554#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 4723555#(not |main_#t~short4|), 4723514#true, 4723515#false, 4723516#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 4723517#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 4723518#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 4723519#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 22:01:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:33,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 22:01:33,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 22:01:33,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1518, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 22:01:33,100 INFO L87 Difference]: Start difference. First operand 118259 states and 160061 transitions. Second operand 42 states. [2018-04-12 22:01:34,972 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 88 DAG size of output 72 [2018-04-12 22:01:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:01:39,821 INFO L93 Difference]: Finished difference Result 134164 states and 180638 transitions. [2018-04-12 22:01:39,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-04-12 22:01:39,821 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 108 [2018-04-12 22:01:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:01:39,923 INFO L225 Difference]: With dead ends: 134164 [2018-04-12 22:01:39,923 INFO L226 Difference]: Without dead ends: 134164 [2018-04-12 22:01:39,924 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4144 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1906, Invalid=12614, Unknown=0, NotChecked=0, Total=14520 [2018-04-12 22:01:39,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134164 states. [2018-04-12 22:01:40,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134164 to 123985. [2018-04-12 22:01:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123985 states. [2018-04-12 22:01:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123985 states to 123985 states and 167915 transitions. [2018-04-12 22:01:41,087 INFO L78 Accepts]: Start accepts. Automaton has 123985 states and 167915 transitions. Word has length 108 [2018-04-12 22:01:41,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:01:41,087 INFO L459 AbstractCegarLoop]: Abstraction has 123985 states and 167915 transitions. [2018-04-12 22:01:41,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 22:01:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 123985 states and 167915 transitions. [2018-04-12 22:01:41,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:01:41,089 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:01:41,089 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:01:41,089 INFO L408 AbstractCegarLoop]: === Iteration 139 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:01:41,090 INFO L82 PathProgramCache]: Analyzing trace with hash -496192548, now seen corresponding path program 6 times [2018-04-12 22:01:41,090 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:01:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:01:41,107 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:01:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 20 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:42,077 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:01:42,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-12 22:01:42,077 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:01:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:42,078 INFO L182 omatonBuilderFactory]: Interpolants [4981900#(and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (not |main_#t~short4|)) (= (select |#length| main_~n~0.base) 8)), 4981901#(and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 4981896#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))))), 4981897#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))) (not (= |main_#t~mem7.offset| 0))) (= 8 (select |#length| |main_#t~mem7.base|))), 4981898#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))) (= 8 (select |#length| main_~n~0.base))), 4981899#(and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|))) (= (select |#length| main_~n~0.base) 8)), 4981892#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981893#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981894#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))), 4981895#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 4981888#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc17.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981889#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981890#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem18.base| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 4981891#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981868#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 4981869#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 4981870#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 4981871#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 4981864#false, 4981865#(= 0 |main_#t~malloc0.offset|), 4981866#(= 0 main_~root~0.offset), 4981867#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 4981863#true, 4981884#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981885#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem12.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 4981886#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981887#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981880#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (not (= main_~root~0.base |main_#t~mem6.base|)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981881#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981882#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981883#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc11.base|)) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 4981876#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 4981877#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= (+ |main_#t~mem19.offset| 4) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= (select |#valid| |main_#t~mem19.base|) 1) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) (= (select |#valid| main_~root~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem19.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 4981878#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= (select |#valid| main_~root~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 4981879#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))), 4981872#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)), 4981873#(and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|) (= main_~n~0.offset |main_#t~malloc17.offset|)), 4981874#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 4981875#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~mem18.offset| 0) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))] [2018-04-12 22:01:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 20 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:42,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 22:01:42,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 22:01:42,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1338, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 22:01:42,078 INFO L87 Difference]: Start difference. First operand 123985 states and 167915 transitions. Second operand 39 states. [2018-04-12 22:01:44,123 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 64 DAG size of output 55 [2018-04-12 22:01:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:01:46,477 INFO L93 Difference]: Finished difference Result 140639 states and 189329 transitions. [2018-04-12 22:01:46,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-04-12 22:01:46,477 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 108 [2018-04-12 22:01:46,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:01:46,586 INFO L225 Difference]: With dead ends: 140639 [2018-04-12 22:01:46,586 INFO L226 Difference]: Without dead ends: 140562 [2018-04-12 22:01:46,586 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2631 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1258, Invalid=8444, Unknown=0, NotChecked=0, Total=9702 [2018-04-12 22:01:46,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140562 states. [2018-04-12 22:01:47,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140562 to 130352. [2018-04-12 22:01:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130352 states. [2018-04-12 22:01:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130352 states to 130352 states and 176524 transitions. [2018-04-12 22:01:47,695 INFO L78 Accepts]: Start accepts. Automaton has 130352 states and 176524 transitions. Word has length 108 [2018-04-12 22:01:47,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:01:47,695 INFO L459 AbstractCegarLoop]: Abstraction has 130352 states and 176524 transitions. [2018-04-12 22:01:47,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 22:01:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 130352 states and 176524 transitions. [2018-04-12 22:01:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:01:47,697 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:01:47,697 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:01:47,698 INFO L408 AbstractCegarLoop]: === Iteration 140 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:01:47,698 INFO L82 PathProgramCache]: Analyzing trace with hash -452766314, now seen corresponding path program 7 times [2018-04-12 22:01:47,698 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:01:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:01:47,716 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:01:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:48,460 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:01:48,460 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-12 22:01:48,460 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:01:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:48,461 INFO L182 omatonBuilderFactory]: Interpolants [5253013#true, 5253014#false, 5253015#(= 0 |main_#t~malloc0.offset|), 5253016#(= main_~root~0.offset 0), 5253017#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 5253018#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5253019#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5253020#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5253021#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5253022#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5253023#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 5253040#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (<= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 5253041#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 4)))), 5253042#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) (+ |main_#t~mem6.offset| 4)))), 5253043#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 5253044#(= 1 (select |#valid| |main_#t~mem7.base|)), 5253045#(= 1 (select |#valid| main_~n~0.base)), 5253024#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 5253025#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 5253026#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 5253027#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 5253028#(and (not (= main_~root~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 0 |main_#t~mem6.offset|) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.base|)), 5253029#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 5253030#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 5253031#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 5253032#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 5253033#(and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base))), 5253034#(and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 5253035#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 5253036#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|))), 5253037#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 5253038#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 5253039#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0))] [2018-04-12 22:01:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:48,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 22:01:48,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 22:01:48,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=900, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 22:01:48,461 INFO L87 Difference]: Start difference. First operand 130352 states and 176524 transitions. Second operand 33 states. [2018-04-12 22:01:51,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:01:51,853 INFO L93 Difference]: Finished difference Result 153648 states and 206584 transitions. [2018-04-12 22:01:51,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-12 22:01:51,854 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 108 [2018-04-12 22:01:51,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:01:51,980 INFO L225 Difference]: With dead ends: 153648 [2018-04-12 22:01:51,980 INFO L226 Difference]: Without dead ends: 153648 [2018-04-12 22:01:51,981 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 3 SyntacticMatches, 8 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2704 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1604, Invalid=7902, Unknown=0, NotChecked=0, Total=9506 [2018-04-12 22:01:52,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153648 states. [2018-04-12 22:01:53,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153648 to 135685. [2018-04-12 22:01:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135685 states. [2018-04-12 22:01:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135685 states to 135685 states and 184088 transitions. [2018-04-12 22:01:53,254 INFO L78 Accepts]: Start accepts. Automaton has 135685 states and 184088 transitions. Word has length 108 [2018-04-12 22:01:53,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:01:53,254 INFO L459 AbstractCegarLoop]: Abstraction has 135685 states and 184088 transitions. [2018-04-12 22:01:53,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 22:01:53,254 INFO L276 IsEmpty]: Start isEmpty. Operand 135685 states and 184088 transitions. [2018-04-12 22:01:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:01:53,256 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:01:53,256 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:01:53,256 INFO L408 AbstractCegarLoop]: === Iteration 141 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:01:53,256 INFO L82 PathProgramCache]: Analyzing trace with hash -452766313, now seen corresponding path program 4 times [2018-04-12 22:01:53,257 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:01:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:01:53,277 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:01:54,039 WARN L151 SmtUtils]: Spent 219ms on a formula simplification. DAG size of input: 42 DAG size of output 28 [2018-04-12 22:01:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:54,466 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:01:54,466 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-12 22:01:54,466 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:01:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:54,467 INFO L182 omatonBuilderFactory]: Interpolants [5542532#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| |main_#t~malloc17.base|)) (= 8 (select |#length| main_~n~0.base)) (not (= |main_#t~malloc17.base| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 5542533#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 5542534#(and (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| |main_#t~mem18.base|)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (not (= main_~root~0.base |main_#t~mem18.base|))), 5542535#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 8) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0)), 5542528#(and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5542529#(and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 5542530#(and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5542531#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5542540#(or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 5542541#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 5542542#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 5542543#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 5542536#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 8) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 5542537#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 8) (or (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 7) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))))))), 5542538#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) (+ 0 4)))) (<= (select |#length| |main_#t~mem6.base|) 7)) (<= (select |#length| |main_#t~mem6.base|) 8)), 5542539#(or (<= (+ main_~n~0.offset 1) 0) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 5542516#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5542517#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5542518#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5542519#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5542512#(= main_~root~0.offset 0), 5542513#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 5542514#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5542515#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 5542524#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.base|)), 5542525#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)) (<= (+ main_~n~0.offset 1) 0)) (= main_~root~0.offset 0)), 5542526#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 5542527#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (not (= |main_#t~malloc11.base| main_~root~0.base))), 5542520#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 5542521#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 5542522#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 5542523#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 5542509#true, 5542510#false, 5542511#(= 0 |main_#t~malloc0.offset|)] [2018-04-12 22:01:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:01:54,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 22:01:54,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 22:01:54,467 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1034, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 22:01:54,467 INFO L87 Difference]: Start difference. First operand 135685 states and 184088 transitions. Second operand 35 states. [2018-04-12 22:01:58,469 WARN L151 SmtUtils]: Spent 841ms on a formula simplification. DAG size of input: 54 DAG size of output 38 [2018-04-12 22:01:59,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:01:59,536 INFO L93 Difference]: Finished difference Result 161221 states and 216216 transitions. [2018-04-12 22:01:59,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-12 22:01:59,537 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 108 [2018-04-12 22:01:59,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:01:59,665 INFO L225 Difference]: With dead ends: 161221 [2018-04-12 22:01:59,665 INFO L226 Difference]: Without dead ends: 161221 [2018-04-12 22:01:59,666 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2887 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1488, Invalid=8412, Unknown=0, NotChecked=0, Total=9900 [2018-04-12 22:01:59,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161221 states. [2018-04-12 22:02:00,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161221 to 136072. [2018-04-12 22:02:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136072 states. [2018-04-12 22:02:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136072 states to 136072 states and 184212 transitions. [2018-04-12 22:02:00,855 INFO L78 Accepts]: Start accepts. Automaton has 136072 states and 184212 transitions. Word has length 108 [2018-04-12 22:02:00,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:00,855 INFO L459 AbstractCegarLoop]: Abstraction has 136072 states and 184212 transitions. [2018-04-12 22:02:00,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 22:02:00,856 INFO L276 IsEmpty]: Start isEmpty. Operand 136072 states and 184212 transitions. [2018-04-12 22:02:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:02:00,858 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:00,858 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:00,858 INFO L408 AbstractCegarLoop]: === Iteration 142 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:00,858 INFO L82 PathProgramCache]: Analyzing trace with hash -458491952, now seen corresponding path program 2 times [2018-04-12 22:02:00,859 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:00,872 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:02:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 8 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:01,516 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:02:01,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-12 22:02:01,516 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:02:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:01,517 INFO L182 omatonBuilderFactory]: Interpolants [5839967#true, 5839993#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 5839992#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))), 5839995#(= 1 (select |#valid| main_~n~0.base)), 5839994#(= 1 (select |#valid| |main_#t~mem6.base|)), 5839985#(and (= (select |#valid| main_~n~0.base) 1) (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1)), 5839984#(and (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| main_~root~0.base) 1) (or (and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)))), 5839987#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 5839986#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base |main_#t~malloc17.base|))))), 5839989#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 5839988#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem18.base| main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 5839991#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 5839990#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 5839977#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (and (or (not (= main_~n~0.offset 0)) (not (= 0 |main_#t~mem2.base|))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 5839976#(and (= (select |#valid| main_~root~0.base) 1) (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (and (= main_~n~0.base main_~root~0.base) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))) (= 8 (select |#length| main_~root~0.base))))), 5839979#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)))), 5839978#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)) (or (not (= main_~n~0.offset 0)) |main_#t~short4|) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 5839981#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 5839980#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select |#valid| main_~root~0.base) 1) (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| |main_#t~malloc11.base|))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)))), 5839983#(and (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)))), 5839982#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| main_~root~0.base)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1)), 5839969#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 5839968#false, 5839971#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base))), 5839970#(and (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~root~0.base))), 5839973#(and (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 5839972#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base))), 5839975#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.offset|) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)) (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.base|)), 5839974#(and (not (= 0 main_~n~0.base)) (= main_~n~0.offset 0) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset))] [2018-04-12 22:02:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 8 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:01,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 22:02:01,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 22:02:01,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2018-04-12 22:02:01,517 INFO L87 Difference]: Start difference. First operand 136072 states and 184212 transitions. Second operand 29 states. [2018-04-12 22:02:01,932 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 40 DAG size of output 36 [2018-04-12 22:02:02,872 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 70 DAG size of output 66 [2018-04-12 22:02:03,015 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 73 DAG size of output 67 [2018-04-12 22:02:03,195 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 78 DAG size of output 72 [2018-04-12 22:02:03,572 WARN L151 SmtUtils]: Spent 331ms on a formula simplification. DAG size of input: 82 DAG size of output 72 [2018-04-12 22:02:05,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:02:05,563 INFO L93 Difference]: Finished difference Result 161317 states and 218206 transitions. [2018-04-12 22:02:05,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-12 22:02:05,563 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 108 [2018-04-12 22:02:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:02:05,690 INFO L225 Difference]: With dead ends: 161317 [2018-04-12 22:02:05,690 INFO L226 Difference]: Without dead ends: 161317 [2018-04-12 22:02:05,690 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1198 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1026, Invalid=3944, Unknown=0, NotChecked=0, Total=4970 [2018-04-12 22:02:05,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161317 states. [2018-04-12 22:02:06,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161317 to 144735. [2018-04-12 22:02:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144735 states. [2018-04-12 22:02:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144735 states to 144735 states and 196342 transitions. [2018-04-12 22:02:07,031 INFO L78 Accepts]: Start accepts. Automaton has 144735 states and 196342 transitions. Word has length 108 [2018-04-12 22:02:07,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:07,031 INFO L459 AbstractCegarLoop]: Abstraction has 144735 states and 196342 transitions. [2018-04-12 22:02:07,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 22:02:07,031 INFO L276 IsEmpty]: Start isEmpty. Operand 144735 states and 196342 transitions. [2018-04-12 22:02:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:02:07,033 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:07,033 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:07,033 INFO L408 AbstractCegarLoop]: === Iteration 143 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:07,034 INFO L82 PathProgramCache]: Analyzing trace with hash -458491951, now seen corresponding path program 2 times [2018-04-12 22:02:07,034 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:07,046 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:02:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 8 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:08,029 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:02:08,029 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-12 22:02:08,029 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:02:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:08,029 INFO L182 omatonBuilderFactory]: Interpolants [6146141#(or (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0))) (or (= main_~n~0.offset 0) (= 8 (select |#length| main_~root~0.base))) (= (select |#valid| main_~root~0.base) 1) (or (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0))) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1))), 6146140#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.offset|) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)) (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.base|)), 6146143#(and (or (and (or (and (= main_~n~0.offset 0) |main_#t~short4|) (< (select |#length| main_~n~0.base) (+ main_~n~0.offset 8))) (= (select |#valid| main_~root~0.base) 1)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 6146142#(and (or (and (or (= main_~n~0.offset 0) (< (select |#length| main_~n~0.base) (+ main_~n~0.offset 8))) (= (select |#valid| main_~root~0.base) 1) (or (< (select |#length| main_~n~0.base) (+ main_~n~0.offset 8)) (not (= 0 |main_#t~mem2.base|)))) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 6146137#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 6146136#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~n~0.base))), 6146139#(and (not (= 0 main_~n~0.base)) (= main_~n~0.offset 0) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (= main_~n~0.offset main_~root~0.offset)), 6146138#(and (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base))), 6146133#false, 6146132#true, 6146135#(and (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= 8 (select |#length| main_~root~0.base))), 6146134#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 6146161#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 6146160#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 6146157#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|)))), 6146156#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 6146159#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base))), 6146158#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 6146153#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 6146152#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 6146155#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))), 6146154#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 6146149#(and (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= (select |#valid| main_~n~0.base) 1)), 6146148#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= (select |#valid| main_~n~0.base) 1)), 6146151#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|))), 6146150#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 6146145#(and (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 |main_#t~malloc11.offset|) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| |main_#t~malloc11.base|)))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 6146144#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (< (select |#length| main_~n~0.base) (+ main_~n~0.offset 8)) (= (select |#valid| main_~root~0.base) 1)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)))), 6146147#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (or (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= |main_#t~mem12.base| main_~root~0.base)))) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 6146146#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))))] [2018-04-12 22:02:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 8 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:08,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 22:02:08,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 22:02:08,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2018-04-12 22:02:08,030 INFO L87 Difference]: Start difference. First operand 144735 states and 196342 transitions. Second operand 30 states. [2018-04-12 22:02:08,442 WARN L151 SmtUtils]: Spent 221ms on a formula simplification. DAG size of input: 47 DAG size of output 27 [2018-04-12 22:02:10,608 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 83 DAG size of output 74 [2018-04-12 22:02:11,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:02:11,769 INFO L93 Difference]: Finished difference Result 166691 states and 225581 transitions. [2018-04-12 22:02:11,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-12 22:02:11,769 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 108 [2018-04-12 22:02:11,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:02:11,901 INFO L225 Difference]: With dead ends: 166691 [2018-04-12 22:02:11,901 INFO L226 Difference]: Without dead ends: 166691 [2018-04-12 22:02:11,901 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 897 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=820, Invalid=3602, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 22:02:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166691 states. [2018-04-12 22:02:14,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166691 to 145193. [2018-04-12 22:02:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145193 states. [2018-04-12 22:02:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145193 states to 145193 states and 196885 transitions. [2018-04-12 22:02:14,430 INFO L78 Accepts]: Start accepts. Automaton has 145193 states and 196885 transitions. Word has length 108 [2018-04-12 22:02:14,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:14,430 INFO L459 AbstractCegarLoop]: Abstraction has 145193 states and 196885 transitions. [2018-04-12 22:02:14,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 22:02:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 145193 states and 196885 transitions. [2018-04-12 22:02:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-12 22:02:14,432 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:14,432 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:14,432 INFO L408 AbstractCegarLoop]: === Iteration 144 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:14,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1428496556, now seen corresponding path program 3 times [2018-04-12 22:02:14,433 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:14,438 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:02:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-04-12 22:02:14,463 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 22:02:14,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 22:02:14,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:02:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:14,464 INFO L182 omatonBuilderFactory]: Interpolants [6458122#(and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 6458123#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not |main_#t~short4|)), 6458120#true, 6458121#false, 6458126#(not |main_#t~short10|), 6458124#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))), 6458125#(or (not (= |main_#t~mem8.offset| 0)) (not (= 0 |main_#t~mem8.base|)))] [2018-04-12 22:02:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-04-12 22:02:14,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 22:02:14,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 22:02:14,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-12 22:02:14,464 INFO L87 Difference]: Start difference. First operand 145193 states and 196885 transitions. Second operand 7 states. [2018-04-12 22:02:14,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:02:14,895 INFO L93 Difference]: Finished difference Result 103107 states and 134173 transitions. [2018-04-12 22:02:14,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 22:02:14,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2018-04-12 22:02:14,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:02:14,977 INFO L225 Difference]: With dead ends: 103107 [2018-04-12 22:02:14,977 INFO L226 Difference]: Without dead ends: 103107 [2018-04-12 22:02:14,977 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-04-12 22:02:15,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103107 states. [2018-04-12 22:02:15,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103107 to 88645. [2018-04-12 22:02:15,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88645 states. [2018-04-12 22:02:15,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88645 states to 88645 states and 115054 transitions. [2018-04-12 22:02:15,758 INFO L78 Accepts]: Start accepts. Automaton has 88645 states and 115054 transitions. Word has length 108 [2018-04-12 22:02:15,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:15,759 INFO L459 AbstractCegarLoop]: Abstraction has 88645 states and 115054 transitions. [2018-04-12 22:02:15,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 22:02:15,759 INFO L276 IsEmpty]: Start isEmpty. Operand 88645 states and 115054 transitions. [2018-04-12 22:02:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-12 22:02:15,761 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:15,761 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:15,761 INFO L408 AbstractCegarLoop]: === Iteration 145 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:15,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1533956971, now seen corresponding path program 3 times [2018-04-12 22:02:15,761 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:15,776 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:02:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:16,725 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:02:16,725 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-12 22:02:16,725 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:02:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:16,726 INFO L182 omatonBuilderFactory]: Interpolants [6649893#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 6649892#(= main_~root~0.offset 0), 6649895#(and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6649894#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6649889#true, 6649891#(= |main_#t~malloc0.offset| 0), 6649890#false, 6649901#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 6649900#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 6649903#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 6649902#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 6649897#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6649896#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6649899#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6649898#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6649909#(or (and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))) (<= (+ main_~n~0.offset 1) 0)), 6649908#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|)), 6649911#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= main_~n~0.offset 0) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 6649910#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))), 6649905#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| main_~pred~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 6649904#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 6649907#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| main_~pred~0.base) (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|)), 6649906#(and (= 0 |main_#t~mem20.offset|) (= 1 (select |#valid| |main_~#sentinel~0.base|)) (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| main_~pred~0.base) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 6649917#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 6649916#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 6649919#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 6649918#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 6649913#(or (<= (+ main_~n~0.offset 1) 0) (and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (<= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)))), 6649912#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (or (<= (+ main_~pred~0.offset 1) 0) (and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (<= main_~pred~0.offset 0) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|)))), 6649915#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (<= main_~n~0.offset 0) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 6649914#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (<= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 6649925#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)), 6649924#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))), 6649927#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| main_~n~0.base)), 6649926#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| main_~succ~0.base)), 6649921#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 6649920#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 6649923#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 6649922#(and (= 1 (select |#valid| |main_~#sentinel~0.base|)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 6649928#(= 1 (select |#valid| main_~n~0.base))] [2018-04-12 22:02:16,726 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:16,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-12 22:02:16,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-12 22:02:16,726 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1442, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 22:02:16,726 INFO L87 Difference]: Start difference. First operand 88645 states and 115054 transitions. Second operand 40 states. [2018-04-12 22:02:21,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:02:21,392 INFO L93 Difference]: Finished difference Result 93186 states and 120731 transitions. [2018-04-12 22:02:21,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-04-12 22:02:21,392 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 109 [2018-04-12 22:02:21,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:02:21,464 INFO L225 Difference]: With dead ends: 93186 [2018-04-12 22:02:21,464 INFO L226 Difference]: Without dead ends: 93186 [2018-04-12 22:02:21,465 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 5 SyntacticMatches, 11 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3737 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1469, Invalid=12337, Unknown=0, NotChecked=0, Total=13806 [2018-04-12 22:02:21,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93186 states. [2018-04-12 22:02:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93186 to 88665. [2018-04-12 22:02:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88665 states. [2018-04-12 22:02:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88665 states to 88665 states and 115076 transitions. [2018-04-12 22:02:22,195 INFO L78 Accepts]: Start accepts. Automaton has 88665 states and 115076 transitions. Word has length 109 [2018-04-12 22:02:22,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:22,195 INFO L459 AbstractCegarLoop]: Abstraction has 88665 states and 115076 transitions. [2018-04-12 22:02:22,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-12 22:02:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 88665 states and 115076 transitions. [2018-04-12 22:02:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-12 22:02:22,197 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:22,197 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:22,197 INFO L408 AbstractCegarLoop]: === Iteration 146 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:22,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1533956970, now seen corresponding path program 2 times [2018-04-12 22:02:22,197 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:22,210 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:02:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:23,633 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:02:23,633 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-12 22:02:23,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:02:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:23,634 INFO L182 omatonBuilderFactory]: Interpolants [6831976#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)), 6831977#(and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base)), 6831978#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)), 6831968#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 6831969#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 6831970#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 6831971#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 6831972#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 6831973#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 6831974#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 6831975#(and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 6831944#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6831945#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6831946#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (or (not (= main_~n~0.base |main_#t~mem13.base|)) (<= main_~n~0.offset |main_#t~mem13.offset|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6831947#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6831948#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 6831949#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6831950#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 6831951#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 6831936#true, 6831937#false, 6831938#(= |main_#t~malloc0.offset| 0), 6831939#(= main_~root~0.offset 0), 6831940#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 6831941#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6831942#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6831943#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 6831960#(and (= main_~n~0.offset 0) (or (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)))), 6831961#(and (or (<= (+ main_~pred~0.offset 1) 0) (and (or (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) 0))) (or (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) main_~pred~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) 0))))) (<= main_~pred~0.offset 0)), 6831962#(or (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (<= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_~#sentinel~0.offset|)) (<= (+ main_~n~0.offset 1) 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))), 6831963#(or (not (= |main_#t~mem20.base| 0)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (<= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_~#sentinel~0.offset|))), 6831964#(or (not (= main_~succ~0.base 0)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (<= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_~#sentinel~0.offset|))), 6831965#(or (not (= main_~succ~0.base 0)) (and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4))) (<= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|))), 6831966#(or (not (= main_~succ~0.base 0)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (<= main_~n~0.offset 0) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 6831967#(and (or (not (= main_~n~0.base 0)) (and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)))) (or (not (= main_~n~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)))), 6831952#(and (= main_~root~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 |main_~#sentinel~0.offset|) (not (= |main_~#sentinel~0.base| 0))), 6831953#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= main_~pred~0.base 0)) (= |main_~#sentinel~0.base| main_~pred~0.base) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 6831954#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= main_~pred~0.base 0)) (= |main_~#sentinel~0.base| main_~pred~0.base) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 6831955#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= main_~pred~0.base 0)) (= |main_~#sentinel~0.base| main_~pred~0.base) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 6831956#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)) 0)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 6831957#(and (= main_~n~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~n~0.offset 4)) 0)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))))), 6831958#(and (= main_~n~0.offset 0) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ main_~n~0.offset 4)) 0)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 6831959#(and (= main_~n~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= main_~pred~0.base main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))))))] [2018-04-12 22:02:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:23,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-12 22:02:23,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-12 22:02:23,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1682, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 22:02:23,634 INFO L87 Difference]: Start difference. First operand 88665 states and 115076 transitions. Second operand 43 states. [2018-04-12 22:02:29,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:02:29,095 INFO L93 Difference]: Finished difference Result 93369 states and 120944 transitions. [2018-04-12 22:02:29,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-04-12 22:02:29,096 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 109 [2018-04-12 22:02:29,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:02:29,169 INFO L225 Difference]: With dead ends: 93369 [2018-04-12 22:02:29,169 INFO L226 Difference]: Without dead ends: 93369 [2018-04-12 22:02:29,169 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 5 SyntacticMatches, 11 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3700 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1327, Invalid=12715, Unknown=0, NotChecked=0, Total=14042 [2018-04-12 22:02:29,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93369 states. [2018-04-12 22:02:29,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93369 to 88635. [2018-04-12 22:02:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88635 states. [2018-04-12 22:02:30,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88635 states to 88635 states and 115044 transitions. [2018-04-12 22:02:30,027 INFO L78 Accepts]: Start accepts. Automaton has 88635 states and 115044 transitions. Word has length 109 [2018-04-12 22:02:30,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:30,028 INFO L459 AbstractCegarLoop]: Abstraction has 88635 states and 115044 transitions. [2018-04-12 22:02:30,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-12 22:02:30,028 INFO L276 IsEmpty]: Start isEmpty. Operand 88635 states and 115044 transitions. [2018-04-12 22:02:30,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-12 22:02:30,029 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:30,029 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:30,030 INFO L408 AbstractCegarLoop]: === Iteration 147 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:30,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1749893075, now seen corresponding path program 4 times [2018-04-12 22:02:30,030 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:30,049 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:02:32,398 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 26 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:32,398 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:02:32,398 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-04-12 22:02:32,398 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:02:32,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:32,399 INFO L182 omatonBuilderFactory]: Interpolants [7014139#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 7014138#(= main_~root~0.offset 0), 7014137#(= |main_#t~malloc0.offset| 0), 7014136#false, 7014143#(and (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) |main_#t~short4|) (= main_~root~0.offset 0)), 7014142#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 7014141#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 7014140#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 7014135#true, 7014186#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base)), 7014185#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 7014184#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 7014179#(and (= 0 |main_#t~mem20.offset|) (or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 0 |main_#t~mem20.base|))), 7014178#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7014177#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7014176#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|)) (or (and (not (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7014183#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 7014182#(and (= main_~n~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 main_~n~0.base))), 7014181#(and (= 0 main_~succ~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (= 0 main_~succ~0.base))), 7014180#(and (= 0 main_~succ~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base))) (= 0 main_~succ~0.base))), 7014155#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) main_~n~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) main_~n~0.offset)))), 7014154#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem18.offset| (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) main_~n~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 7014153#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 7014152#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~malloc17.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) |main_#t~malloc17.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 |main_#t~malloc17.offset|)), 7014159#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7014158#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))))) (= main_~root~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 7014157#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 7014156#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) (select (store (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (store (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))))), 7014147#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (select (store (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) main_~n~0.offset)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 7014146#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (select (store (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) main_~n~0.offset)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 7014145#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~malloc11.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset)), 7014144#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 7014151#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7014150#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not |main_#t~short16|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 7014149#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (select (store (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) main_~n~0.offset)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem14.offset|) (= main_~n~0.offset main_~root~0.offset)), 7014148#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (select (store (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) main_~n~0.offset)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) main_~n~0.offset) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 7014171#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (= main_~n~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= (select |#length| main_~n~0.base) 8) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7014170#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_~#sentinel~0.offset|))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem21.base|)) (= (select |#length| main_~n~0.base) 8) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 7014169#(or (<= (+ main_~n~0.offset 1) 0) (and (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))))) (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)))), 7014168#(and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) main_~pred~0.base)) (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|))) (not (= main_~pred~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|)) (= 8 (select |#length| main_~pred~0.base))), 7014175#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|)) (and (not (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))))) (not (= main_~n~0.base main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7014174#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_~#sentinel~0.offset|)) (or (and (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_~#sentinel~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|)))), 7014173#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7014172#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|)) (or (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|))) (not (= main_~pred~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|))))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 7014163#(and (or (and (= 8 (select |#length| main_~succ~0.base)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (and (not (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) |main_~#sentinel~0.offset|))))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= 0 main_~succ~0.offset) (not (= main_~n~0.base main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7014162#(and (= 0 main_~succ~0.offset) (or (and (= 8 (select |#length| main_~succ~0.base)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset |main_#t~mem21.offset|) |main_~#sentinel~0.offset|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset |main_#t~mem21.offset|) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base |main_#t~mem21.base|)) (not (= main_~succ~0.base |main_#t~mem21.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset |main_#t~mem21.offset|) |main_~#sentinel~0.offset|)))) (= 0 |main_#t~mem21.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (not (= main_~n~0.base main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7014161#(and (= 0 main_~succ~0.offset) (or (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (and (not (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)))))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (not (= main_~n~0.base main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7014160#(and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (or (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (and (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (store (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 7014167#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 7014166#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 8 (select |#length| main_~n~0.base)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (and (not (= main_~pred~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)))))), 7014165#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 8 (select |#length| main_~n~0.base)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (and (not (= main_~pred~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)))))) (<= (+ main_~n~0.offset 1) 0)), 7014164#(or (<= (+ main_~n~0.offset 1) 0) (and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= main_~n~0.base main_~pred~0.base)) (= 8 (select |#length| main_~n~0.base)) (or (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)) (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)))))) (= |main_~#sentinel~0.base| main_~n~0.base))))] [2018-04-12 22:02:32,399 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 26 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:32,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-12 22:02:32,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-12 22:02:32,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2474, Unknown=0, NotChecked=0, Total=2652 [2018-04-12 22:02:32,400 INFO L87 Difference]: Start difference. First operand 88635 states and 115044 transitions. Second operand 52 states. [2018-04-12 22:02:34,252 WARN L151 SmtUtils]: Spent 673ms on a formula simplification. DAG size of input: 69 DAG size of output 60 [2018-04-12 22:02:36,215 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 149 DAG size of output 93 [2018-04-12 22:02:38,768 WARN L151 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 113 DAG size of output 99 [2018-04-12 22:02:38,947 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 109 DAG size of output 95 [2018-04-12 22:02:39,195 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 129 DAG size of output 115 [2018-04-12 22:02:40,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:02:40,842 INFO L93 Difference]: Finished difference Result 88729 states and 115141 transitions. [2018-04-12 22:02:40,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-04-12 22:02:40,843 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 109 [2018-04-12 22:02:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:02:40,906 INFO L225 Difference]: With dead ends: 88729 [2018-04-12 22:02:40,906 INFO L226 Difference]: Without dead ends: 88729 [2018-04-12 22:02:40,906 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 5 SyntacticMatches, 7 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4362 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1370, Invalid=14632, Unknown=0, NotChecked=0, Total=16002 [2018-04-12 22:02:40,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88729 states. [2018-04-12 22:02:41,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88729 to 88655. [2018-04-12 22:02:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88655 states. [2018-04-12 22:02:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88655 states to 88655 states and 115065 transitions. [2018-04-12 22:02:41,559 INFO L78 Accepts]: Start accepts. Automaton has 88655 states and 115065 transitions. Word has length 109 [2018-04-12 22:02:41,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:41,559 INFO L459 AbstractCegarLoop]: Abstraction has 88655 states and 115065 transitions. [2018-04-12 22:02:41,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-12 22:02:41,559 INFO L276 IsEmpty]: Start isEmpty. Operand 88655 states and 115065 transitions. [2018-04-12 22:02:41,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-04-12 22:02:41,560 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:41,561 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:41,561 INFO L408 AbstractCegarLoop]: === Iteration 148 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:41,561 INFO L82 PathProgramCache]: Analyzing trace with hash 541608209, now seen corresponding path program 6 times [2018-04-12 22:02:41,561 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:41,569 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:02:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:42,283 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:02:42,283 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-12 22:02:42,283 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:02:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:42,283 INFO L182 omatonBuilderFactory]: Interpolants [7191725#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 7191724#(= main_~root~0.offset 0), 7191727#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7191726#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7191721#true, 7191723#(= |main_#t~malloc0.offset| 0), 7191722#false, 7191741#(and (or (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)) (not (= main_~n~0.offset 0))) (<= main_~n~0.offset 0)), 7191740#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (<= main_~pred~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 7191743#(and (<= main_~n~0.offset 0) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7191742#(and (<= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7191737#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7191736#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7191739#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 7191738#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 7191733#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 7191732#(and (or (and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~n~0.offset) 0) (= main_~n~0.offset main_~root~0.offset))) (= main_~root~0.offset 0)), 7191735#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7191734#(and (= main_~root~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 |main_~#sentinel~0.offset|)), 7191729#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7191728#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7191731#(and (or (not (= main_~n~0.base |main_#t~mem13.base|)) (and (<= main_~n~0.offset |main_#t~mem13.offset|) (= main_~n~0.offset main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 7191730#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7191757#(= 1 (select |#valid| |main_#t~mem20.base|)), 7191756#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 7191759#(= 1 (select |#valid| main_~n~0.base)), 7191758#(= 1 (select |#valid| main_~succ~0.base)), 7191753#(and (= |main_~#sentinel~0.offset| 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7191752#(and (= |main_~#sentinel~0.offset| 0) (= 1 (select |#valid| |main_#t~mem21.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7191755#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7191754#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= |main_~#sentinel~0.offset| main_~pred~0.offset)), 7191749#(and (= 1 (select |#valid| main_~pred~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7191748#(and (= 1 (select |#valid| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7191751#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))) (= 0 |main_~#sentinel~0.offset|)), 7191750#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7191745#(and (= 1 (select |#valid| main_~pred~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 7191744#(and (<= main_~n~0.offset 0) (= 1 (select |#valid| main_~n~0.base)) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7191747#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 1 (select |#valid| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|)), 7191746#(and (= 1 (select |#valid| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))] [2018-04-12 22:02:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:42,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 22:02:42,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 22:02:42,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 22:02:42,284 INFO L87 Difference]: Start difference. First operand 88655 states and 115065 transitions. Second operand 39 states. [2018-04-12 22:02:47,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:02:47,287 INFO L93 Difference]: Finished difference Result 91853 states and 119129 transitions. [2018-04-12 22:02:47,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-04-12 22:02:47,288 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 111 [2018-04-12 22:02:47,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:02:47,353 INFO L225 Difference]: With dead ends: 91853 [2018-04-12 22:02:47,353 INFO L226 Difference]: Without dead ends: 91853 [2018-04-12 22:02:47,354 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 6 SyntacticMatches, 7 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5164 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2205, Invalid=15885, Unknown=0, NotChecked=0, Total=18090 [2018-04-12 22:02:47,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91853 states. [2018-04-12 22:02:48,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91853 to 88752. [2018-04-12 22:02:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88752 states. [2018-04-12 22:02:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88752 states to 88752 states and 115179 transitions. [2018-04-12 22:02:48,337 INFO L78 Accepts]: Start accepts. Automaton has 88752 states and 115179 transitions. Word has length 111 [2018-04-12 22:02:48,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:48,337 INFO L459 AbstractCegarLoop]: Abstraction has 88752 states and 115179 transitions. [2018-04-12 22:02:48,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 22:02:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 88752 states and 115179 transitions. [2018-04-12 22:02:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-04-12 22:02:48,339 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:48,339 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:48,339 INFO L408 AbstractCegarLoop]: === Iteration 149 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:48,339 INFO L82 PathProgramCache]: Analyzing trace with hash 541608210, now seen corresponding path program 4 times [2018-04-12 22:02:48,340 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:48,351 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:02:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:49,164 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:02:49,164 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-12 22:02:49,164 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:02:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:49,165 INFO L182 omatonBuilderFactory]: Interpolants [7372592#(and (= 8 (select |#length| main_~succ~0.base)) (= 0 main_~succ~0.offset)), 7372593#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 7372576#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 |main_~#sentinel~0.offset|) (or (= |main_~#sentinel~0.base| main_~pred~0.base) (= 8 (select |#length| main_~pred~0.base)))), 7372577#(and (= 0 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 7372578#(and (<= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7372579#(and (<= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (<= 0 main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7372580#(and (= 0 main_~pred~0.offset) (= 0 |main_~#sentinel~0.offset|) (= 8 (select |#length| main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 7372581#(and (= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 8 (select |#length| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|)), 7372582#(and (= 0 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7372583#(and (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= 8 (select |#length| main_~pred~0.base))), 7372584#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7372585#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))) (= 0 |main_~#sentinel~0.offset|)), 7372586#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0)), 7372587#(and (= 0 |main_#t~mem21.offset|) (= main_~n~0.offset 0) (= 8 (select |#length| |main_#t~mem21.base|))), 7372588#(and (= main_~n~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7372589#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 7372590#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7372591#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 7372560#(= main_~root~0.offset 0), 7372561#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 7372562#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7372563#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 7372564#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7372565#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7372566#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= 8 (select |#length| |main_#t~mem13.base|)) (<= main_~n~0.offset |main_#t~mem13.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 7372567#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~n~0.offset) 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7372568#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 7372569#(and (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= main_~root~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 |main_~#sentinel~0.offset|)), 7372570#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7372571#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| |main_#t~mem20.base|))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7372572#(and (or (= 8 (select |#length| main_~succ~0.base)) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7372573#(and (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7372574#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7372575#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7372557#true, 7372558#false, 7372559#(= |main_#t~malloc0.offset| 0)] [2018-04-12 22:02:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:49,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 22:02:49,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 22:02:49,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1223, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 22:02:49,165 INFO L87 Difference]: Start difference. First operand 88752 states and 115179 transitions. Second operand 37 states. [2018-04-12 22:02:52,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:02:52,538 INFO L93 Difference]: Finished difference Result 91846 states and 119117 transitions. [2018-04-12 22:02:52,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-12 22:02:52,538 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 111 [2018-04-12 22:02:52,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:02:52,605 INFO L225 Difference]: With dead ends: 91846 [2018-04-12 22:02:52,606 INFO L226 Difference]: Without dead ends: 91846 [2018-04-12 22:02:52,606 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 8 SyntacticMatches, 7 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=840, Invalid=6816, Unknown=0, NotChecked=0, Total=7656 [2018-04-12 22:02:52,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91846 states. [2018-04-12 22:02:53,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91846 to 88797. [2018-04-12 22:02:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88797 states. [2018-04-12 22:02:53,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88797 states to 88797 states and 115228 transitions. [2018-04-12 22:02:53,296 INFO L78 Accepts]: Start accepts. Automaton has 88797 states and 115228 transitions. Word has length 111 [2018-04-12 22:02:53,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:53,296 INFO L459 AbstractCegarLoop]: Abstraction has 88797 states and 115228 transitions. [2018-04-12 22:02:53,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 22:02:53,296 INFO L276 IsEmpty]: Start isEmpty. Operand 88797 states and 115228 transitions. [2018-04-12 22:02:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-04-12 22:02:53,298 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:53,298 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:53,299 INFO L408 AbstractCegarLoop]: === Iteration 150 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:53,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1210825300, now seen corresponding path program 1 times [2018-04-12 22:02:53,299 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:53,313 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:02:53,600 WARN L151 SmtUtils]: Spent 162ms on a formula simplification. DAG size of input: 24 DAG size of output 22 [2018-04-12 22:02:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 22:02:54,419 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:02:54,420 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-12 22:02:54,420 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:02:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:02:54,420 INFO L182 omatonBuilderFactory]: Interpolants [7553339#true, 7553343#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset)), 7553342#(= 0 main_~root~0.offset), 7553341#(= 0 |main_#t~malloc0.offset|), 7553340#false, 7553363#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= |main_#t~mem18.base| main_~root~0.base))), 7553362#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 7553361#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= (+ main_~n~0.offset 4) main_~root~0.offset))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base |main_#t~malloc17.base|))) (and (= main_~n~0.base main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (not (= (+ main_~n~0.offset 4) main_~root~0.offset))))), 7553360#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= main_~root~0.offset (+ main_~n~0.offset 4))))) (= (select |#valid| main_~n~0.base) 1)), 7553367#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))), 7553366#(or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 7553365#(or (and (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= |main_#t~mem19.base| main_~root~0.base))) (and (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 7553364#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 7553370#(or (not (= 0 main_~n~0.base)) (not (= main_~n~0.offset 0))), 7553369#(or (not (= main_~succ~0.offset 0)) (not (= 0 main_~succ~0.base))), 7553368#(or (not (= 0 |main_#t~mem20.base|)) (not (= |main_#t~mem20.offset| 0))), 7553347#(and (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= main_~n~0.offset main_~root~0.offset)), 7553346#(and (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (= main_~n~0.offset main_~root~0.offset)), 7553345#(and (= 0 main_~root~0.offset) (= (select |#valid| main_~root~0.base) 1)), 7553344#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1)), 7553351#(or (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= main_~n~0.base main_~root~0.base) (or (and (or (<= (+ main_~n~0.offset 4) 0) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)))) (and (or (<= (+ main_~n~0.offset 4) 0) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))))) (= (select |#valid| main_~n~0.base) 1)) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1))), 7553350#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (<= main_~root~0.offset 0)) (and (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (<= main_~root~0.offset 0))) (= (select |#valid| main_~root~0.base) 1)), 7553349#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~n~0.offset main_~root~0.offset)), 7553348#(or (and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (or (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~n~0.offset main_~root~0.offset)) (not |main_#t~short4|)), 7553355#(and (or (and (= (select |#valid| main_~n~0.base) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= main_~n~0.offset main_~root~0.offset))) (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= main_~n~0.offset main_~root~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))))) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 7553354#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= main_~n~0.offset main_~root~0.offset))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= main_~n~0.offset main_~root~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))))), 7553353#(and (or (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= main_~n~0.offset main_~root~0.offset))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)) |main_#t~short4| (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= main_~n~0.offset main_~root~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))))) (= 1 (select |#valid| main_~n~0.base))), 7553352#(and (or (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)) (not (= 0 |main_#t~mem2.base|)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= main_~n~0.offset main_~root~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (or (and (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= main_~n~0.offset main_~root~0.offset))) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)))))) (= 1 (select |#valid| main_~n~0.base))), 7553359#(and (or (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)) (and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= main_~root~0.offset (+ main_~n~0.offset 4))))))) (= (select |#valid| main_~n~0.base) 1)), 7553358#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 7553357#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (not (= |main_#t~mem12.base| main_~root~0.base))))), 7553356#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.offset (+ main_~n~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))) (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0)) (not (= main_~root~0.offset (+ main_~n~0.offset 4)))) (and (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base)))] [2018-04-12 22:02:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 22:02:54,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 22:02:54,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 22:02:54,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=874, Unknown=0, NotChecked=0, Total=992 [2018-04-12 22:02:54,421 INFO L87 Difference]: Start difference. First operand 88797 states and 115228 transitions. Second operand 32 states. [2018-04-12 22:02:57,092 WARN L151 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 76 DAG size of output 62 [2018-04-12 22:02:57,293 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 81 DAG size of output 67 [2018-04-12 22:02:57,591 WARN L151 SmtUtils]: Spent 181ms on a formula simplification. DAG size of input: 82 DAG size of output 59 [2018-04-12 22:02:58,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:02:58,556 INFO L93 Difference]: Finished difference Result 54768 states and 70531 transitions. [2018-04-12 22:02:58,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-12 22:02:58,556 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 111 [2018-04-12 22:02:58,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:02:58,594 INFO L225 Difference]: With dead ends: 54768 [2018-04-12 22:02:58,594 INFO L226 Difference]: Without dead ends: 54768 [2018-04-12 22:02:58,595 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1822 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1293, Invalid=6189, Unknown=0, NotChecked=0, Total=7482 [2018-04-12 22:02:58,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54768 states. [2018-04-12 22:02:58,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54768 to 39310. [2018-04-12 22:02:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39310 states. [2018-04-12 22:02:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39310 states to 39310 states and 51330 transitions. [2018-04-12 22:02:58,939 INFO L78 Accepts]: Start accepts. Automaton has 39310 states and 51330 transitions. Word has length 111 [2018-04-12 22:02:58,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:02:58,940 INFO L459 AbstractCegarLoop]: Abstraction has 39310 states and 51330 transitions. [2018-04-12 22:02:58,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 22:02:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 39310 states and 51330 transitions. [2018-04-12 22:02:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-04-12 22:02:58,941 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:02:58,941 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:02:58,941 INFO L408 AbstractCegarLoop]: === Iteration 151 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:02:58,942 INFO L82 PathProgramCache]: Analyzing trace with hash 199708050, now seen corresponding path program 2 times [2018-04-12 22:02:58,942 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:02:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:02:58,972 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:03:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:02,287 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:03:02,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-04-12 22:03:02,287 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:03:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:02,288 INFO L182 omatonBuilderFactory]: Interpolants [7647604#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (= main_~n~0.offset 0) (= 0 main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 7647605#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 7647606#(= 1 (select |#valid| main_~n~0.base)), 7647600#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select |#valid| 0)) (= main_~n~0.base 0)) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset))), 7647601#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select |#valid| 0)) (= main_~n~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 7647602#(or (= 1 (select |#valid| |main_#t~mem20.base|)) (and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 7647603#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (= 1 (select |#valid| main_~succ~0.base)) (and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base))), 7647588#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base))) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (or (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0) (= 0 (select |#valid| 0)))))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 7647589#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (or (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0) (= 0 (select |#valid| 0))))))), 7647590#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (<= main_~root~0.offset 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))))), 7647591#(or (and (not (= |main_#t~mem19.base| main_~root~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= (+ |main_#t~mem19.offset| 4) main_~root~0.offset)) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset))) (and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 7647584#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| main_~n~0.base) 1) (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0))) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 7647585#(and (= (select |#valid| main_~n~0.base) 1) (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0))) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 7647586#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)) (= main_~root~0.offset 0)), 7647587#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (not (= main_~n~0.base main_~root~0.base)) (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0) (= 0 (select |#valid| 0)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))) (not (= main_~root~0.base |main_#t~malloc17.base|))) (and (= main_~root~0.base |main_#t~malloc17.base|) (= main_~root~0.offset |main_#t~malloc17.offset|) (= 0 |main_#t~malloc17.offset|)))), 7647596#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base))) (and (or (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)))) (not (= main_~n~0.base main_~succ~0.base)))) (= |main_~#sentinel~0.offset| main_~succ~0.offset)) (and (= 0 main_~succ~0.base) (= 0 (select |#valid| 0)))), 7647597#(or (and (or (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)))) (not (= main_~n~0.base main_~succ~0.base))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)) (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base))) (and (= 0 main_~succ~0.base) (= 0 (select |#valid| 0)))), 7647598#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)) (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (= 0 main_~succ~0.base) (= 0 (select |#valid| 0)))), 7647599#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= main_~n~0.offset 0) (= 0 main_~n~0.base)) (and (= 0 main_~n~0.base) (= 0 (select |#valid| 0))) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset))), 7647592#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 7647593#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 7647594#(or (and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))))), 7647595#(or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= 0 |main_#t~mem20.base|) (= 0 (select |#valid| 0))) (and (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base |main_#t~mem20.base|)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|)) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 7647572#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 7647573#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 7647574#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 7647575#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 7647568#(and (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 7647569#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 7647570#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (not (= main_~n~0.offset (+ |main_#t~mem13.offset| 4))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))), 7647571#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 7647580#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (or (= 8 (select |#length| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0))) (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)))), 7647581#(and (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~root~0.offset 0) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= |main_#t~malloc11.offset| 0) (= 1 (select |#valid| |main_#t~malloc11.base|))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))))) (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (or (= 8 (select |#length| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0))) (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0))) (not (= |main_#t~malloc11.base| main_~n~0.base))), 7647582#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (or (= 8 (select |#length| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0))) (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)))), 7647583#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))) (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (not (= main_~n~0.offset 0)) (or (= 8 (select |#length| main_~n~0.base)) (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| main_~root~0.base)))) (<= 0 main_~n~0.offset)) (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (not (= |main_#t~mem12.base| main_~root~0.base)))) (= 1 (select |#valid| main_~n~0.base)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 7647576#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= main_~root~0.base main_~n~0.base) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0)), 7647577#(and (or (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base))) (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (or (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (= 8 (select |#length| main_~n~0.base))))) (or (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (or (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)))) (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 7647578#(and (or (and (or (= main_~n~0.offset 0) (and (= 8 (select |#length| main_~n~0.base)) (<= 0 main_~n~0.offset))) (or (not (= main_~n~0.offset 0)) (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))))) (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (or (and (or (< 0 main_~n~0.offset) (and (or (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)))) (<= 0 main_~n~0.offset))) (or (and (not (= main_~n~0.base main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (= 8 (select |#length| main_~n~0.base)))) (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 7647579#(or |main_#t~short4| (and (or (and (not (= main_~n~0.base main_~root~0.base)) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (or (= 8 (select |#length| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0))) (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0))))), 7647559#true, 7647564#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 7647565#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7647566#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select |#valid| 0)) (= |main_#t~malloc11.offset| 0) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset |main_#t~malloc11.offset|) (= 8 (select |#length| |main_#t~malloc11.base|))), 7647567#(and (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7647560#false, 7647561#(= 0 (select |#valid| 0)), 7647562#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 7647563#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)))] [2018-04-12 22:03:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:02,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-04-12 22:03:02,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-04-12 22:03:02,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=1992, Unknown=0, NotChecked=0, Total=2256 [2018-04-12 22:03:02,288 INFO L87 Difference]: Start difference. First operand 39310 states and 51330 transitions. Second operand 48 states. [2018-04-12 22:03:04,055 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 123 DAG size of output 91 [2018-04-12 22:03:04,488 WARN L151 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 131 DAG size of output 111 [2018-04-12 22:03:04,764 WARN L151 SmtUtils]: Spent 220ms on a formula simplification. DAG size of input: 151 DAG size of output 116 [2018-04-12 22:03:04,992 WARN L151 SmtUtils]: Spent 169ms on a formula simplification. DAG size of input: 118 DAG size of output 84 [2018-04-12 22:03:05,497 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 116 DAG size of output 98 [2018-04-12 22:03:06,372 WARN L151 SmtUtils]: Spent 166ms on a formula simplification. DAG size of input: 149 DAG size of output 127 [2018-04-12 22:03:07,322 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 91 DAG size of output 61 [2018-04-12 22:03:07,928 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 110 DAG size of output 95 [2018-04-12 22:03:08,137 WARN L151 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 117 DAG size of output 101 [2018-04-12 22:03:08,377 WARN L151 SmtUtils]: Spent 184ms on a formula simplification. DAG size of input: 128 DAG size of output 112 [2018-04-12 22:03:08,570 WARN L151 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 121 DAG size of output 106 [2018-04-12 22:03:08,890 WARN L151 SmtUtils]: Spent 257ms on a formula simplification. DAG size of input: 133 DAG size of output 115 [2018-04-12 22:03:09,322 WARN L151 SmtUtils]: Spent 163ms on a formula simplification. DAG size of input: 124 DAG size of output 103 [2018-04-12 22:03:09,732 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 110 DAG size of output 108 [2018-04-12 22:03:09,990 WARN L151 SmtUtils]: Spent 194ms on a formula simplification. DAG size of input: 142 DAG size of output 115 [2018-04-12 22:03:10,401 WARN L151 SmtUtils]: Spent 341ms on a formula simplification. DAG size of input: 163 DAG size of output 129 [2018-04-12 22:03:10,991 WARN L151 SmtUtils]: Spent 356ms on a formula simplification. DAG size of input: 180 DAG size of output 139 [2018-04-12 22:03:11,295 WARN L151 SmtUtils]: Spent 162ms on a formula simplification. DAG size of input: 125 DAG size of output 97 [2018-04-12 22:03:11,485 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 119 DAG size of output 102 [2018-04-12 22:03:11,752 WARN L151 SmtUtils]: Spent 205ms on a formula simplification. DAG size of input: 158 DAG size of output 99 [2018-04-12 22:03:12,021 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 102 DAG size of output 91 [2018-04-12 22:03:12,184 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 125 DAG size of output 71 [2018-04-12 22:03:12,380 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 127 DAG size of output 113 [2018-04-12 22:03:12,551 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 112 DAG size of output 105 [2018-04-12 22:03:13,030 WARN L151 SmtUtils]: Spent 303ms on a formula simplification. DAG size of input: 191 DAG size of output 131 [2018-04-12 22:03:14,634 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 121 DAG size of output 102 [2018-04-12 22:03:15,894 WARN L151 SmtUtils]: Spent 186ms on a formula simplification. DAG size of input: 152 DAG size of output 95 [2018-04-12 22:03:16,819 WARN L151 SmtUtils]: Spent 242ms on a formula simplification. DAG size of input: 180 DAG size of output 120 [2018-04-12 22:03:17,045 WARN L151 SmtUtils]: Spent 164ms on a formula simplification. DAG size of input: 139 DAG size of output 118 [2018-04-12 22:03:17,260 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 147 DAG size of output 88 [2018-04-12 22:03:17,666 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 89 DAG size of output 74 [2018-04-12 22:03:18,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:03:18,675 INFO L93 Difference]: Finished difference Result 42168 states and 54766 transitions. [2018-04-12 22:03:18,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-04-12 22:03:18,675 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 111 [2018-04-12 22:03:18,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:03:18,703 INFO L225 Difference]: With dead ends: 42168 [2018-04-12 22:03:18,703 INFO L226 Difference]: Without dead ends: 42168 [2018-04-12 22:03:18,704 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9295 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=4308, Invalid=23748, Unknown=0, NotChecked=0, Total=28056 [2018-04-12 22:03:18,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42168 states. [2018-04-12 22:03:18,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42168 to 39322. [2018-04-12 22:03:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39322 states. [2018-04-12 22:03:19,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39322 states to 39322 states and 51345 transitions. [2018-04-12 22:03:19,014 INFO L78 Accepts]: Start accepts. Automaton has 39322 states and 51345 transitions. Word has length 111 [2018-04-12 22:03:19,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:03:19,014 INFO L459 AbstractCegarLoop]: Abstraction has 39322 states and 51345 transitions. [2018-04-12 22:03:19,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-04-12 22:03:19,014 INFO L276 IsEmpty]: Start isEmpty. Operand 39322 states and 51345 transitions. [2018-04-12 22:03:19,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-04-12 22:03:19,016 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:03:19,016 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:03:19,016 INFO L408 AbstractCegarLoop]: === Iteration 152 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:03:19,016 INFO L82 PathProgramCache]: Analyzing trace with hash 199708051, now seen corresponding path program 2 times [2018-04-12 22:03:19,016 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:03:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:03:19,039 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:03:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:22,149 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:03:22,149 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-04-12 22:03:22,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:03:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:22,150 INFO L182 omatonBuilderFactory]: Interpolants [7729381#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= |main_~#sentinel~0.base| main_~n~0.base))), 7729380#(or (and (= main_~n~0.offset 0) (or (and (or (not (= 0 main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (or (not (= 0 main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| 0)) (and (= main_~n~0.offset 0) (= 0 main_~n~0.base))), 7729383#(or (and (= 0 |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| 0) (or (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| |main_#t~mem20.base|))) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 7729382#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 7729377#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)) (not (= main_~n~0.base main_~succ~0.base))) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)))) (not (= main_~n~0.base main_~succ~0.base)))))), 7729376#(or (and (= 0 |main_#t~mem20.offset|) (or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))) (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))) (= |main_~#sentinel~0.offset| 0)) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 7729379#(or (and (= 0 main_~succ~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| 0)) (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base))), 7729378#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)) (not (= main_~n~0.base main_~succ~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)))) (not (= main_~n~0.base main_~succ~0.base))) (= |main_~#sentinel~0.base| main_~succ~0.base)))), 7729385#(or (and (= main_~n~0.offset 0) (= 0 main_~n~0.base)) (and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| 0))), 7729384#(or (and (= 0 main_~succ~0.offset) (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| 0)) (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base))), 7729387#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 7729386#(and (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7729365#(and (= (select |#valid| main_~n~0.base) 1) (or (and (or (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not (= main_~n~0.offset 0))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base main_~n~0.base))) (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= main_~root~0.offset 0)), 7729364#(and (or (and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not (= main_~n~0.offset 0))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base main_~n~0.base))) (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 7729367#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (not (= main_~root~0.base main_~n~0.base)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (and (= main_~root~0.base |main_#t~malloc17.base|) (= main_~root~0.offset |main_#t~malloc17.offset|) (= 0 |main_#t~malloc17.offset|)))), 7729366#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base))), 7729361#(and (not (= main_~n~0.base |main_#t~malloc11.base|)) (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (or (not (= main_~n~0.offset 0)) (and (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| |main_#t~malloc11.base|)))) (<= 0 main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (not (= main_~root~0.base main_~n~0.base)))) (= main_~root~0.offset 0)), 7729360#(and (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 7729363#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base main_~n~0.base)) (or (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not (= main_~n~0.offset 0))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= |main_#t~mem12.base| main_~root~0.base))) (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 7729362#(and (or (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not (= main_~n~0.offset 0))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base))) (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 7729373#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| 0) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (and (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))))), 7729372#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= main_~root~0.offset 0))), 7729375#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 7729374#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 7729369#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| main_~root~0.offset) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.offset| 0)) (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (<= 0 main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base))))), 7729368#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (<= 0 main_~n~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base main_~n~0.base)) (= main_~root~0.offset 0)))), 7729371#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) main_~root~0.offset)) (not (= main_~root~0.offset (+ |main_#t~mem19.offset| 4))) (= |main_#t~mem19.base| main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) main_~root~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= main_~root~0.offset 0))), 7729370#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) main_~root~0.offset)) (<= main_~root~0.offset 0)) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (<= 0 main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)))), 7729349#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 7729348#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 7729351#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#length| main_~root~0.base) 8) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 7729350#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 7729345#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem12.offset| 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 7729344#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7729347#(and (= 1 (select |#valid| |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (= (select |#length| main_~n~0.base) 8) (not (= main_~root~0.base |main_#t~mem13.base|)) (= main_~n~0.offset main_~root~0.offset) (not (= 0 (+ |main_#t~mem13.offset| 4))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem13.base|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0))), 7729346#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 7729357#(and (or (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#length| main_~root~0.base) 8)) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 7729356#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#length| main_~root~0.base) 8) (= 1 (select |#valid| main_~root~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0))) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 7729359#(or (and (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)) |main_#t~short4|), 7729358#(and (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= (select |#length| main_~root~0.base) 8) (or (< 0 main_~n~0.offset) (and (or (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)))) (<= 0 main_~n~0.offset)))) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base main_~n~0.base))))), 7729353#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~root~0.base) 8) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 7729352#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#length| main_~root~0.base) 8) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 7729355#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~root~0.base) 8) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 7729354#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= (select |#length| main_~root~0.base) 8) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not |main_#t~short4|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 7729341#(and (= (select |#length| main_~root~0.base) 8) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 7729340#(and (= (select |#length| main_~root~0.base) 8) (= main_~root~0.offset 0)), 7729343#(and (= 0 |main_#t~malloc11.offset|) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select |#length| main_~n~0.base) 8) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 7729342#(and (= main_~root~0.base main_~n~0.base) (= (select |#length| main_~n~0.base) 8) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7729337#true, 7729339#(and (= (select |#length| |main_#t~malloc0.base|) 8) (= |main_#t~malloc0.offset| 0)), 7729338#false] [2018-04-12 22:03:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:22,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-12 22:03:22,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-12 22:03:22,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=2352, Unknown=0, NotChecked=0, Total=2550 [2018-04-12 22:03:22,150 INFO L87 Difference]: Start difference. First operand 39322 states and 51345 transitions. Second operand 51 states. [2018-04-12 22:03:23,659 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 144 DAG size of output 80 [2018-04-12 22:03:23,885 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 120 DAG size of output 74 [2018-04-12 22:03:24,487 WARN L151 SmtUtils]: Spent 182ms on a formula simplification. DAG size of input: 174 DAG size of output 107 [2018-04-12 22:03:24,697 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 144 DAG size of output 96 [2018-04-12 22:03:25,579 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 160 DAG size of output 96 [2018-04-12 22:03:26,649 WARN L151 SmtUtils]: Spent 239ms on a formula simplification. DAG size of input: 190 DAG size of output 123 [2018-04-12 22:03:26,817 WARN L151 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 81 DAG size of output 66 [2018-04-12 22:03:27,122 WARN L151 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 92 DAG size of output 77 [2018-04-12 22:03:28,052 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 145 DAG size of output 80 [2018-04-12 22:03:28,946 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 175 DAG size of output 107 [2018-04-12 22:03:29,392 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 163 DAG size of output 96 [2018-04-12 22:03:29,785 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 110 DAG size of output 101 [2018-04-12 22:03:30,004 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 117 DAG size of output 108 [2018-04-12 22:03:30,298 WARN L151 SmtUtils]: Spent 216ms on a formula simplification. DAG size of input: 193 DAG size of output 123 [2018-04-12 22:03:30,659 WARN L151 SmtUtils]: Spent 251ms on a formula simplification. DAG size of input: 122 DAG size of output 115 [2018-04-12 22:03:31,178 WARN L151 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 106 DAG size of output 98 [2018-04-12 22:03:31,341 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 135 DAG size of output 72 [2018-04-12 22:03:31,743 WARN L151 SmtUtils]: Spent 174ms on a formula simplification. DAG size of input: 165 DAG size of output 98 [2018-04-12 22:03:32,048 WARN L151 SmtUtils]: Spent 241ms on a formula simplification. DAG size of input: 123 DAG size of output 110 [2018-04-12 22:03:32,415 WARN L151 SmtUtils]: Spent 298ms on a formula simplification. DAG size of input: 140 DAG size of output 124 [2018-04-12 22:03:32,876 WARN L151 SmtUtils]: Spent 316ms on a formula simplification. DAG size of input: 157 DAG size of output 135 [2018-04-12 22:03:33,173 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 124 DAG size of output 102 [2018-04-12 22:03:33,476 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 115 DAG size of output 80 [2018-04-12 22:03:33,740 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 100 DAG size of output 90 [2018-04-12 22:03:34,106 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 139 DAG size of output 102 [2018-04-12 22:03:35,240 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 95 DAG size of output 82 [2018-04-12 22:03:35,510 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 84 DAG size of output 71 [2018-04-12 22:03:36,276 WARN L151 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 154 DAG size of output 87 [2018-04-12 22:03:37,047 WARN L151 SmtUtils]: Spent 190ms on a formula simplification. DAG size of input: 184 DAG size of output 114 [2018-04-12 22:03:38,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:03:38,588 INFO L93 Difference]: Finished difference Result 41319 states and 53761 transitions. [2018-04-12 22:03:38,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-04-12 22:03:38,588 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 111 [2018-04-12 22:03:38,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:03:38,615 INFO L225 Difference]: With dead ends: 41319 [2018-04-12 22:03:38,615 INFO L226 Difference]: Without dead ends: 41319 [2018-04-12 22:03:38,616 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9003 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=3570, Invalid=25160, Unknown=0, NotChecked=0, Total=28730 [2018-04-12 22:03:38,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41319 states. [2018-04-12 22:03:38,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41319 to 39322. [2018-04-12 22:03:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39322 states. [2018-04-12 22:03:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39322 states to 39322 states and 51345 transitions. [2018-04-12 22:03:38,905 INFO L78 Accepts]: Start accepts. Automaton has 39322 states and 51345 transitions. Word has length 111 [2018-04-12 22:03:38,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:03:38,905 INFO L459 AbstractCegarLoop]: Abstraction has 39322 states and 51345 transitions. [2018-04-12 22:03:38,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-12 22:03:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 39322 states and 51345 transitions. [2018-04-12 22:03:38,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-04-12 22:03:38,907 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:03:38,907 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:03:38,907 INFO L408 AbstractCegarLoop]: === Iteration 153 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:03:38,907 INFO L82 PathProgramCache]: Analyzing trace with hash -493948399, now seen corresponding path program 7 times [2018-04-12 22:03:38,908 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:03:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:03:38,916 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:03:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 27 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:40,043 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:03:40,043 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-12 22:03:40,043 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:03:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:40,043 INFO L182 omatonBuilderFactory]: Interpolants [7810295#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7810294#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (+ 0 4)))), 7810293#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7810292#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| 0) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7810291#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)))), 7810290#(and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) main_~pred~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|)), 7810289#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|)), 7810288#(and (= 0 main_~pred~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (not (= main_~n~0.base main_~pred~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 7810303#(and (= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 7810302#(and (= 0 main_~n~0.offset) (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 7810301#(and (= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 7810300#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 7810299#(and (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4)))), 7810298#(and (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base))), 7810297#(and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4)))), 7810296#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7810279#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_~#sentinel~0.offset|)), 7810278#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= 0 |main_~#sentinel~0.offset|)), 7810277#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 7810276#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 7810275#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 7810274#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 7810273#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= |main_#t~malloc17.offset| 0)), 7810272#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 7810287#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 main_~pred~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (not (= main_~n~0.base main_~pred~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|))), 7810286#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7810285#(and (= 0 main_~pred~0.offset) (= 0 main_~pred~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 7810284#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 main_~pred~0.offset) (= 0 main_~pred~0.base) (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 7810283#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 main_~pred~0.offset) (= 0 main_~pred~0.base) (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7810282#(and (= 0 main_~pred~0.offset) (not (= main_~pred~0.base (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 7810281#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7810280#(and (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 7810271#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 7810270#(= main_~root~0.offset 0), 7810269#(= 0 |main_#t~malloc0.offset|), 7810268#false, 7810267#true, 7810307#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base)), 7810306#(and (= main_~n~0.offset 0) (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 7810305#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|) (= main_~n~0.offset 0)), 7810304#(and (= 0 main_~pred~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)))] [2018-04-12 22:03:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 27 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:40,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 22:03:40,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 22:03:40,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1534, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 22:03:40,044 INFO L87 Difference]: Start difference. First operand 39322 states and 51345 transitions. Second operand 41 states. [2018-04-12 22:03:46,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:03:46,061 INFO L93 Difference]: Finished difference Result 44089 states and 57042 transitions. [2018-04-12 22:03:46,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-04-12 22:03:46,061 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 111 [2018-04-12 22:03:46,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:03:46,090 INFO L225 Difference]: With dead ends: 44089 [2018-04-12 22:03:46,090 INFO L226 Difference]: Without dead ends: 44061 [2018-04-12 22:03:46,091 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 6 SyntacticMatches, 8 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4154 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1721, Invalid=14281, Unknown=0, NotChecked=0, Total=16002 [2018-04-12 22:03:46,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44061 states. [2018-04-12 22:03:46,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44061 to 39364. [2018-04-12 22:03:46,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39364 states. [2018-04-12 22:03:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39364 states to 39364 states and 51392 transitions. [2018-04-12 22:03:46,394 INFO L78 Accepts]: Start accepts. Automaton has 39364 states and 51392 transitions. Word has length 111 [2018-04-12 22:03:46,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:03:46,394 INFO L459 AbstractCegarLoop]: Abstraction has 39364 states and 51392 transitions. [2018-04-12 22:03:46,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 22:03:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 39364 states and 51392 transitions. [2018-04-12 22:03:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-04-12 22:03:46,396 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:03:46,396 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:03:46,396 INFO L408 AbstractCegarLoop]: === Iteration 154 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:03:46,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1895981280, now seen corresponding path program 1 times [2018-04-12 22:03:46,397 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:03:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:03:46,421 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:03:47,595 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 71 DAG size of output 61 [2018-04-12 22:03:47,753 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 83 DAG size of output 69 [2018-04-12 22:03:47,891 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 71 DAG size of output 61 [2018-04-12 22:03:48,027 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 72 DAG size of output 62 [2018-04-12 22:03:48,395 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 75 DAG size of output 49 [2018-04-12 22:03:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:49,415 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:03:49,415 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-04-12 22:03:49,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:03:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:49,416 INFO L182 omatonBuilderFactory]: Interpolants [7893944#(or (= 1 (select |#valid| 0)) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem13.base|) (= 8 (select |#length| |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 7893945#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 7893946#(or (and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 7893947#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| 0))), 7893948#(or (and (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 7893949#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select |#valid| 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 7893950#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 main_~root~0.offset) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= 8 (select |#length| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 7893951#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (= 1 (select |#valid| 0)) (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))) (= main_~root~0.offset 0))), 7893936#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 7893937#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 7893938#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 7893939#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7893940#(or (and (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 7893941#(or (= 1 (select |#valid| 0)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 7893942#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem12.offset| 0) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| 0))), 7893943#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 7893933#true, 7893934#false, 7893935#(= 0 (select |#valid| 0)), 7893976#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (not (= |main_~#sentinel~0.base| main_~succ~0.base)) (= 1 (select |#valid| 0))), 7893977#(or (not (= |main_~#sentinel~0.base| main_~succ~0.base)) (= 1 (select |#valid| 0))), 7893978#(or (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| main_~n~0.base))), 7893979#(= 1 (select |#valid| 0)), 7893968#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0) |main_~#sentinel~0.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 7893969#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0) |main_~#sentinel~0.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))))), 7893970#(or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0) |main_~#sentinel~0.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))))), 7893971#(or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base |main_#t~mem20.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) |main_~#sentinel~0.base|)) (= 8 (select |#length| |main_#t~mem20.base|)))), 7893972#(or (= 1 (select |#valid| 0)) (and (= 8 (select |#length| main_~succ~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0) |main_~#sentinel~0.base|)) (not (= main_~n~0.base main_~succ~0.base))) (and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (not (= main_~n~0.base main_~succ~0.base)))), 7893973#(or (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (and (= 8 (select |#length| main_~succ~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0) |main_~#sentinel~0.base|))) (= 1 (select |#valid| 0))), 7893974#(or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0))) (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 7893975#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (= 1 (select |#valid| 0)) (not (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 7893960#(or (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base main_~root~0.base)) (or (and (or (and (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)))), 7893961#(or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (= 1 (select |#valid| 0))), 7893962#(or (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base main_~root~0.base)) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= |main_#t~malloc17.base| main_~n~0.base)) (not (= main_~root~0.base |main_#t~malloc17.base|)))), 7893963#(or (= 1 (select |#valid| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (not (= main_~root~0.base main_~n~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)))), 7893964#(and (or (= 1 (select |#valid| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= |main_#t~mem18.base| main_~root~0.base)))) (or (not (= main_~n~0.base |main_#t~mem18.base|)) (= 1 (select |#valid| 0)))), 7893965#(or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (= 1 (select |#valid| 0))), 7893966#(or (= 1 (select |#valid| 0)) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= |main_#t~mem19.base| main_~root~0.base)))), 7893967#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 7893952#(or (= 1 (select |#valid| 0)) (and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (and (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~n~0.base)))), 7893953#(or (= 1 (select |#valid| 0)) (and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (or (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset)) |main_#t~short4|))))), 7893954#(or (and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (<= 0 main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base))) (= 1 (select |#valid| 0))), 7893955#(or (= 1 (select |#valid| 0)) (and (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (= main_~n~0.offset 0) (= 1 (select |#valid| |main_#t~malloc11.base|)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base))) (and (= (select |#length| main_~root~0.base) (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.offset 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc11.base|)))), 7893956#(or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (or (and (or (and (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base))) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base))) (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (= 1 (select |#valid| 0))), 7893957#(or (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (not (= |main_#t~mem12.base| main_~root~0.base)) (or (and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base))) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (= 1 (select |#valid| 0))), 7893958#(or (and (not (= main_~n~0.base main_~root~0.base)) (or (and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base))) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base))) (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (= 1 (select |#valid| 0))), 7893959#(or (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)) (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~mem13.base| main_~root~0.base)) (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base))))] [2018-04-12 22:03:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:03:49,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 22:03:49,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 22:03:49,416 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1963, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 22:03:49,416 INFO L87 Difference]: Start difference. First operand 39364 states and 51392 transitions. Second operand 47 states. [2018-04-12 22:03:52,425 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 142 DAG size of output 90 [2018-04-12 22:03:52,597 WARN L151 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 135 DAG size of output 87 [2018-04-12 22:03:53,738 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 94 DAG size of output 86 [2018-04-12 22:03:53,991 WARN L151 SmtUtils]: Spent 205ms on a formula simplification. DAG size of input: 108 DAG size of output 95 [2018-04-12 22:03:54,304 WARN L151 SmtUtils]: Spent 226ms on a formula simplification. DAG size of input: 108 DAG size of output 96 [2018-04-12 22:03:54,825 WARN L151 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 92 DAG size of output 83 [2018-04-12 22:03:55,394 WARN L151 SmtUtils]: Spent 171ms on a formula simplification. DAG size of input: 103 DAG size of output 92 [2018-04-12 22:03:55,769 WARN L151 SmtUtils]: Spent 214ms on a formula simplification. DAG size of input: 119 DAG size of output 104 [2018-04-12 22:03:56,122 WARN L151 SmtUtils]: Spent 226ms on a formula simplification. DAG size of input: 134 DAG size of output 109 [2018-04-12 22:03:56,366 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 110 DAG size of output 95 [2018-04-12 22:03:56,973 WARN L151 SmtUtils]: Spent 229ms on a formula simplification. DAG size of input: 134 DAG size of output 111 [2018-04-12 22:03:57,833 WARN L151 SmtUtils]: Spent 245ms on a formula simplification. DAG size of input: 137 DAG size of output 113 [2018-04-12 22:04:00,771 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 90 DAG size of output 76 [2018-04-12 22:04:00,942 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 90 DAG size of output 76 [2018-04-12 22:04:01,631 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 93 DAG size of output 77 [2018-04-12 22:04:01,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:04:01,987 INFO L93 Difference]: Finished difference Result 42058 states and 54641 transitions. [2018-04-12 22:04:01,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-04-12 22:04:01,988 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 112 [2018-04-12 22:04:01,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:04:02,019 INFO L225 Difference]: With dead ends: 42058 [2018-04-12 22:04:02,019 INFO L226 Difference]: Without dead ends: 42058 [2018-04-12 22:04:02,020 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6557 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=2916, Invalid=19434, Unknown=0, NotChecked=0, Total=22350 [2018-04-12 22:04:02,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42058 states. [2018-04-12 22:04:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42058 to 39400. [2018-04-12 22:04:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39400 states. [2018-04-12 22:04:02,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39400 states to 39400 states and 51434 transitions. [2018-04-12 22:04:02,322 INFO L78 Accepts]: Start accepts. Automaton has 39400 states and 51434 transitions. Word has length 112 [2018-04-12 22:04:02,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:04:02,322 INFO L459 AbstractCegarLoop]: Abstraction has 39400 states and 51434 transitions. [2018-04-12 22:04:02,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 22:04:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 39400 states and 51434 transitions. [2018-04-12 22:04:02,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-04-12 22:04:02,324 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:04:02,324 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:04:02,324 INFO L408 AbstractCegarLoop]: === Iteration 155 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:04:02,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1875769550, now seen corresponding path program 2 times [2018-04-12 22:04:02,325 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:04:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:04:02,343 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:04:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 17 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:04,420 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:04:04,420 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-04-12 22:04:04,420 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:04:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:04,421 INFO L182 omatonBuilderFactory]: Interpolants [7975673#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0) 0))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 7975672#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0) 0))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 7975675#(and (= 0 main_~succ~0.offset) (or (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0) 0)) (not (= main_~n~0.base main_~succ~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base)))) (= |main_~#sentinel~0.offset| 0)), 7975674#(and (= 0 |main_#t~mem20.offset|) (or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4)))) (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base |main_#t~mem20.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) 0)))) (= |main_~#sentinel~0.offset| 0)), 7975677#(and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0) 0)) (= |main_~#sentinel~0.base| main_~succ~0.base))), 7975676#(and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| 0) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0) 0)) (not (= main_~n~0.base main_~succ~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base))) (= |main_~#sentinel~0.base| main_~succ~0.base))), 7975679#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 7975678#(and (= main_~n~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| 0)), 7975665#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (not (= main_~root~0.base main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))))))), 7975664#(and (or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base))))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 7975667#(or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (not (= main_~root~0.base main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))))) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8))), 7975666#(and (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (not (= main_~root~0.base main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem12.base| main_~root~0.base)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not (= main_~n~0.base |main_#t~mem12.base|))), 7975669#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (not (= main_~root~0.base main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))))), 7975668#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (not (= main_~root~0.base main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))), 7975671#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| 0) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))))), 7975670#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))), 7975657#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)))), 7975656#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)))), 7975659#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 7975658#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 7975661#(and (or (and (or (<= 1 main_~n~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 7975660#(or (<= (+ main_~n~0.offset 1) 0) (and (or (<= 1 main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base))) (= (select |#valid| main_~root~0.base) 1))), 7975663#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base))) (= (select |#valid| main_~root~0.base) 1)))), 7975662#(and (or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) |main_#t~short4| (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base))), 7975649#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7975648#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 7975651#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7975650#(and (not (= |main_#t~malloc11.base| 0)) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 7975653#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= |main_#t~mem13.offset| 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= (select |#valid| |main_#t~mem13.base|) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 7975652#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 7975655#(and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)))), 7975654#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset)), 7975645#false, 7975644#true, 7975647#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 7975646#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 7975689#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base)), 7975688#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 7975681#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)))), 7975680#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))), 7975683#(or (and (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)))), 7975682#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)))), 7975685#(or (not (= main_~n~0.base 0)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)))), 7975684#(or (not (= main_~succ~0.base 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 7975687#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 7975686#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))] [2018-04-12 22:04:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 17 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:04,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-12 22:04:04,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-12 22:04:04,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1896, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 22:04:04,422 INFO L87 Difference]: Start difference. First operand 39400 states and 51434 transitions. Second operand 46 states. [2018-04-12 22:04:06,399 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 138 DAG size of output 91 [2018-04-12 22:04:07,086 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 105 DAG size of output 70 [2018-04-12 22:04:07,299 WARN L151 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 145 DAG size of output 97 [2018-04-12 22:04:07,545 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 141 DAG size of output 93 [2018-04-12 22:04:07,798 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 147 DAG size of output 100 [2018-04-12 22:04:09,240 WARN L151 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 102 DAG size of output 93 [2018-04-12 22:04:09,549 WARN L151 SmtUtils]: Spent 228ms on a formula simplification. DAG size of input: 101 DAG size of output 97 [2018-04-12 22:04:09,885 WARN L151 SmtUtils]: Spent 214ms on a formula simplification. DAG size of input: 101 DAG size of output 97 [2018-04-12 22:04:10,335 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 96 DAG size of output 88 [2018-04-12 22:04:11,371 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 106 DAG size of output 90 [2018-04-12 22:04:13,722 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 136 DAG size of output 89 [2018-04-12 22:04:14,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:04:14,330 INFO L93 Difference]: Finished difference Result 41041 states and 53469 transitions. [2018-04-12 22:04:14,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-04-12 22:04:14,330 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 113 [2018-04-12 22:04:14,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:04:14,358 INFO L225 Difference]: With dead ends: 41041 [2018-04-12 22:04:14,358 INFO L226 Difference]: Without dead ends: 41031 [2018-04-12 22:04:14,359 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5731 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=2401, Invalid=17621, Unknown=0, NotChecked=0, Total=20022 [2018-04-12 22:04:14,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41031 states. [2018-04-12 22:04:14,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41031 to 39279. [2018-04-12 22:04:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39279 states. [2018-04-12 22:04:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39279 states to 39279 states and 51291 transitions. [2018-04-12 22:04:14,648 INFO L78 Accepts]: Start accepts. Automaton has 39279 states and 51291 transitions. Word has length 113 [2018-04-12 22:04:14,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:04:14,648 INFO L459 AbstractCegarLoop]: Abstraction has 39279 states and 51291 transitions. [2018-04-12 22:04:14,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-12 22:04:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 39279 states and 51291 transitions. [2018-04-12 22:04:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-04-12 22:04:14,650 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:04:14,650 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:04:14,650 INFO L408 AbstractCegarLoop]: === Iteration 156 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:04:14,650 INFO L82 PathProgramCache]: Analyzing trace with hash 864652300, now seen corresponding path program 3 times [2018-04-12 22:04:14,650 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:04:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:04:14,669 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:04:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:16,755 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:04:16,755 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-04-12 22:04:16,755 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:04:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:16,756 INFO L182 omatonBuilderFactory]: Interpolants [8056248#(and (= main_~n~0.offset 0) (= 0 main_~n~0.base)), 8056242#(and (not (= 1 (select |#valid| 0))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0)) (not (= main_~n~0.base main_~succ~0.base))) (= 0 main_~succ~0.base))), 8056243#(and (not (= 1 (select |#valid| 0))) (or (= 0 main_~succ~0.base) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) 0)) (= 0 main_~succ~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) 0))))), 8056240#(and (not (= 1 (select |#valid| 0))) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 8056241#(and (not (= 1 (select |#valid| 0))) (or (= 0 |main_#t~mem20.base|) (and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))))), 8056246#(and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|)), 8056247#(and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)), 8056244#(and (not (= 1 (select |#valid| 0))) (or (= 0 main_~n~0.base) (and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 8056245#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= 1 (select |#valid| 0))) (= main_~n~0.base 0))), 8056234#(or (and (not (= 1 (select |#valid| 0))) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) 0))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base))), 8056235#(and (not (= 1 (select |#valid| 0))) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) 0))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8056232#(and (not (= 1 (select |#valid| 0))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0)), 8056233#(or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (not (= 1 (select |#valid| 0))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))))), 8056238#(and (not (= 1 (select |#valid| 0))) (or (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) 0)) (not (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) 0))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8056239#(and (not (= 1 (select |#valid| 0))) (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 8056236#(and (not (= 1 (select |#valid| 0))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= |main_~#sentinel~0.base| |main_#t~mem20.base|) (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))))), 8056237#(and (not (= 1 (select |#valid| 0))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) main_~succ~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) 0)) (not (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) 0)) (not (= main_~n~0.base main_~succ~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) main_~succ~0.offset)) (not (= main_~n~0.base main_~succ~0.base))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8056226#(and (or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) (and (not (= 1 (select |#valid| 0))) (not (= main_~root~0.base |main_#t~malloc11.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc11.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 |main_#t~malloc11.offset|) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= main_~root~0.base main_~n~0.base)))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 8056227#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= 1 (select |#valid| 0))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= main_~root~0.base main_~n~0.base))))), 8056224#(and (or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) |main_#t~short4| (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 8056225#(and (or (and (<= 1 main_~n~0.offset) (= 8 (select |#length| main_~n~0.base))) (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~n~0.base))), 8056230#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= 1 (select |#valid| 0))) (not (= main_~n~0.base |main_#t~mem13.base|)) (or (and (not (= 0 (+ |main_#t~mem13.offset| 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem13.base|)) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~root~0.base |main_#t~mem13.base|)))), 8056231#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= 1 (select |#valid| 0))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= main_~root~0.base main_~n~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))))), 8056228#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (not (= 1 (select |#valid| 0))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= |main_#t~mem12.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= main_~root~0.base main_~n~0.base)) (not (= |main_#t~mem12.base| main_~root~0.base))) (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)))), 8056229#(or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (not (= 1 (select |#valid| 0))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= main_~root~0.base main_~n~0.base)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)))))), 8056218#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 8056219#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 8056216#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8056217#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 8 (select |#length| main_~root~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 8056222#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base main_~n~0.base)) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base)))) (and (or (<= 1 main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= 8 (select |#length| main_~n~0.base)))), 8056223#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= 8 (select |#length| main_~n~0.base)) (or (<= 1 main_~n~0.offset) (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))))) (and (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (<= 0 main_~n~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= main_~root~0.base main_~n~0.base))))), 8056220#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~n~0.base) 1) (or (= 8 (select |#length| main_~n~0.base)) (not |main_#t~short4|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)))), 8056221#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (= 0 (select |#valid| 0)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 8 (select |#length| main_~root~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8056210#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8056211#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= |main_#t~mem12.offset| 0) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8056208#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8056209#(and (= (select |#valid| |main_#t~malloc11.base|) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select |#valid| 0)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 8056214#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 8056215#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 8056212#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 8056213#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (not (= (+ |main_#t~mem13.offset| 4) 0)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (= main_~n~0.offset main_~root~0.offset)), 8056202#true, 8056203#false, 8056206#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8056207#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8056204#(= 0 (select |#valid| 0)), 8056205#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0))] [2018-04-12 22:04:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:16,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 22:04:16,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 22:04:16,756 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1964, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 22:04:16,756 INFO L87 Difference]: Start difference. First operand 39279 states and 51291 transitions. Second operand 47 states. [2018-04-12 22:04:18,480 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 160 DAG size of output 83 [2018-04-12 22:04:19,600 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 172 DAG size of output 95 [2018-04-12 22:04:19,867 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 158 DAG size of output 91 [2018-04-12 22:04:20,961 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 89 DAG size of output 85 [2018-04-12 22:04:21,154 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 104 DAG size of output 94 [2018-04-12 22:04:21,394 WARN L151 SmtUtils]: Spent 192ms on a formula simplification. DAG size of input: 114 DAG size of output 103 [2018-04-12 22:04:21,581 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 99 DAG size of output 91 [2018-04-12 22:04:21,838 WARN L151 SmtUtils]: Spent 197ms on a formula simplification. DAG size of input: 125 DAG size of output 108 [2018-04-12 22:04:22,283 WARN L151 SmtUtils]: Spent 174ms on a formula simplification. DAG size of input: 113 DAG size of output 94 [2018-04-12 22:04:23,123 WARN L151 SmtUtils]: Spent 204ms on a formula simplification. DAG size of input: 126 DAG size of output 96 [2018-04-12 22:04:23,635 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 131 DAG size of output 79 [2018-04-12 22:04:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:04:26,712 INFO L93 Difference]: Finished difference Result 40928 states and 53336 transitions. [2018-04-12 22:04:26,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-04-12 22:04:26,713 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 113 [2018-04-12 22:04:26,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:04:26,740 INFO L225 Difference]: With dead ends: 40928 [2018-04-12 22:04:26,740 INFO L226 Difference]: Without dead ends: 40928 [2018-04-12 22:04:26,740 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4921 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=2335, Invalid=15755, Unknown=0, NotChecked=0, Total=18090 [2018-04-12 22:04:26,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40928 states. [2018-04-12 22:04:26,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40928 to 39279. [2018-04-12 22:04:26,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39279 states. [2018-04-12 22:04:27,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39279 states to 39279 states and 51291 transitions. [2018-04-12 22:04:27,028 INFO L78 Accepts]: Start accepts. Automaton has 39279 states and 51291 transitions. Word has length 113 [2018-04-12 22:04:27,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:04:27,028 INFO L459 AbstractCegarLoop]: Abstraction has 39279 states and 51291 transitions. [2018-04-12 22:04:27,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 22:04:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 39279 states and 51291 transitions. [2018-04-12 22:04:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-04-12 22:04:27,030 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:04:27,030 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:04:27,030 INFO L408 AbstractCegarLoop]: === Iteration 157 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:04:27,030 INFO L82 PathProgramCache]: Analyzing trace with hash 198317774, now seen corresponding path program 2 times [2018-04-12 22:04:27,030 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:04:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:04:27,052 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:04:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:28,968 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:04:28,968 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-04-12 22:04:28,968 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:04:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:28,969 INFO L182 omatonBuilderFactory]: Interpolants [8136636#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8136637#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8136638#(and (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 8136639#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 8136632#true, 8136633#false, 8136634#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 8136635#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8136676#(or (and (= main_~n~0.offset 0) (= 0 main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base))), 8136677#(= 1 (select |#valid| main_~n~0.base)), 8136672#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 8136673#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)))), 8136674#(or (= 1 (select |#valid| |main_#t~mem20.base|)) (and (= 0 |main_#t~mem20.offset|) (= 0 |main_#t~mem20.base|))), 8136675#(or (and (= 0 main_~succ~0.offset) (= 0 main_~succ~0.base)) (= 1 (select |#valid| main_~succ~0.base))), 8136668#(or (<= (+ main_~n~0.offset 1) 0) (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset))), 8136669#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= (+ main_~n~0.offset 1) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8136670#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8136671#(or (and (= 0 |main_#t~mem21.offset|) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| |main_#t~mem21.base|))), 8136664#(and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| 0) (or (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (not (= main_~n~0.base main_~succ~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base))))), 8136665#(and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (not (= main_~n~0.base main_~succ~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base))) (= |main_~#sentinel~0.base| main_~succ~0.base))), 8136666#(and (= 0 main_~succ~0.offset) (= |main_~#sentinel~0.offset| 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (= |main_~#sentinel~0.base| main_~succ~0.base))), 8136667#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.base| main_~n~0.base))), 8136660#(and (= main_~root~0.offset 0) (or (and (= |main_~#sentinel~0.base| main_~root~0.base) (= |main_~#sentinel~0.offset| main_~root~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| 0) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))))), 8136661#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 8136662#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8136663#(and (= 0 |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| 0) (or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4)))) (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4))))))), 8136656#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 8136657#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 8136658#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= main_~root~0.offset 0)), 8136659#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0)), 8136652#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (or (and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (not |main_#t~short16|)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 8136653#(and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (or (and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 8136654#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (or (= 1 (select |#valid| |main_#t~malloc17.base|)) (not (= main_~root~0.offset main_~n~0.offset)))))), 8136655#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (not (= main_~root~0.base main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8136648#(and (= main_~n~0.base main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 8136649#(and (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (or (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= main_~root~0.offset main_~n~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.offset main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base))) (< main_~n~0.offset main_~root~0.offset)) (= main_~root~0.offset 0)), 8136650#(and (= main_~root~0.offset 0) (or (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.offset main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8)) (and (not (= main_~n~0.base main_~root~0.base)) (or (and (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base) (= main_~root~0.offset main_~n~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1))) (<= 0 main_~n~0.offset)), 8136651#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (or (and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))))) (and (not (= 0 |main_#t~mem14.base|)) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8))) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 8136644#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)))), 8136645#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)))), 8136646#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8136647#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8136640#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 8136641#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= |main_#t~mem13.offset| 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= (select |#valid| |main_#t~mem13.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8136642#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~n~0.offset main_~root~0.offset)), 8136643#(and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= 0 |main_#t~malloc17.base|)))] [2018-04-12 22:04:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:28,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-12 22:04:28,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-12 22:04:28,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1870, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 22:04:28,969 INFO L87 Difference]: Start difference. First operand 39279 states and 51291 transitions. Second operand 46 states. [2018-04-12 22:04:31,418 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 139 DAG size of output 96 [2018-04-12 22:04:32,964 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 82 DAG size of output 64 [2018-04-12 22:04:33,433 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 84 DAG size of output 79 [2018-04-12 22:04:33,653 WARN L151 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 94 DAG size of output 86 [2018-04-12 22:04:34,161 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 94 DAG size of output 84 [2018-04-12 22:04:34,317 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 78 DAG size of output 75 [2018-04-12 22:04:34,969 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 83 DAG size of output 71 [2018-04-12 22:04:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:04:38,063 INFO L93 Difference]: Finished difference Result 32046 states and 41508 transitions. [2018-04-12 22:04:38,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-04-12 22:04:38,063 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 113 [2018-04-12 22:04:38,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:04:38,083 INFO L225 Difference]: With dead ends: 32046 [2018-04-12 22:04:38,083 INFO L226 Difference]: Without dead ends: 32046 [2018-04-12 22:04:38,084 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 5 SyntacticMatches, 5 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6613 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=2887, Invalid=18575, Unknown=0, NotChecked=0, Total=21462 [2018-04-12 22:04:38,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32046 states. [2018-04-12 22:04:38,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32046 to 28658. [2018-04-12 22:04:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28658 states. [2018-04-12 22:04:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28658 states to 28658 states and 37188 transitions. [2018-04-12 22:04:38,288 INFO L78 Accepts]: Start accepts. Automaton has 28658 states and 37188 transitions. Word has length 113 [2018-04-12 22:04:38,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:04:38,288 INFO L459 AbstractCegarLoop]: Abstraction has 28658 states and 37188 transitions. [2018-04-12 22:04:38,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-12 22:04:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 28658 states and 37188 transitions. [2018-04-12 22:04:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-04-12 22:04:38,290 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:04:38,290 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:04:38,290 INFO L408 AbstractCegarLoop]: === Iteration 158 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:04:38,290 INFO L82 PathProgramCache]: Analyzing trace with hash 198317775, now seen corresponding path program 1 times [2018-04-12 22:04:38,290 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:04:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:04:38,307 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:04:39,051 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 103 DAG size of output 45 [2018-04-12 22:04:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 17 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:40,082 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:04:40,083 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-12 22:04:40,083 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:04:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:40,083 INFO L182 omatonBuilderFactory]: Interpolants [8197624#(and (= 0 main_~n~0.base) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 8197621#(or (and (<= main_~n~0.offset 0) (not (= main_~n~0.offset 0))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 8197620#(or (and (not (= 0 main_~pred~0.offset)) (<= main_~pred~0.offset 0)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset)))), 8197623#(and (= 0 main_~succ~0.base) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8197622#(and (= 0 |main_#t~mem20.base|) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 |main_~#sentinel~0.offset|)), 8197617#(and (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|))) (= 8 (select |#length| main_~n~0.base))), 8197616#(and (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.offset| 0) (or (<= (+ main_~n~0.offset 1) 0) (<= 1 main_~n~0.offset) (and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.base| main_~n~0.base))), 8197619#(and (= (select |#length| main_~n~0.base) 8) (or (and (not (= 0 main_~n~0.offset)) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))))), 8197618#(and (or (and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)) (and (not (= 0 main_~n~0.offset)) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)))) (= (select |#length| main_~n~0.base) 8)), 8197613#(and (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| 0) (or (and (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4)))) (= |main_~#sentinel~0.base| |main_#t~mem20.base|))), 8197612#(and (or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| 0)), 8197615#(and (= 8 (select |#length| main_~succ~0.base)) (or (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| 0)), 8197614#(and (= 8 (select |#length| main_~succ~0.base)) (or (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base))) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= |main_~#sentinel~0.offset| 0)), 8197609#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197608#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197611#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= |main_~#sentinel~0.offset| 0) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= main_~root~0.offset 0)), 8197610#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197605#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (not (= main_~root~0.base |main_#t~malloc17.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197604#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197607#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197606#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197601#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem7.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197600#(and (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4))))), 8197603#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (or (and (<= 1 main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 8197602#(and (or (and (or (and (not (= main_~root~0.offset main_~n~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~n~0.base)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1)) (< main_~n~0.offset main_~root~0.offset)) (= main_~root~0.offset 0)), 8197597#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 8197596#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8197599#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197598#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8197593#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8197592#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8197595#(and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8197594#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)) 0) (= main_~n~0.offset main_~root~0.offset)), 8197589#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8197588#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8197591#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8197590#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 8197585#false, 8197584#true, 8197587#(= main_~root~0.offset 0), 8197586#(= 0 |main_#t~malloc0.offset|)] [2018-04-12 22:04:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 17 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:40,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 22:04:40,083 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 22:04:40,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1466, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 22:04:40,084 INFO L87 Difference]: Start difference. First operand 28658 states and 37188 transitions. Second operand 41 states. [2018-04-12 22:04:45,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:04:45,451 INFO L93 Difference]: Finished difference Result 30020 states and 38860 transitions. [2018-04-12 22:04:45,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-04-12 22:04:45,452 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 113 [2018-04-12 22:04:45,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:04:45,471 INFO L225 Difference]: With dead ends: 30020 [2018-04-12 22:04:45,471 INFO L226 Difference]: Without dead ends: 30020 [2018-04-12 22:04:45,472 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 5 SyntacticMatches, 8 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3979 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=2053, Invalid=12227, Unknown=0, NotChecked=0, Total=14280 [2018-04-12 22:04:45,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30020 states. [2018-04-12 22:04:45,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30020 to 28676. [2018-04-12 22:04:45,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28676 states. [2018-04-12 22:04:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28676 states to 28676 states and 37206 transitions. [2018-04-12 22:04:45,668 INFO L78 Accepts]: Start accepts. Automaton has 28676 states and 37206 transitions. Word has length 113 [2018-04-12 22:04:45,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:04:45,668 INFO L459 AbstractCegarLoop]: Abstraction has 28676 states and 37206 transitions. [2018-04-12 22:04:45,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 22:04:45,668 INFO L276 IsEmpty]: Start isEmpty. Operand 28676 states and 37206 transitions. [2018-04-12 22:04:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-04-12 22:04:45,670 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:04:45,670 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:04:45,670 INFO L408 AbstractCegarLoop]: === Iteration 159 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:04:45,670 INFO L82 PathProgramCache]: Analyzing trace with hash 260239829, now seen corresponding path program 1 times [2018-04-12 22:04:45,670 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:04:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:04:45,683 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:04:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:46,655 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:04:46,655 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-12 22:04:46,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:04:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:46,655 INFO L182 omatonBuilderFactory]: Interpolants [8256509#(and (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_~#sentinel~0.offset|)), 8256508#(or (<= (+ main_~n~0.offset 1) 0) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 |main_~#sentinel~0.offset|))), 8256511#(and (= main_~n~0.offset 0) (= 0 |main_~#sentinel~0.offset|) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8256510#(and (or (= 8 (select |#length| |main_#t~mem21.base|)) (and (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= main_~n~0.offset 0) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 8256505#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8256504#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ 0 4))) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ 0 4))))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8256507#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8256506#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ 0 4)))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~succ~0.base) (+ 0 4))) (not (= main_~n~0.base main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8256501#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8256500#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)) 0) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8256503#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8256502#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 |main_~#sentinel~0.offset|) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8256497#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (not (= main_~root~0.base main_~n~0.base)) (= |main_#t~malloc17.offset| 0)), 8256496#(and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (< main_~n~0.offset (+ main_~root~0.offset 1)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (not (= main_~root~0.base main_~n~0.base))), 8256499#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8256498#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset main_~n~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8256493#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8256492#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8256495#(and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (or (= main_~root~0.offset main_~n~0.offset) (< main_~n~0.offset main_~root~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base))), 8256494#(and (not (= main_~root~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= (select |#valid| main_~root~0.base) 1) (= 0 |main_#t~mem6.offset|) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.base|)), 8256489#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8256488#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8256491#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 8256490#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 8256485#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8256484#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8256487#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8256486#(and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8256481#(= 0 |main_#t~malloc0.offset|), 8256480#false, 8256483#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8256482#(= main_~root~0.offset 0), 8256479#true, 8256517#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 8256516#(and (or (= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.base| main_~n~0.base)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 8256513#(and (= 0 |main_~#sentinel~0.offset|) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8256512#(and (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 8256515#(and (or (= 8 (select |#length| main_~succ~0.base)) (= |main_~#sentinel~0.base| main_~succ~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8256514#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (or (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.base| |main_#t~mem20.base|)) (= 0 |main_~#sentinel~0.offset|))] [2018-04-12 22:04:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:46,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 22:04:46,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 22:04:46,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1347, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 22:04:46,656 INFO L87 Difference]: Start difference. First operand 28676 states and 37206 transitions. Second operand 39 states. [2018-04-12 22:04:51,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:04:51,295 INFO L93 Difference]: Finished difference Result 30457 states and 39353 transitions. [2018-04-12 22:04:51,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-12 22:04:51,295 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 113 [2018-04-12 22:04:51,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:04:51,315 INFO L225 Difference]: With dead ends: 30457 [2018-04-12 22:04:51,315 INFO L226 Difference]: Without dead ends: 30457 [2018-04-12 22:04:51,315 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 5 SyntacticMatches, 9 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2772 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1142, Invalid=9364, Unknown=0, NotChecked=0, Total=10506 [2018-04-12 22:04:51,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30457 states. [2018-04-12 22:04:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30457 to 28773. [2018-04-12 22:04:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28773 states. [2018-04-12 22:04:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28773 states to 28773 states and 37316 transitions. [2018-04-12 22:04:51,515 INFO L78 Accepts]: Start accepts. Automaton has 28773 states and 37316 transitions. Word has length 113 [2018-04-12 22:04:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:04:51,515 INFO L459 AbstractCegarLoop]: Abstraction has 28773 states and 37316 transitions. [2018-04-12 22:04:51,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 22:04:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 28773 states and 37316 transitions. [2018-04-12 22:04:51,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-04-12 22:04:51,517 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:04:51,517 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:04:51,517 INFO L408 AbstractCegarLoop]: === Iteration 160 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:04:51,517 INFO L82 PathProgramCache]: Analyzing trace with hash -522500898, now seen corresponding path program 1 times [2018-04-12 22:04:51,517 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:04:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:04:51,531 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:04:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:52,756 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:04:52,756 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-12 22:04:52,756 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:04:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:52,757 INFO L182 omatonBuilderFactory]: Interpolants [8315902#(or (= 1 (select |#valid| 0)) (and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ main_~root~0.offset 4)))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0))), 8315903#(or (and (= 0 main_~succ~0.offset) (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (not (= main_~n~0.base main_~succ~0.base)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ main_~root~0.offset 4))))) (= 1 (select |#valid| 0))), 8315900#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 8315901#(or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 8315898#(or (= 1 (select |#valid| 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select |#valid| 0)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 8315899#(or (= 1 (select |#valid| 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 8315896#(or (= 1 (select |#valid| 0)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))), 8315897#(or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (= 1 (select |#valid| 0))), 8315894#(or (= 1 (select |#valid| 0)) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)))), 8315895#(or (and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (not (= main_~root~0.base main_~n~0.base))) (= 1 (select |#valid| 0))), 8315892#(or (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.offset|) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| 0))), 8315893#(or (= 1 (select |#valid| 0)) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)))), 8315890#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 8315891#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= 1 (select |#valid| 0))), 8315888#(or (= 1 (select |#valid| 0)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset))), 8315889#(or (= 1 (select |#valid| 0)) (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset))), 8315886#(or (and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 8315887#(or (= 1 (select |#valid| 0)) (and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 8315884#(or (and (= main_~n~0.base main_~root~0.base) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 8315885#(or (and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (= 1 (select |#valid| 0))), 8315882#(and (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8315883#(or (= 1 (select |#valid| 0)) (and (= main_~n~0.base main_~root~0.base) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 0 (select |#valid| 0)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset))), 8315880#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0)), 8315881#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 8315878#(= 0 (select |#valid| 0)), 8315879#(and (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 8315876#true, 8315877#false, 8315914#(or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| main_~n~0.base)))), 8315915#(= 1 (select |#valid| 0)), 8315912#(or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| |main_#t~mem20.base|)))), 8315913#(or (and (not (= |main_~#sentinel~0.base| main_~succ~0.base)) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 8315910#(or (= 1 (select |#valid| 0)) (and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= main_~root~0.offset 0))), 8315911#(or (= 1 (select |#valid| 0)) (and (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 8315908#(or (and (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 8315909#(or (= 1 (select |#valid| 0)) (and (= main_~n~0.offset 0) (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 8315906#(or (and (= main_~root~0.offset 0) (or (and (= main_~n~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (< main_~n~0.offset main_~root~0.offset))) (= 1 (select |#valid| 0))), 8315907#(or (and (= main_~n~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)) (= 1 (select |#valid| 0))), 8315904#(or (and (= 0 main_~succ~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base main_~succ~0.base)) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ main_~root~0.offset 4))))) (= 1 (select |#valid| 0))), 8315905#(or (= 1 (select |#valid| 0)) (and (= 0 main_~succ~0.offset) (= main_~root~0.offset 0) (not (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~succ~0.base) (+ main_~root~0.offset 4))))))] [2018-04-12 22:04:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:04:52,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-12 22:04:52,757 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-12 22:04:52,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1418, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 22:04:52,757 INFO L87 Difference]: Start difference. First operand 28773 states and 37316 transitions. Second operand 40 states. [2018-04-12 22:04:59,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:04:59,461 INFO L93 Difference]: Finished difference Result 36230 states and 46602 transitions. [2018-04-12 22:04:59,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-04-12 22:04:59,484 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 114 [2018-04-12 22:04:59,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:04:59,508 INFO L225 Difference]: With dead ends: 36230 [2018-04-12 22:04:59,509 INFO L226 Difference]: Without dead ends: 36230 [2018-04-12 22:04:59,509 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 8 SyntacticMatches, 4 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4702 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1849, Invalid=14663, Unknown=0, NotChecked=0, Total=16512 [2018-04-12 22:04:59,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36230 states. [2018-04-12 22:04:59,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36230 to 33235. [2018-04-12 22:04:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33235 states. [2018-04-12 22:04:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33235 states to 33235 states and 43134 transitions. [2018-04-12 22:04:59,750 INFO L78 Accepts]: Start accepts. Automaton has 33235 states and 43134 transitions. Word has length 114 [2018-04-12 22:04:59,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:04:59,750 INFO L459 AbstractCegarLoop]: Abstraction has 33235 states and 43134 transitions. [2018-04-12 22:04:59,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-12 22:04:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 33235 states and 43134 transitions. [2018-04-12 22:04:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-04-12 22:04:59,752 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:04:59,752 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:04:59,752 INFO L408 AbstractCegarLoop]: === Iteration 161 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:04:59,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1099600451, now seen corresponding path program 4 times [2018-04-12 22:04:59,752 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:04:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:04:59,773 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 3 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:00,605 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:00,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-12 22:05:00,605 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:00,605 INFO L182 omatonBuilderFactory]: Interpolants [8385595#(= 1 (select |#valid| main_~n~0.base)), 8385594#(= 1 (select |#valid| |main_#t~mem7.base|)), 8385593#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 8385592#(or (not |main_#t~short4|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8385591#(or (and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8385590#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8385589#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 8385588#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| main_~root~0.base))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)))), 8385587#(or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 8385586#(and (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base))))), 8385585#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (or (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))))), 8385584#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|))) (and (not (= main_~n~0.base main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~malloc17.base|))))), 8385583#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base main_~root~0.base)) (not (= (select |#valid| main_~root~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (not (= main_~n~0.base main_~root~0.base)) (not (= (select |#valid| main_~root~0.base) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))))) (= (select |#valid| main_~n~0.base) 1)), 8385582#(and (not (= (select |#valid| main_~root~0.base) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~n~0.base)) (not (= main_~root~0.base main_~n~0.base))), 8385581#(and (not (= (select |#valid| main_~root~0.base) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~n~0.base)) (not (= main_~root~0.base main_~n~0.base)) (not (= |main_#t~mem12.base| main_~root~0.base))), 8385580#(and (not (= (select |#valid| main_~root~0.base) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (not (= main_~root~0.base main_~n~0.base))), 8385579#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= (select |#valid| main_~root~0.base) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base main_~n~0.base))), 8385578#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base main_~n~0.base))), 8385577#(and (not (= main_~root~0.base |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1)), 8385576#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1)), 8385575#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8385574#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset)), 8385573#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8385572#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset)), 8385571#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.base main_~n~0.base) (= main_~n~0.offset main_~root~0.offset)), 8385570#(and (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= main_~n~0.offset main_~root~0.offset)), 8385569#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8385568#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8385567#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8385566#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8385565#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8385564#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8385563#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8385562#(= main_~root~0.offset 0), 8385561#(= 0 |main_#t~malloc0.offset|), 8385560#false, 8385559#true] [2018-04-12 22:05:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 3 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:00,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 22:05:00,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 22:05:00,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1152, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 22:05:00,606 INFO L87 Difference]: Start difference. First operand 33235 states and 43134 transitions. Second operand 37 states. [2018-04-12 22:05:04,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:05:04,386 INFO L93 Difference]: Finished difference Result 41323 states and 52825 transitions. [2018-04-12 22:05:04,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-04-12 22:05:04,387 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 114 [2018-04-12 22:05:04,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:05:04,413 INFO L225 Difference]: With dead ends: 41323 [2018-04-12 22:05:04,413 INFO L226 Difference]: Without dead ends: 41323 [2018-04-12 22:05:04,413 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 6 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3138 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=2379, Invalid=9831, Unknown=0, NotChecked=0, Total=12210 [2018-04-12 22:05:04,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41323 states. [2018-04-12 22:05:04,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41323 to 33235. [2018-04-12 22:05:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33235 states. [2018-04-12 22:05:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33235 states to 33235 states and 43127 transitions. [2018-04-12 22:05:04,665 INFO L78 Accepts]: Start accepts. Automaton has 33235 states and 43127 transitions. Word has length 114 [2018-04-12 22:05:04,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:05:04,665 INFO L459 AbstractCegarLoop]: Abstraction has 33235 states and 43127 transitions. [2018-04-12 22:05:04,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 22:05:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 33235 states and 43127 transitions. [2018-04-12 22:05:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-04-12 22:05:04,667 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:05:04,667 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:05:04,667 INFO L408 AbstractCegarLoop]: === Iteration 162 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:05:04,667 INFO L82 PathProgramCache]: Analyzing trace with hash 980408844, now seen corresponding path program 2 times [2018-04-12 22:05:04,667 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:05:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:05:04,677 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:04,921 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-04-12 22:05:04,921 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:04,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 22:05:04,922 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:04,922 INFO L182 omatonBuilderFactory]: Interpolants [8460320#(and (not |main_#t~short16|) (= main_~root~0.offset 0)), 8460303#false, 8460302#true, 8460305#(= main_~root~0.offset 0), 8460304#(= 0 |main_#t~malloc0.offset|), 8460307#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8460306#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8460309#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8460308#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= 0 |main_#t~malloc17.base|))), 8460311#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8460310#(and (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8460313#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8460312#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8460315#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0)), 8460314#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8460317#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= |main_#t~mem13.offset| 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8460316#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0)), 8460319#(and (not (= 0 |main_#t~mem14.base|)) (= main_~root~0.offset 0)), 8460318#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0))] [2018-04-12 22:05:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-04-12 22:05:04,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 22:05:04,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 22:05:04,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2018-04-12 22:05:04,922 INFO L87 Difference]: Start difference. First operand 33235 states and 43127 transitions. Second operand 19 states. [2018-04-12 22:05:05,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:05:05,875 INFO L93 Difference]: Finished difference Result 34008 states and 43639 transitions. [2018-04-12 22:05:05,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-12 22:05:05,875 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 115 [2018-04-12 22:05:05,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:05:05,897 INFO L225 Difference]: With dead ends: 34008 [2018-04-12 22:05:05,897 INFO L226 Difference]: Without dead ends: 34008 [2018-04-12 22:05:05,897 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=429, Invalid=1211, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 22:05:05,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34008 states. [2018-04-12 22:05:06,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34008 to 31068. [2018-04-12 22:05:06,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31068 states. [2018-04-12 22:05:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31068 states to 31068 states and 40328 transitions. [2018-04-12 22:05:06,121 INFO L78 Accepts]: Start accepts. Automaton has 31068 states and 40328 transitions. Word has length 115 [2018-04-12 22:05:06,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:05:06,122 INFO L459 AbstractCegarLoop]: Abstraction has 31068 states and 40328 transitions. [2018-04-12 22:05:06,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 22:05:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 31068 states and 40328 transitions. [2018-04-12 22:05:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-04-12 22:05:06,123 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:05:06,123 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:05:06,123 INFO L408 AbstractCegarLoop]: === Iteration 163 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:05:06,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1182232778, now seen corresponding path program 1 times [2018-04-12 22:05:06,124 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:05:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:05:06,138 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:07,491 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:07,491 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-12 22:05:07,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:07,491 INFO L182 omatonBuilderFactory]: Interpolants [8525442#false, 8525443#(= |main_#t~malloc0.offset| 0), 8525441#true, 8525446#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0)), 8525447#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~n~0.offset 0) (= main_~root~0.offset 0)), 8525444#(= main_~root~0.offset 0), 8525445#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8525450#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4))))), 8525451#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4))))), 8525448#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8525449#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8525454#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 8525455#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8525452#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8525453#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 8525458#(and (= |main_~#sentinel~0.offset| main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (or (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8525459#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (or (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 8525456#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 8525457#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ 0 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8525462#(and (= 0 main_~succ~0.offset) (or (= 8 (select |#length| main_~succ~0.base)) (and (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| |main_#t~mem21.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base))), 8525463#(and (or (= 8 (select |#length| main_~succ~0.base)) (and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base))) (= 0 main_~succ~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base))), 8525460#(and (= 0 |main_#t~mem20.offset|) (not (= main_~n~0.base |main_#t~mem20.base|)) (or (= 8 (select |#length| |main_#t~mem20.base|)) (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= main_~n~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 8525461#(and (= 0 main_~succ~0.offset) (= main_~n~0.offset 0) (or (= 8 (select |#length| main_~succ~0.base)) (and (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base))), 8525466#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)))), 8525467#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 8525464#(or (and (or (= 8 (select |#length| main_~n~0.base)) (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)))) (<= (+ main_~n~0.offset 1) 0)), 8525465#(or (<= (+ main_~n~0.offset 1) 0) (and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|))))), 8525470#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))) (<= 1 main_~n~0.offset)) (or (not (= main_~n~0.offset 0)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 8525471#(and (not (= main_~n~0.base |main_#t~mem21.base|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|))) (<= 0 main_~n~0.offset)), 8525468#(and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|))) (= 8 (select |#length| main_~pred~0.base))), 8525469#(or (<= (+ main_~n~0.offset 1) 0) (and (= 8 (select |#length| main_~n~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))) (<= 1 main_~n~0.offset)) (or (not (= main_~n~0.offset 0)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))))), 8525474#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8525475#(and (not (= main_~n~0.base |main_#t~mem20.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|)), 8525472#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8525473#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 8525478#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 8525479#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8525476#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8525477#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8525482#(= 1 (select |#valid| main_~n~0.base)), 8525480#(= 1 (select |#valid| |main_#t~mem20.base|)), 8525481#(= 1 (select |#valid| main_~succ~0.base))] [2018-04-12 22:05:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:07,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 22:05:07,492 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 22:05:07,492 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1591, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 22:05:07,492 INFO L87 Difference]: Start difference. First operand 31068 states and 40328 transitions. Second operand 42 states. [2018-04-12 22:05:11,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:05:11,778 INFO L93 Difference]: Finished difference Result 33332 states and 42964 transitions. [2018-04-12 22:05:11,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-04-12 22:05:11,779 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 115 [2018-04-12 22:05:11,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:05:11,800 INFO L225 Difference]: With dead ends: 33332 [2018-04-12 22:05:11,801 INFO L226 Difference]: Without dead ends: 33332 [2018-04-12 22:05:11,801 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 2 SyntacticMatches, 10 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2705 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1280, Invalid=9022, Unknown=0, NotChecked=0, Total=10302 [2018-04-12 22:05:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33332 states. [2018-04-12 22:05:12,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33332 to 31068. [2018-04-12 22:05:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31068 states. [2018-04-12 22:05:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31068 states to 31068 states and 40328 transitions. [2018-04-12 22:05:12,080 INFO L78 Accepts]: Start accepts. Automaton has 31068 states and 40328 transitions. Word has length 115 [2018-04-12 22:05:12,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:05:12,080 INFO L459 AbstractCegarLoop]: Abstraction has 31068 states and 40328 transitions. [2018-04-12 22:05:12,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 22:05:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 31068 states and 40328 transitions. [2018-04-12 22:05:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-04-12 22:05:12,082 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:05:12,082 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:05:12,082 INFO L408 AbstractCegarLoop]: === Iteration 164 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:05:12,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1182232779, now seen corresponding path program 1 times [2018-04-12 22:05:12,083 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:05:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:05:12,098 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 11 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:13,664 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:13,664 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-04-12 22:05:13,664 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:13,665 INFO L182 omatonBuilderFactory]: Interpolants [8590019#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8590018#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)))) |main_#t~short4|) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8590017#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8590016#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8590023#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 8590022#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8590021#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 8590020#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 8590027#(or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem20.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 8 (select |#length| |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset))), 8590026#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset)) (and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 8590025#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= |main_~#sentinel~0.offset| main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (= main_~root~0.offset 0)), 8590024#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8590031#(or (and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= |main_~#sentinel~0.base| main_~n~0.base)) (and (or (<= (+ main_~n~0.offset 1) 0) (and (= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= main_~n~0.base main_~pred~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|))))) (= 8 (select |#length| main_~n~0.base)))), 8590030#(or (and (= 8 (select |#length| main_~succ~0.base)) (= 0 main_~succ~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base))) (and (= |main_~#sentinel~0.offset| main_~succ~0.offset) (= |main_~#sentinel~0.base| main_~succ~0.base))), 8590029#(or (and (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 8 (select |#length| main_~succ~0.base)) (= 0 |main_#t~mem21.offset|) (= 0 main_~succ~0.offset) (= 8 (select |#length| |main_#t~mem21.base|)) (= |main_~#sentinel~0.offset| main_~n~0.offset) (not (= main_~n~0.base main_~succ~0.base)))), 8590028#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| main_~succ~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 main_~succ~0.offset) (= main_~n~0.offset |main_~#sentinel~0.offset|) (not (= main_~n~0.base main_~succ~0.base))) (and (= main_~succ~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~succ~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 8590035#(and (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4))) |main_~#sentinel~0.offset|)) (= 8 (select |#length| main_~pred~0.base))), 8590034#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))), 8590033#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= main_~n~0.offset 0) (not (= main_~n~0.base main_~pred~0.base)) (= 8 (select |#length| main_~n~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|)))), 8590032#(and (or (<= (+ main_~n~0.offset 1) 0) (and (= 0 main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) |main_~#sentinel~0.offset|)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (not (= main_~n~0.base main_~pred~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) |main_~#sentinel~0.offset|))))) (= 8 (select |#length| main_~n~0.base))), 8590039#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~n~0.base)) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8590038#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)) (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem21.base|)) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (<= 0 main_~n~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) |main_~#sentinel~0.offset|)))), 8590037#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (<= 0 main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base))) (<= 1 main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8)), 8590036#(or (and (or (<= 1 main_~n~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) |main_~#sentinel~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)))) (= 8 (select |#length| main_~n~0.base))) (<= (+ main_~n~0.offset 1) 0)), 8590043#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base main_~succ~0.base)) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8590042#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))) (not (= main_~n~0.base |main_#t~mem20.base|)) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_~#sentinel~0.offset|))), 8590041#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8590040#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset)) |main_~#sentinel~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset) main_~pred~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 8590047#(and (= 0 |main_#t~mem20.offset|) (= 8 (select |#length| |main_#t~mem20.base|))), 8590046#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 8590045#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 8590044#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~succ~0.base) |main_~#sentinel~0.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~succ~0.base) |main_~#sentinel~0.offset|))) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 8590049#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base))), 8590048#(and (= 8 (select |#length| main_~succ~0.base)) (= 0 main_~succ~0.offset)), 8590003#true, 8590007#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8590006#(= main_~root~0.offset 0), 8590005#(= |main_#t~malloc0.offset| 0), 8590004#false, 8590011#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 8590010#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8590009#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8590008#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8590015#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8590014#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8590013#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8590012#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))] [2018-04-12 22:05:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 11 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:13,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 22:05:13,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 22:05:13,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1988, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 22:05:13,665 INFO L87 Difference]: Start difference. First operand 31068 states and 40328 transitions. Second operand 47 states. [2018-04-12 22:05:16,055 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 117 DAG size of output 74 [2018-04-12 22:05:19,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:05:19,517 INFO L93 Difference]: Finished difference Result 33426 states and 43067 transitions. [2018-04-12 22:05:19,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-12 22:05:19,517 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 115 [2018-04-12 22:05:19,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:05:19,538 INFO L225 Difference]: With dead ends: 33426 [2018-04-12 22:05:19,538 INFO L226 Difference]: Without dead ends: 33426 [2018-04-12 22:05:19,539 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 5 SyntacticMatches, 7 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3218 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1397, Invalid=10593, Unknown=0, NotChecked=0, Total=11990 [2018-04-12 22:05:19,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33426 states. [2018-04-12 22:05:19,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33426 to 31070. [2018-04-12 22:05:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31070 states. [2018-04-12 22:05:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31070 states to 31070 states and 40331 transitions. [2018-04-12 22:05:19,759 INFO L78 Accepts]: Start accepts. Automaton has 31070 states and 40331 transitions. Word has length 115 [2018-04-12 22:05:19,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:05:19,759 INFO L459 AbstractCegarLoop]: Abstraction has 31070 states and 40331 transitions. [2018-04-12 22:05:19,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 22:05:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 31070 states and 40331 transitions. [2018-04-12 22:05:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-04-12 22:05:19,761 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:05:19,761 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:05:19,761 INFO L408 AbstractCegarLoop]: === Iteration 165 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:05:19,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1614977041, now seen corresponding path program 4 times [2018-04-12 22:05:19,761 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:05:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:05:19,780 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 33 proven. 116 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 22:05:21,687 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:21,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-04-12 22:05:21,687 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:21,688 INFO L182 omatonBuilderFactory]: Interpolants [8654676#(and (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8654677#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8654678#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 8654679#(and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset))), 8654672#true, 8654673#false, 8654674#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 8654675#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8654684#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8654685#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~mem2.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8654686#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)))) |main_#t~short4|) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8654687#(and (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8654680#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (or (not (= main_~root~0.offset main_~n~0.offset)) (= 0 |main_#t~malloc17.offset|)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset))), 8654681#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8654682#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 8 (select |#length| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8654683#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8654692#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))), 8654693#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem14.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8654694#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 8654695#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (= (select |#memory_$Pointer$.offset| main_~n~0.base) (select |#memory_$Pointer$.offset| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base))), 8654688#(and (not (= |main_#t~malloc11.base| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) |main_#t~malloc11.offset|) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8654689#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))), 8654690#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8654691#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))), 8654700#(and (or (and (or (= main_~n~0.offset 0) (and (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (or (not (= main_~n~0.offset 0)) |main_#t~short4|)) (and (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 8654701#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))) (not (= main_~root~0.base main_~n~0.base)))) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 8654702#(and (or (and (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))) (not (= main_~root~0.base main_~n~0.base)) (not (= |main_#t~malloc11.base| main_~root~0.base))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0)), 8654703#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))) (= main_~root~0.offset 0)), 8654696#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (= (select |#memory_$Pointer$.offset| main_~n~0.base) (select |#memory_$Pointer$.offset| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 8654697#(and (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= 0 |main_#t~mem7.offset|) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 8654698#(and (= 1 (select |#valid| main_~root~0.base)) (or (and (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (< main_~n~0.offset main_~root~0.offset)) (not (= main_~root~0.base main_~n~0.base))) (and (or (= main_~n~0.offset 0) (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~root~0.base)))) (or (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))))) (= main_~root~0.offset 0)), 8654699#(and (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (or (and (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7))) (not (= main_~root~0.base main_~n~0.base))) (and (or (= main_~n~0.offset 0) (and (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset))) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)))))), 8654708#(and (or (and (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)) (<= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0))) (= main_~root~0.offset 0)), 8654709#(and (or (not |main_#t~short16|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)) (<= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0))) (= main_~root~0.offset 0)), 8654710#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)) (<= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0))) (= main_~root~0.offset 0)), 8654711#(or (and (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (<= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))))), 8654704#(and (or (and (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base)) (not (= |main_#t~mem12.base| main_~root~0.base))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))) (= main_~root~0.offset 0)), 8654705#(and (or (and (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base main_~n~0.base))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))) (= main_~root~0.offset 0)), 8654706#(and (or (and (not (= |main_#t~mem13.base| main_~root~0.base)) (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) main_~n~0.offset)))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))) (= main_~root~0.offset 0)), 8654707#(and (or (and (= main_~n~0.offset 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) (<= (select |#length| main_~n~0.base) (+ main_~n~0.offset 7)) (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) main_~n~0.offset))) (= main_~root~0.offset 0)), 8654716#(not |main_#t~short4|), 8654712#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4))) (= 0 |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4)))) (and (<= |main_#t~mem7.offset| 0) (not (= |main_#t~mem7.offset| 0)))), 8654713#(or (and (<= main_~n~0.offset 0) (not (= main_~n~0.offset 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8654714#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 8654715#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0) (= main_~n~0.offset 0))] [2018-04-12 22:05:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 33 proven. 116 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 22:05:21,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-12 22:05:21,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-12 22:05:21,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=1773, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 22:05:21,688 INFO L87 Difference]: Start difference. First operand 31070 states and 40331 transitions. Second operand 45 states. [2018-04-12 22:05:34,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:05:34,196 INFO L93 Difference]: Finished difference Result 37840 states and 48712 transitions. [2018-04-12 22:05:34,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-04-12 22:05:34,196 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 116 [2018-04-12 22:05:34,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:05:34,221 INFO L225 Difference]: With dead ends: 37840 [2018-04-12 22:05:34,221 INFO L226 Difference]: Without dead ends: 37840 [2018-04-12 22:05:34,222 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 4 SyntacticMatches, 6 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13103 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=4451, Invalid=34161, Unknown=0, NotChecked=0, Total=38612 [2018-04-12 22:05:34,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37840 states. [2018-04-12 22:05:34,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37840 to 33236. [2018-04-12 22:05:34,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33236 states. [2018-04-12 22:05:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33236 states to 33236 states and 43068 transitions. [2018-04-12 22:05:34,467 INFO L78 Accepts]: Start accepts. Automaton has 33236 states and 43068 transitions. Word has length 116 [2018-04-12 22:05:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:05:34,467 INFO L459 AbstractCegarLoop]: Abstraction has 33236 states and 43068 transitions. [2018-04-12 22:05:34,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-12 22:05:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 33236 states and 43068 transitions. [2018-04-12 22:05:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-04-12 22:05:34,469 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:05:34,469 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:05:34,469 INFO L408 AbstractCegarLoop]: === Iteration 166 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:05:34,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1658403275, now seen corresponding path program 5 times [2018-04-12 22:05:34,469 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:05:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:05:34,484 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:35,601 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 38 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:35,601 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:35,601 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-12 22:05:35,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:35,602 INFO L182 omatonBuilderFactory]: Interpolants [8726101#(and (= 0 main_~root~0.offset) (= (select |#length| main_~root~0.base) 8) (= 1 (select |#valid| main_~root~0.base))), 8726100#(and (= 0 main_~root~0.offset) (= (select |#length| main_~root~0.base) 8)), 8726103#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= 0 main_~root~0.offset) (= main_~root~0.offset main_~n~0.offset) (= (select |#length| main_~n~0.base) 8)), 8726102#(and (= 0 main_~root~0.offset) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (= (select |#length| main_~n~0.base) 8)), 8726097#true, 8726099#(and (= 0 |main_#t~malloc0.offset|) (= (select |#length| |main_#t~malloc0.base|) 8)), 8726098#false, 8726109#(and (not (= |main_#t~malloc11.base| 0)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select |#length| main_~n~0.base) 8) (= 1 (select |#valid| |main_#t~malloc11.base|)) (= main_~n~0.offset |main_#t~malloc11.offset|) (= main_~n~0.offset main_~root~0.offset) (not (= |main_#t~malloc11.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 8726108#(and (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= (select |#length| main_~n~0.base) 8) (= main_~n~0.offset main_~root~0.offset)), 8726111#(and (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0)) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8726110#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#length| main_~n~0.base) 8) (= 1 (select |#valid| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0)) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset))), 8726105#(and (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= (select |#length| main_~n~0.base) 8) (= (select |#valid| main_~root~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8726104#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= main_~root~0.offset main_~n~0.offset) (= (select |#length| main_~n~0.base) 8) (= (select |#valid| main_~root~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8726107#(and (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#length| main_~root~0.base) 8) (= (select |#valid| main_~root~0.base) 1)), 8726106#(and (= 0 main_~root~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#length| main_~root~0.base) 8) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)), 8726117#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (and (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0)) (= (select |#length| main_~root~0.base) 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 1 (select |#valid| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 8726116#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#length| main_~root~0.base) 8) (= 1 (select |#valid| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 8726119#(or (and (or (and (= main_~n~0.base main_~root~0.base) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0))) (= 1 (select |#valid| main_~root~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)))), 8726118#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 1 (select |#valid| main_~root~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) |main_#t~mem7.offset|) 0)) (and (= (select |#length| main_~root~0.base) 8) (not (= |main_#t~mem7.offset| 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 8726113#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (= (select |#length| main_~n~0.base) 8) (not (= main_~n~0.offset (+ |main_#t~mem13.offset| 4))) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0))), 8726112#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) 0) 0)) (= main_~n~0.offset main_~root~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 8726115#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#length| main_~root~0.base) 8) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))), 8726114#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= (select |#length| main_~root~0.base) 8) (= 1 (select |#valid| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) 0) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 8726125#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base)) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~mem12.base| main_~root~0.base))) (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)) (= (select |#length| main_~root~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|))), 8726124#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.offset 0)) (= (select |#length| main_~root~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= 0 main_~n~0.offset)))), 8726127#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (<= (select |#length| main_~n~0.base) 8))), 8726126#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (or (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~mem13.base|)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= (select |#length| main_~root~0.base) (select |#length| |main_#t~mem13.base|))) (and (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))))), 8726121#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) |main_#t~short4|)))), 8726120#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))) (and (= 1 (select |#valid| main_~root~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) 0)) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))))) (= 1 (select |#valid| main_~n~0.base))), 8726123#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (not (= |main_#t~malloc11.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (not (= |main_#t~malloc11.base| main_~root~0.base))) (and (= main_~n~0.base main_~root~0.base) (= (select |#length| main_~root~0.base) (select |#length| |main_#t~malloc11.base|)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset) (= 8 (select |#length| |main_#t~malloc11.base|)))) (not (= main_~n~0.base |main_#t~malloc11.base|))), 8726122#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (= (select |#length| main_~root~0.base) 8) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 1 (select |#valid| main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))))), 8726133#(and (= main_~n~0.offset 0) (not |main_#t~short4|)), 8726132#(and (= main_~n~0.offset 0) (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 8726129#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))), 8726128#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 0))), 8726131#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8726130#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) 0)) (= 0 |main_#t~mem6.offset|))] [2018-04-12 22:05:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 38 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:35,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 22:05:35,602 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 22:05:35,602 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1181, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 22:05:35,602 INFO L87 Difference]: Start difference. First operand 33236 states and 43068 transitions. Second operand 37 states. [2018-04-12 22:05:41,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:05:41,057 INFO L93 Difference]: Finished difference Result 36013 states and 46282 transitions. [2018-04-12 22:05:41,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-04-12 22:05:41,058 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 116 [2018-04-12 22:05:41,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:05:41,083 INFO L225 Difference]: With dead ends: 36013 [2018-04-12 22:05:41,083 INFO L226 Difference]: Without dead ends: 36013 [2018-04-12 22:05:41,083 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 5 SyntacticMatches, 5 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2880 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1646, Invalid=8860, Unknown=0, NotChecked=0, Total=10506 [2018-04-12 22:05:41,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36013 states. [2018-04-12 22:05:41,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36013 to 33364. [2018-04-12 22:05:41,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33364 states. [2018-04-12 22:05:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33364 states to 33364 states and 43200 transitions. [2018-04-12 22:05:41,392 INFO L78 Accepts]: Start accepts. Automaton has 33364 states and 43200 transitions. Word has length 116 [2018-04-12 22:05:41,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:05:41,392 INFO L459 AbstractCegarLoop]: Abstraction has 33364 states and 43200 transitions. [2018-04-12 22:05:41,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 22:05:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 33364 states and 43200 transitions. [2018-04-12 22:05:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-04-12 22:05:41,394 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:05:41,394 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:05:41,394 INFO L408 AbstractCegarLoop]: === Iteration 167 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:05:41,394 INFO L82 PathProgramCache]: Analyzing trace with hash -756762221, now seen corresponding path program 5 times [2018-04-12 22:05:41,395 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:05:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:05:41,412 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 72 proven. 66 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 22:05:42,242 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:42,242 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-12 22:05:42,242 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:42,243 INFO L182 omatonBuilderFactory]: Interpolants [8795654#(and (not (= main_~n~0.offset (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 8795655#(and (not (= main_~n~0.offset (+ main_~root~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc11.base|)) (= main_~root~0.offset 0)), 8795652#(and (= main_~root~0.offset |main_#t~mem19.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= 1 (select |#valid| |main_#t~mem19.base|))), 8795653#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8795650#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) main_~n~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8795651#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8795648#(and (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset main_~n~0.offset) (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 8795649#(and (= main_~n~0.base main_~root~0.base) (= 1 (select |#valid| |main_#t~malloc17.base|)) (= main_~root~0.offset main_~n~0.offset) (not (= |main_#t~malloc17.base| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 |main_#t~malloc17.offset|)), 8795662#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ main_~root~0.offset 4))) (= 0 |main_#t~mem7.offset|) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ main_~root~0.offset 4)))), 8795663#(and (or (and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (< main_~n~0.offset main_~root~0.offset)) (= main_~root~0.offset 0)), 8795660#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8795661#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 8795658#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem13.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0)), 8795659#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 8795656#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)), 8795657#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8795670#(and (= |main_#t~mem14.base| 0) (= |main_#t~mem14.offset| 0) (= main_~root~0.offset 0)), 8795671#(and |main_#t~short16| (= main_~root~0.offset 0)), 8795668#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 8795669#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 8795666#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 8795667#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 8795664#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 8795665#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 8795646#(= main_~root~0.offset 0), 8795647#(and (= 1 (select |#valid| main_~root~0.base)) (= main_~root~0.offset 0)), 8795644#false, 8795645#(= 0 |main_#t~malloc0.offset|), 8795643#true] [2018-04-12 22:05:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 72 proven. 66 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-04-12 22:05:42,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 22:05:42,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 22:05:42,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=697, Unknown=0, NotChecked=0, Total=812 [2018-04-12 22:05:42,243 INFO L87 Difference]: Start difference. First operand 33364 states and 43200 transitions. Second operand 29 states. [2018-04-12 22:05:43,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:05:43,977 INFO L93 Difference]: Finished difference Result 35814 states and 45997 transitions. [2018-04-12 22:05:43,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-12 22:05:43,977 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 116 [2018-04-12 22:05:43,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:05:44,001 INFO L225 Difference]: With dead ends: 35814 [2018-04-12 22:05:44,001 INFO L226 Difference]: Without dead ends: 35814 [2018-04-12 22:05:44,001 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=605, Invalid=2817, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 22:05:44,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35814 states. [2018-04-12 22:05:44,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35814 to 33188. [2018-04-12 22:05:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33188 states. [2018-04-12 22:05:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33188 states to 33188 states and 42910 transitions. [2018-04-12 22:05:44,237 INFO L78 Accepts]: Start accepts. Automaton has 33188 states and 42910 transitions. Word has length 116 [2018-04-12 22:05:44,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:05:44,237 INFO L459 AbstractCegarLoop]: Abstraction has 33188 states and 42910 transitions. [2018-04-12 22:05:44,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 22:05:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand 33188 states and 42910 transitions. [2018-04-12 22:05:44,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-04-12 22:05:44,239 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:05:44,239 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:05:44,239 INFO L408 AbstractCegarLoop]: === Iteration 168 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:05:44,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1198279499, now seen corresponding path program 6 times [2018-04-12 22:05:44,239 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:05:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:05:44,259 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 31 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:45,520 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:45,520 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-12 22:05:45,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:45,521 INFO L182 omatonBuilderFactory]: Interpolants [8864735#false, 8864734#true, 8864743#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| |main_#t~mem19.base|) 1) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8864742#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= |main_#t~mem18.offset| 0) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8864741#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~root~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 1) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8864740#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| |main_#t~malloc17.base|)) (= (select |#valid| |main_#t~malloc17.base|) 1) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 8864739#(and (= main_~n~0.base main_~root~0.base) (= main_~root~0.offset main_~n~0.offset) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8864738#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8864737#(= main_~root~0.offset 0), 8864736#(= |main_#t~malloc0.offset| 0), 8864751#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 8864750#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 8864749#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 8864748#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8864747#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset)), 8864746#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8864745#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 8864744#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864759#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) main_~n~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864758#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) main_~n~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base main_~n~0.base)) (not (= |main_#t~mem12.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864757#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) main_~n~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864756#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864755#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864754#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= (select |#valid| |main_#t~mem6.base|) 1) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864753#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864752#(and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864767#(not |main_#t~short4|), 8864766#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0)), 8864765#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)) (= (select |#length| main_~n~0.base) 8)), 8864764#(or (<= (+ main_~n~0.offset 1) 0) (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (<= 1 main_~n~0.offset)) (= 8 (select |#length| main_~n~0.base)))), 8864763#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4))) (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4)))), 8864762#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))), 8864761#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))), 8864760#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))))] [2018-04-12 22:05:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 31 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:45,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-12 22:05:45,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-12 22:05:45,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 22:05:45,521 INFO L87 Difference]: Start difference. First operand 33188 states and 42910 transitions. Second operand 34 states. [2018-04-12 22:05:49,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:05:49,203 INFO L93 Difference]: Finished difference Result 35920 states and 46103 transitions. [2018-04-12 22:05:49,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 22:05:49,203 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 116 [2018-04-12 22:05:49,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:05:49,226 INFO L225 Difference]: With dead ends: 35920 [2018-04-12 22:05:49,226 INFO L226 Difference]: Without dead ends: 35920 [2018-04-12 22:05:49,227 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1439 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=956, Invalid=5206, Unknown=0, NotChecked=0, Total=6162 [2018-04-12 22:05:49,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35920 states. [2018-04-12 22:05:49,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35920 to 33165. [2018-04-12 22:05:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33165 states. [2018-04-12 22:05:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33165 states to 33165 states and 42873 transitions. [2018-04-12 22:05:49,571 INFO L78 Accepts]: Start accepts. Automaton has 33165 states and 42873 transitions. Word has length 116 [2018-04-12 22:05:49,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:05:49,571 INFO L459 AbstractCegarLoop]: Abstraction has 33165 states and 42873 transitions. [2018-04-12 22:05:49,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-12 22:05:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 33165 states and 42873 transitions. [2018-04-12 22:05:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-04-12 22:05:49,573 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:05:49,574 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:05:49,574 INFO L408 AbstractCegarLoop]: === Iteration 169 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:05:49,574 INFO L82 PathProgramCache]: Analyzing trace with hash 554659147, now seen corresponding path program 7 times [2018-04-12 22:05:49,574 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:05:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:05:49,591 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 25 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:51,308 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:51,308 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-12 22:05:51,308 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:51,309 INFO L182 omatonBuilderFactory]: Interpolants [8933960#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8933961#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (or (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 8933962#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (or (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1)), 8933963#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (not (= (+ main_~root~0.offset 4) main_~n~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (or (and (= main_~n~0.base main_~root~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))))), 8933964#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))), 8933965#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (= (select |#memory_$Pointer$.offset| main_~n~0.base) (select |#memory_$Pointer$.offset| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)), 8933966#(and (= |main_#t~mem3.offset| 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (= (select |#memory_$Pointer$.offset| main_~n~0.base) (select |#memory_$Pointer$.offset| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))), 8933967#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset main_~n~0.offset) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select |#memory_$Pointer$.offset| main_~n~0.base) (select |#memory_$Pointer$.offset| main_~root~0.base)) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (not |main_#t~short4|)) (= (select |#valid| main_~root~0.base) 1)), 8933952#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (or (not (= main_~root~0.offset main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8933953#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base |main_#t~mem18.base|)) (or (not (= main_~root~0.offset main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= |main_#t~mem18.offset| 0) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8933954#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (not (= main_~root~0.offset main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8933955#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) 0)) (= 1 (select |#valid| |main_#t~mem19.base|)))) (= |main_#t~mem19.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~mem19.base|)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8933956#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))))), 8933957#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~n~0.base) 1) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 1) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))) (and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))))) (= main_~n~0.offset main_~root~0.offset)), 8933958#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc11.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 8933959#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4))) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~root~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset)), 8933976#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 8933977#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0))), 8933978#(and (= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) 0))), 8933979#(and (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 8933980#(and (= main_~n~0.offset 0) (= |main_#t~mem2.offset| 0) (= (select |#length| main_~n~0.base) 8) (= 0 |main_#t~mem2.base|)), 8933981#(and (= main_~n~0.offset 0) (not |main_#t~short4|) (= (select |#length| main_~n~0.base) 8)), 8933968#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~root~0.offset main_~n~0.offset) (= (select |#memory_$Pointer$.offset| main_~n~0.base) (select |#memory_$Pointer$.offset| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= (select |#memory_$Pointer$.base| main_~n~0.base) (select |#memory_$Pointer$.base| main_~root~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 8933969#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~root~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= (select |#valid| |main_#t~mem6.base|) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem6.base|))), 8933970#(and (not (= main_~n~0.base main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= (select |#valid| main_~n~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) 0)), 8933971#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~malloc17.base|)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 8933972#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 8933973#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))))), 8933974#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 8933975#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) 0))), 8933944#false, 8933945#(= 0 |main_#t~malloc0.offset|), 8933946#(= main_~root~0.offset 0), 8933947#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8933948#(and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 8933949#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))), 8933950#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (= main_~root~0.base main_~n~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset))), 8933951#(and (or (= main_~root~0.offset main_~n~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~root~0.offset 4)))) (or (not (= main_~root~0.offset main_~n~0.offset)) (and (= 1 (select |#valid| |main_#t~malloc17.base|)) (= 8 (select |#length| |main_#t~malloc17.base|)))) (= main_~root~0.base main_~n~0.base) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset main_~n~0.offset)) (= 0 |main_#t~malloc17.offset|)), 8933943#true] [2018-04-12 22:05:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 25 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:51,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 22:05:51,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 22:05:51,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1347, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 22:05:51,309 INFO L87 Difference]: Start difference. First operand 33165 states and 42873 transitions. Second operand 39 states. [2018-04-12 22:05:53,465 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 123 DAG size of output 75 [2018-04-12 22:05:57,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:05:57,457 INFO L93 Difference]: Finished difference Result 34259 states and 44116 transitions. [2018-04-12 22:05:57,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-12 22:05:57,457 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 116 [2018-04-12 22:05:57,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:05:57,480 INFO L225 Difference]: With dead ends: 34259 [2018-04-12 22:05:57,481 INFO L226 Difference]: Without dead ends: 34259 [2018-04-12 22:05:57,481 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2045 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1226, Invalid=7330, Unknown=0, NotChecked=0, Total=8556 [2018-04-12 22:05:57,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34259 states. [2018-04-12 22:05:57,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34259 to 32434. [2018-04-12 22:05:57,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32434 states. [2018-04-12 22:05:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32434 states to 32434 states and 41941 transitions. [2018-04-12 22:05:57,724 INFO L78 Accepts]: Start accepts. Automaton has 32434 states and 41941 transitions. Word has length 116 [2018-04-12 22:05:57,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:05:57,724 INFO L459 AbstractCegarLoop]: Abstraction has 32434 states and 41941 transitions. [2018-04-12 22:05:57,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 22:05:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 32434 states and 41941 transitions. [2018-04-12 22:05:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-04-12 22:05:57,726 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:05:57,726 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:05:57,726 INFO L408 AbstractCegarLoop]: === Iteration 170 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:05:57,726 INFO L82 PathProgramCache]: Analyzing trace with hash -510586378, now seen corresponding path program 5 times [2018-04-12 22:05:57,726 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:05:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:05:57,778 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:05:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 35 proven. 110 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 22:05:59,628 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:05:59,628 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-04-12 22:05:59,628 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:05:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:05:59,628 INFO L182 omatonBuilderFactory]: Interpolants [9000783#true, 9000793#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) main_~root~0.offset) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0)), 9000792#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) main_~root~0.offset) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0)), 9000795#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (= 0 |main_#t~malloc17.offset|)), 9000794#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0)), 9000797#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9000796#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)) main_~root~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9000799#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0)), 9000798#(and (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) main_~root~0.offset)), 9000785#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 9000784#false, 9000787#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 9000786#(and (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 9000789#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) main_~root~0.offset) (= main_~root~0.offset 0)), 9000788#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) main_~root~0.offset)), 9000791#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 1 (select |#valid| main_~n~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) main_~root~0.offset) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0)), 9000790#(and (= main_~n~0.base main_~root~0.base) (= main_~n~0.offset 0) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4)) main_~root~0.offset) (= main_~root~0.offset 0)), 9000809#(and (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~root~0.offset 0) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (not (= |main_#t~mem12.base| main_~root~0.base))))), 9000808#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1))) (= main_~root~0.offset 0)), 9000811#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1))) (= main_~root~0.offset 0)), 9000810#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1))) (= main_~root~0.offset 0)), 9000813#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 9000812#(and (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1))) (= main_~root~0.offset 0)), 9000815#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9000814#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= 0 |main_#t~malloc17.offset|)), 9000801#(and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 9000800#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset main_~n~0.offset) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not |main_#t~short4|)) (= main_~root~0.offset 0)), 9000803#(and (or (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= 8 (select |#length| main_~n~0.base))) (and (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (or (and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (< main_~n~0.offset main_~root~0.offset)))) (= main_~root~0.offset 0)), 9000802#(and (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)))) (= 0 |main_#t~mem7.offset|) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.base|)), 9000805#(and (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) |main_#t~short4|)), 9000804#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)) (and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)))) (= 8 (select |#length| main_~n~0.base)))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 9000807#(and (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0)), 9000806#(and (or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1)) (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0)), 9000825#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 9000824#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))), 9000827#(not |main_#t~short4|), 9000826#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 9000817#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9000816#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= |main_#t~mem18.offset| 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0)), 9000819#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))))), 9000818#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem19.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4)))) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (not (= (+ |main_#t~mem19.offset| 4) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))))), 9000821#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4)))) (= 0 |main_#t~mem7.offset|)), 9000820#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))))), 9000823#(and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))), 9000822#(or (and (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))) (<= (+ main_~n~0.offset 1) 0))] [2018-04-12 22:05:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 35 proven. 110 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 22:05:59,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-12 22:05:59,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-12 22:05:59,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1804, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 22:05:59,629 INFO L87 Difference]: Start difference. First operand 32434 states and 41941 transitions. Second operand 45 states. [2018-04-12 22:06:02,132 WARN L151 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 81 DAG size of output 55 [2018-04-12 22:06:12,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:06:12,058 INFO L93 Difference]: Finished difference Result 44188 states and 55586 transitions. [2018-04-12 22:06:12,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-04-12 22:06:12,059 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 118 [2018-04-12 22:06:12,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:06:12,087 INFO L225 Difference]: With dead ends: 44188 [2018-04-12 22:06:12,087 INFO L226 Difference]: Without dead ends: 44188 [2018-04-12 22:06:12,088 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 3 SyntacticMatches, 10 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11434 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=4151, Invalid=31005, Unknown=0, NotChecked=0, Total=35156 [2018-04-12 22:06:12,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44188 states. [2018-04-12 22:06:12,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44188 to 33407. [2018-04-12 22:06:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33407 states. [2018-04-12 22:06:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33407 states to 33407 states and 43235 transitions. [2018-04-12 22:06:12,359 INFO L78 Accepts]: Start accepts. Automaton has 33407 states and 43235 transitions. Word has length 118 [2018-04-12 22:06:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:06:12,359 INFO L459 AbstractCegarLoop]: Abstraction has 33407 states and 43235 transitions. [2018-04-12 22:06:12,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-12 22:06:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 33407 states and 43235 transitions. [2018-04-12 22:06:12,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-04-12 22:06:12,360 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:06:12,360 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:06:12,361 INFO L408 AbstractCegarLoop]: === Iteration 171 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:06:12,361 INFO L82 PathProgramCache]: Analyzing trace with hash -467160144, now seen corresponding path program 8 times [2018-04-12 22:06:12,361 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:06:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:06:12,400 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:06:13,301 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 61 DAG size of output 49 [2018-04-12 22:06:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 35 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:13,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:06:13,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-12 22:06:13,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:06:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:13,907 INFO L182 omatonBuilderFactory]: Interpolants [9078730#(and (not (= main_~n~0.base |main_#t~mem13.base|)) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (or (and (= |main_#t~mem13.base| main_~root~0.base) (= |main_#t~mem13.offset| 0)) (and (not (= main_~n~0.base main_~root~0.base)) (not (= 0 (+ |main_#t~mem13.offset| 4))) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 0)) (= (select |#valid| main_~root~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 0)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= 0 (select |#valid| 0)) (= main_~root~0.offset 0)))), 9078731#(and (= (select |#valid| main_~n~0.base) 1) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= 0 (select |#valid| 0)) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)))) (= main_~root~0.offset 0)))), 9078728#(and (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem12.base| main_~root~0.base)))) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 9078729#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))))), 9078734#(and (not (= 1 (select |#valid| 0))) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9078735#(and (not (= 1 (select |#valid| 0))) (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= |main_#t~mem18.base| main_~root~0.base)))) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9078732#(and (= (select |#valid| main_~n~0.base) 1) (= 0 (select |#valid| 0)) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)))) (= main_~root~0.offset 0)), 9078733#(and (not (= 1 (select |#valid| 0))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~root~0.base |main_#t~malloc17.base|))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= main_~root~0.base |main_#t~malloc17.base|)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)))) (= main_~root~0.offset 0)), 9078722#(or (and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not (= main_~n~0.offset 0))) (= 8 (select |#length| main_~n~0.base))) (and (= 0 (select |#valid| 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))), 9078723#(and (or (and (or (and (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (not (= 0 |main_#t~mem2.base|)) (and (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)))) (= 8 (select |#length| main_~n~0.base))) (and (= 0 (select |#valid| 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= 1 (select |#valid| main_~n~0.base))), 9078720#(and (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0))) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 9078721#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.offset|) (= 0 (select |#valid| 0)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) 0)))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base)) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)) |main_#t~mem7.base|)), 9078726#(and (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (= 0 (select |#valid| 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))) (= 8 (select |#length| |main_#t~malloc11.base|)))) (= (select |#valid| |main_#t~malloc11.base|) 1) (not (= main_~n~0.base |main_#t~malloc11.base|))), 9078727#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 1 (select |#valid| main_~n~0.base)) (or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))))), 9078724#(and (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (= 0 (select |#valid| 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) |main_#t~short4|) (= 1 (select |#valid| main_~n~0.base))), 9078725#(and (or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0)) (<= 0 main_~n~0.offset)) (and (= 0 (select |#valid| 0)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base main_~n~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (= 1 (select |#valid| main_~n~0.base))), 9078746#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|))), 9078747#(or (and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)) (not |main_#t~short4|)), 9078744#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))) (and (= 8 (select |#length| |main_#t~mem6.base|)) (not (= 0 |main_#t~mem6.offset|)))), 9078745#(or (and (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.offset 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 9078748#(and (not (= main_~n~0.offset 0)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset)), 9078738#(and (not (= 1 (select |#valid| 0))) (or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9078739#(and (not (= 1 (select |#valid| 0))) (or (= |main_#t~mem3.base| 0) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))))))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)) |main_#t~mem3.base|)), 9078736#(and (not (= 1 (select |#valid| 0))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) 0)) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4))))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (not (= |main_#t~mem19.base| main_~root~0.base)))) (= main_~root~0.offset 0)), 9078737#(and (not (= 1 (select |#valid| 0))) (= main_~root~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) (+ main_~root~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~root~0.base) (+ main_~root~0.offset 4)))))))), 9078742#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 0))) (and (not (= 1 (select |#valid| 0))) (= 0 main_~n~0.base))), 9078743#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))))), 9078740#(or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4)))))) (and (not (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9078741#(or (and (not (= 1 (select |#valid| 0))) (= 0 |main_#t~mem7.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset|)) 0)))), 9078714#(and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= main_~root~0.offset 0)), 9078715#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= 0 (select |#valid| 0)) (= main_~root~0.offset 0)), 9078712#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 9078713#(and (= 0 (select |#valid| 0)) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 9078718#(and (= (select |#valid| main_~n~0.base) 1) (= |main_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= |main_#t~mem2.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0)), 9078719#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0)) (not |main_#t~short4|)) (= main_~root~0.offset 0)), 9078716#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= 8 (select |#length| main_~root~0.base))), 9078717#(and (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.base main_~n~0.base) (= 0 (select |#valid| 0)) (= main_~root~0.offset main_~n~0.offset) (= main_~root~0.offset 0)), 9078710#false, 9078711#(= 0 (select |#valid| 0)), 9078709#true] [2018-04-12 22:06:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 35 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:13,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-12 22:06:13,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-12 22:06:13,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1411, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 22:06:13,908 INFO L87 Difference]: Start difference. First operand 33407 states and 43235 transitions. Second operand 40 states. [2018-04-12 22:06:15,966 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 91 DAG size of output 83 [2018-04-12 22:06:16,631 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 109 DAG size of output 93 [2018-04-12 22:06:16,845 WARN L151 SmtUtils]: Spent 164ms on a formula simplification. DAG size of input: 120 DAG size of output 104 [2018-04-12 22:06:17,071 WARN L151 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 127 DAG size of output 111 [2018-04-12 22:06:17,336 WARN L151 SmtUtils]: Spent 178ms on a formula simplification. DAG size of input: 140 DAG size of output 116 [2018-04-12 22:06:17,638 WARN L151 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 121 DAG size of output 107 [2018-04-12 22:06:17,899 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 101 DAG size of output 95 [2018-04-12 22:06:18,602 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 102 DAG size of output 86 [2018-04-12 22:06:20,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:06:20,860 INFO L93 Difference]: Finished difference Result 44111 states and 56986 transitions. [2018-04-12 22:06:20,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-04-12 22:06:20,861 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 118 [2018-04-12 22:06:20,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:06:20,890 INFO L225 Difference]: With dead ends: 44111 [2018-04-12 22:06:20,890 INFO L226 Difference]: Without dead ends: 44088 [2018-04-12 22:06:20,890 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2307 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1295, Invalid=7635, Unknown=0, NotChecked=0, Total=8930 [2018-04-12 22:06:20,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44088 states. [2018-04-12 22:06:21,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44088 to 36276. [2018-04-12 22:06:21,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36276 states. [2018-04-12 22:06:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36276 states to 36276 states and 47265 transitions. [2018-04-12 22:06:21,185 INFO L78 Accepts]: Start accepts. Automaton has 36276 states and 47265 transitions. Word has length 118 [2018-04-12 22:06:21,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:06:21,185 INFO L459 AbstractCegarLoop]: Abstraction has 36276 states and 47265 transitions. [2018-04-12 22:06:21,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-12 22:06:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 36276 states and 47265 transitions. [2018-04-12 22:06:21,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-04-12 22:06:21,187 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:06:21,187 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:06:21,187 INFO L408 AbstractCegarLoop]: === Iteration 172 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:06:21,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1390842902, now seen corresponding path program 9 times [2018-04-12 22:06:21,187 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:06:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:06:21,221 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:06:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 17 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:22,989 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:06:22,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-12 22:06:22,989 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:06:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:22,990 INFO L182 omatonBuilderFactory]: Interpolants [9159247#false, 9159246#true, 9159259#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base |main_#t~mem18.base|)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset))) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9159258#(and (or (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (and (= main_~n~0.base main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset))) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9159257#(and (or (and (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (and (= main_~n~0.base main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset))) (not (= main_~n~0.base |main_#t~malloc17.base|))), 9159256#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)))), 9159263#(or (and (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0)) (and (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 9159262#(or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)) (and (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 9159261#(or (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) main_~root~0.offset) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 9159260#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) main_~root~0.offset) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= |main_#t~mem19.base| main_~root~0.base))), 9159251#(and (not (= 0 main_~n~0.base)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 9159250#(and (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 9159249#(and (not (= 0 main_~root~0.base)) (= main_~root~0.offset 0)), 9159248#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 9159255#(and (or (not (= main_~n~0.base |main_#t~mem13.base|)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base) (<= main_~n~0.offset |main_#t~mem13.offset|) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (or (= main_~n~0.base |main_#t~mem13.base|) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)))), 9159254#(and (not (= 0 main_~n~0.base)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem12.base|)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 9159253#(and (not (= 0 main_~n~0.base)) (= main_~n~0.base main_~root~0.base) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 9159252#(and (not (= 0 main_~n~0.base)) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (= |main_#t~malloc11.offset| main_~root~0.offset) (= 8 (select |#length| |main_#t~malloc11.base|)) (= main_~n~0.offset main_~root~0.offset)), 9159275#(and (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (<= main_~n~0.offset 0) (= main_~root~0.offset 0) (not (= main_~root~0.base |main_#t~malloc17.base|)) (<= 0 main_~n~0.offset) (= 0 |main_#t~malloc17.offset|)), 9159274#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (<= (+ main_~n~0.offset 8) (select |#length| main_~n~0.base)) (= (select |#valid| main_~root~0.base) 1) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0)), 9159273#(and (or (not (= main_~n~0.offset 0)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1))) (= (select |#valid| main_~n~0.base) 1) (= (select |#length| main_~n~0.base) 8) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 9159272#(and (or (not (= main_~n~0.offset 0)) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0)), 9159279#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (+ main_~root~0.offset 4))) (= main_~root~0.offset 0)), 9159278#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (+ main_~root~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= |main_#t~mem19.offset| 0) (not (= |main_#t~mem19.base| main_~root~0.base)) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (= main_~root~0.offset 0)), 9159277#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (<= main_~n~0.offset 0) (not (= |main_#t~mem18.base| main_~root~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 9159276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (<= main_~n~0.offset 0) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9159267#(and (or (and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (or (not (= main_~n~0.offset 0)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)))) |main_#t~short4|) (= 1 (select |#valid| main_~n~0.base))), 9159266#(and (= 1 (select |#valid| main_~n~0.base)) (or (and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (or (not (= main_~n~0.offset 0)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)))) (not (= 0 |main_#t~mem2.base|)))), 9159265#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (= 8 (select |#length| main_~n~0.base)) (= main_~root~0.offset 0) (or (not (= main_~n~0.offset 0)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1))))), 9159264#(or (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))) (and (or (and (not (= main_~root~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.base|)) (not (= 0 |main_#t~mem6.offset|))) (= main_~root~0.offset 0) (= 8 (select |#length| |main_#t~mem6.base|)))), 9159271#(and (or (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1) (not (= |main_#t~mem12.base| main_~root~0.base))) (not (= main_~n~0.offset 0))) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0)), 9159270#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (or (not (= main_~n~0.offset 0)) (and (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~root~0.base) 1))) (= 1 (select |#valid| main_~n~0.base)) (= (select |#length| main_~n~0.base) 8) (<= 0 main_~n~0.offset) (= main_~root~0.offset 0)), 9159269#(and (or (and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)) (not (= main_~n~0.offset 0))) (= 8 (select |#length| main_~n~0.base)) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset)), 9159268#(and (= 8 (select |#length| main_~n~0.base)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (<= 0 main_~n~0.offset) (or (not (= main_~n~0.offset 0)) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)))), 9159288#(not |main_#t~short4|), 9159283#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4)))), 9159282#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))) (+ 0 4))))), 9159281#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem6.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) (+ 0 4)))), 9159280#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (+ 0 4))) (+ 0 4)))), 9159287#(and (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.base| 0) (= main_~n~0.offset 0)), 9159286#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))), 9159285#(or (<= (+ main_~n~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9159284#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ 0 4))) (= 0 |main_#t~mem7.offset|) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ 0 4))))] [2018-04-12 22:06:22,990 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 17 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:22,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-12 22:06:22,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-12 22:06:22,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1656, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 22:06:22,990 INFO L87 Difference]: Start difference. First operand 36276 states and 47265 transitions. Second operand 43 states. [2018-04-12 22:06:31,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:06:31,530 INFO L93 Difference]: Finished difference Result 48348 states and 62107 transitions. [2018-04-12 22:06:31,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-04-12 22:06:31,531 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 118 [2018-04-12 22:06:31,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:06:31,564 INFO L225 Difference]: With dead ends: 48348 [2018-04-12 22:06:31,564 INFO L226 Difference]: Without dead ends: 48348 [2018-04-12 22:06:31,564 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5386 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=2236, Invalid=16670, Unknown=0, NotChecked=0, Total=18906 [2018-04-12 22:06:31,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48348 states. [2018-04-12 22:06:31,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48348 to 41043. [2018-04-12 22:06:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41043 states. [2018-04-12 22:06:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41043 states to 41043 states and 53517 transitions. [2018-04-12 22:06:31,894 INFO L78 Accepts]: Start accepts. Automaton has 41043 states and 53517 transitions. Word has length 118 [2018-04-12 22:06:31,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:06:31,895 INFO L459 AbstractCegarLoop]: Abstraction has 41043 states and 53517 transitions. [2018-04-12 22:06:31,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-12 22:06:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 41043 states and 53517 transitions. [2018-04-12 22:06:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-04-12 22:06:31,896 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:06:31,896 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:06:31,896 INFO L408 AbstractCegarLoop]: === Iteration 173 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:06:31,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1347416668, now seen corresponding path program 10 times [2018-04-12 22:06:31,897 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:06:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:06:31,917 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:06:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 26 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:33,085 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:06:33,085 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-12 22:06:33,085 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:06:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:33,086 INFO L182 omatonBuilderFactory]: Interpolants [9248909#(and (= |main_#t~mem2.offset| 0) (= 0 |main_#t~mem2.base|)), 9248908#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 9248910#(not |main_#t~short4|), 9248905#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)))), 9248904#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))))), 9248907#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|))), 9248906#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)))), 9248901#(and (not (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base |main_#t~mem18.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem18.base| main_~root~0.base)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9248900#(and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9248903#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))), 9248902#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= |main_#t~mem19.base| main_~root~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))) (not (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset))))), 9248897#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= |main_#t~mem13.offset| 0) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (not (= |main_#t~mem13.base| main_~root~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (not (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) (+ |main_#t~mem13.offset| 4))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base |main_#t~mem13.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)), 9248896#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1)), 9248899#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (not (= main_~n~0.base |main_#t~malloc17.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) |main_#t~malloc17.base|)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (not (= main_~root~0.base |main_#t~malloc17.base|))), 9248898#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)), 9248877#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= 0 main_~n~0.base)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 9248876#(and (not (= 0 main_~n~0.base)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| main_~root~0.offset) (= main_~n~0.offset main_~root~0.offset)), 9248879#(and (not (= 0 main_~n~0.base)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 9248878#(and (not (= 0 main_~n~0.base)) (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)), 9248873#(and (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base))), 9248872#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 9248875#(and (not (= 0 main_~n~0.base)) (= main_~n~0.base main_~root~0.base) (= 0 main_~root~0.offset) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset main_~root~0.offset)), 9248874#(and (= 0 main_~root~0.offset) (not (= 0 main_~root~0.base)) (= (select |#valid| main_~root~0.base) 1)), 9248871#false, 9248870#true, 9248893#(and (not (= main_~root~0.base |main_#t~malloc11.base|)) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| |main_#t~malloc11.base|) 1) (= 0 |main_#t~malloc11.offset|) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)), 9248892#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)), 9248895#(and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (= |main_#t~mem12.offset| 0) (not (= main_~n~0.base |main_#t~mem12.base|)) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1) (= |main_#t~mem12.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= |main_#t~mem12.base| main_~root~0.base)) (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 9248894#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= (select |#valid| main_~root~0.base) 1)), 9248889#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1))), 9248888#(or (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.offset|) (not (= main_~root~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~root~0.base) 1) (= (select |#valid| |main_#t~mem6.base|) 1) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) |main_#t~mem6.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem6.base|) |main_#t~mem6.offset|)))), 9248891#(or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)) |main_#t~short4|), 9248890#(or (and (not (= main_~n~0.base main_~root~0.base)) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~n~0.base) 1) (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= (select |#valid| main_~root~0.base) 1)) (not (= 0 |main_#t~mem2.base|))), 9248885#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) main_~root~0.offset) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))) (not (= |main_#t~mem19.base| main_~root~0.base))), 9248884#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9248887#(or (and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= main_~n~0.offset main_~root~0.offset)) (and (= main_~n~0.offset (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)))), 9248886#(or (and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) main_~root~0.offset) (= (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset) main_~root~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)))) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset)) 1) (= (select |#valid| main_~root~0.base) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~root~0.base) main_~root~0.offset))))), 9248881#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1)), 9248880#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (= (select |#valid| main_~n~0.base) 1) (or (not (= main_~n~0.base |main_#t~mem13.base|)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (<= main_~n~0.offset |main_#t~mem13.offset|) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset))) (= main_~n~0.offset main_~root~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))), 9248883#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)) (and (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select |#valid| main_~n~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset))) (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9248882#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset) main_~root~0.base) (= main_~n~0.offset main_~root~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) main_~root~0.offset)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset)) 1) (not (= main_~root~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset main_~root~0.offset))) (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base))] [2018-04-12 22:06:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 26 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:33,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 22:06:33,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 22:06:33,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1472, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 22:06:33,086 INFO L87 Difference]: Start difference. First operand 41043 states and 53517 transitions. Second operand 41 states. [2018-04-12 22:06:39,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 22:06:39,279 INFO L93 Difference]: Finished difference Result 47227 states and 61186 transitions. [2018-04-12 22:06:39,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-04-12 22:06:39,280 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 118 [2018-04-12 22:06:39,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 22:06:39,311 INFO L225 Difference]: With dead ends: 47227 [2018-04-12 22:06:39,311 INFO L226 Difference]: Without dead ends: 47227 [2018-04-12 22:06:39,312 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3650 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1706, Invalid=11634, Unknown=0, NotChecked=0, Total=13340 [2018-04-12 22:06:39,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47227 states. [2018-04-12 22:06:39,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47227 to 43569. [2018-04-12 22:06:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43569 states. [2018-04-12 22:06:39,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43569 states to 43569 states and 56791 transitions. [2018-04-12 22:06:39,632 INFO L78 Accepts]: Start accepts. Automaton has 43569 states and 56791 transitions. Word has length 118 [2018-04-12 22:06:39,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 22:06:39,632 INFO L459 AbstractCegarLoop]: Abstraction has 43569 states and 56791 transitions. [2018-04-12 22:06:39,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 22:06:39,632 INFO L276 IsEmpty]: Start isEmpty. Operand 43569 states and 56791 transitions. [2018-04-12 22:06:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-04-12 22:06:39,634 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 22:06:39,634 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 22:06:39,634 INFO L408 AbstractCegarLoop]: === Iteration 174 === [mainErr51RequiresViolation, mainErr55AssertViolationMEMORY_FREE, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr73AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr74EnsuresViolationMEMORY_LEAK, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr72AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-12 22:06:39,634 INFO L82 PathProgramCache]: Analyzing trace with hash 713700742, now seen corresponding path program 3 times [2018-04-12 22:06:39,635 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 22:06:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 22:06:39,645 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 22:06:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 20 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:40,436 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 22:06:40,436 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-12 22:06:40,436 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 22:06:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:40,436 INFO L182 omatonBuilderFactory]: Interpolants [9339870#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (not (= main_~n~0.base |main_#t~mem18.base|)) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 9339871#(and (not (= |main_#t~mem19.base| main_~root~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 9339868#(and (not (= main_~n~0.base |main_#t~malloc17.base|)) (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 9339869#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (= main_~root~0.offset 0) (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4)))) (= main_~n~0.offset main_~root~0.offset)), 9339866#(and (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 9339867#(and (= main_~n~0.base main_~root~0.base) (= (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset) 0) (or (not (= main_~n~0.base |main_#t~mem13.base|)) (<= main_~n~0.offset |main_#t~mem13.offset|)) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 9339864#(and (not (= main_~n~0.base (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.base main_~root~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 9339865#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~mem12.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset)) (= 1 (select |#valid| main_~n~0.base)) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 9339862#(and (= main_~n~0.base main_~root~0.base) (= (select |#valid| main_~n~0.base) 1) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 9339863#(and (= main_~n~0.base main_~root~0.base) (not (= main_~n~0.base |main_#t~malloc11.base|)) (= |main_#t~malloc11.offset| 0) (= main_~root~0.offset 0) (= main_~n~0.offset main_~root~0.offset)), 9339860#(= main_~root~0.offset 0), 9339861#(and (= (select |#valid| main_~root~0.base) 1) (= main_~root~0.offset 0)), 9339858#false, 9339859#(= |main_#t~malloc0.offset| 0), 9339857#true, 9339886#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 9339887#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 |main_~#sentinel~0.offset|)), 9339884#(and (= 0 main_~n~0.offset) (<= 8 (select |#length| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 9339885#(and (<= 8 (select |#length| main_~pred~0.base)) (= 0 main_~pred~0.offset) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 9339882#(and (<= 8 (select |#length| main_~pred~0.base)) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 9339883#(and (= 0 main_~n~0.offset) (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (<= 8 (select |#length| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|)), 9339880#(and (= |main_#t~mem21.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= |main_~#sentinel~0.offset| main_~n~0.offset) (<= 8 (select |#length| main_~n~0.base)) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= 0 |main_~#sentinel~0.offset|)), 9339881#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (<= 8 (select |#length| main_~n~0.base)) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 9339878#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ 0 4))) (= main_~n~0.offset 0) (= |main_~#sentinel~0.offset| main_~n~0.offset)), 9339879#(and (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~pred~0.base) (+ 0 4))) (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= 0 |main_~#sentinel~0.offset|)), 9339876#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| main_~succ~0.offset)), 9339877#(and (= |main_~#sentinel~0.offset| main_~pred~0.offset) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 9339874#(and (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 9339875#(and (= |main_~#sentinel~0.offset| |main_#t~mem20.offset|) (= |main_~#sentinel~0.offset| main_~n~0.offset) (= 0 |main_~#sentinel~0.offset|)), 9339872#(and (= (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset) 0) (= main_~root~0.offset 0)), 9339873#(and (= main_~root~0.offset 0) (= |main_~#sentinel~0.offset| (select (select |#memory_$Pointer$.offset| main_~root~0.base) main_~root~0.offset)) (= 0 |main_~#sentinel~0.offset|)), 9339894#(and (= 0 main_~succ~0.offset) (<= 8 (select |#length| main_~succ~0.base))), 9339895#(and (= main_~n~0.offset 0) (<= 8 (select |#length| main_~n~0.base))), 9339892#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 9339893#(and (= 0 |main_#t~mem20.offset|) (<= 8 (select |#length| |main_#t~mem20.base|))), 9339890#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) main_~n~0.offset))) (= main_~n~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) main_~n~0.offset))), 9339891#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~pred~0.base) main_~pred~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~pred~0.base) main_~pred~0.offset))), 9339888#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~n~0.base) (+ main_~n~0.offset 4))) (= main_~n~0.offset 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~n~0.base) (+ main_~n~0.offset 4))))), 9339889#(and (= 0 |main_#t~mem21.offset|) (= main_~n~0.offset 0) (<= 8 (select |#length| |main_#t~mem21.base|)))] [2018-04-12 22:06:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 20 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 22:06:40,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 22:06:40,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 22:06:40,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1359, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 22:06:40,437 INFO L87 Difference]: Start difference. First operand 43569 states and 56791 transitions. Second operand 39 states. Received shutdown request... [2018-04-12 22:06:42,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 22:06:42,794 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-12 22:06:42,797 WARN L197 ceAbstractionStarter]: Timeout [2018-04-12 22:06:42,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 10:06:42 BoogieIcfgContainer [2018-04-12 22:06:42,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 22:06:42,798 INFO L168 Benchmark]: Toolchain (without parser) took 737565.71 ms. Allocated memory was 402.1 MB in the beginning and 3.1 GB in the end (delta: 2.7 GB). Free memory was 338.7 MB in the beginning and 1.8 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. [2018-04-12 22:06:42,798 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 402.1 MB. Free memory is still 365.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 22:06:42,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.54 ms. Allocated memory is still 402.1 MB. Free memory was 338.7 MB in the beginning and 312.3 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-12 22:06:42,799 INFO L168 Benchmark]: Boogie Preprocessor took 41.62 ms. Allocated memory is still 402.1 MB. Free memory was 312.3 MB in the beginning and 309.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 22:06:42,799 INFO L168 Benchmark]: RCFGBuilder took 538.29 ms. Allocated memory was 402.1 MB in the beginning and 613.9 MB in the end (delta: 211.8 MB). Free memory was 309.6 MB in the beginning and 522.4 MB in the end (delta: -212.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. [2018-04-12 22:06:42,799 INFO L168 Benchmark]: TraceAbstraction took 736740.80 ms. Allocated memory was 613.9 MB in the beginning and 3.1 GB in the end (delta: 2.5 GB). Free memory was 522.4 MB in the beginning and 1.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. [2018-04-12 22:06:42,800 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 402.1 MB. Free memory is still 365.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.54 ms. Allocated memory is still 402.1 MB. Free memory was 338.7 MB in the beginning and 312.3 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.62 ms. Allocated memory is still 402.1 MB. Free memory was 312.3 MB in the beginning and 309.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 538.29 ms. Allocated memory was 402.1 MB in the beginning and 613.9 MB in the end (delta: 211.8 MB). Free memory was 309.6 MB in the beginning and 522.4 MB in the end (delta: -212.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 736740.80 ms. Allocated memory was 613.9 MB in the beginning and 3.1 GB in the end (delta: 2.5 GB). Free memory was 522.4 MB in the beginning and 1.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 674]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 674). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 676]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 676). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 686]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 686). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 646]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 685]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 685). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 657]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 630]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 630). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 670]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 670). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 631]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 631). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 679]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 679). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 680]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 680). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 641]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 671]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 671). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 640]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 686]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 686). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 683). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 686]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 686). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 658]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 676]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 676). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 680]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 680). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 645]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 645). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 667]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 667). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 658]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 689). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 674]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 674). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 656]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 640]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 656]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 680]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 680). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 679]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 679). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 657]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 683). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 671]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 671). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 657]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 645]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 645). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 631]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 631). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 675]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 675). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 686]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 686). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 667]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 667). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 620]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 620). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 646]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 630]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 630). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 680]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 680). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 685]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 685). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 675]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 675). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 670]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 670). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 641]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 689). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - TimeoutResultAtElement [Line: 657]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (43569states) and interpolant automaton (currently 48 states, 39 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 84 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 177 locations, 75 error locations. TIMEOUT Result, 736.7s OverallTime, 174 OverallIterations, 8 TraceHistogramMax, 570.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26209 SDtfs, 169855 SDslu, 327974 SDs, 0 SdLazy, 431225 SolverSat, 33993 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 172.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13026 GetRequests, 626 SyntacticMatches, 595 SemanticMatches, 11804 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342297 ImplicationChecksByTransitivity, 468.4s Time, 0.1s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145193occurred in iteration=143, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 2561/11903 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 38.8s AutomataMinimizationTime, 173 MinimizatonAttempts, 651294 StatesRemovedByMinimization, 170 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 120.1s InterpolantComputationTime, 14219 NumberOfCodeBlocks, 14219 NumberOfCodeBlocksAsserted, 174 NumberOfCheckSat, 14045 ConstructedInterpolants, 0 QuantifiedInterpolants, 39008856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 174 InterpolantComputations, 37 PerfectInterpolantSequences, 2561/11903 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_dsw_true-valid-memsafety_false-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_22-06-42-805.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_dsw_true-valid-memsafety_false-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_22-06-42-805.csv Completed graceful shutdown