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/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 23:50:42,691 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 23:50:42,692 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 23:50:42,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 23:50:42,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 23:50:42,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 23:50:42,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 23:50:42,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 23:50:42,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 23:50:42,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 23:50:42,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 23:50:42,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 23:50:42,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 23:50:42,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 23:50:42,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 23:50:42,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 23:50:42,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 23:50:42,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 23:50:42,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 23:50:42,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 23:50:42,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 23:50:42,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 23:50:42,723 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 23:50:42,724 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 23:50:42,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 23:50:42,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 23:50:42,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 23:50:42,726 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 23:50:42,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 23:50:42,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 23:50:42,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 23:50:42,727 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 23:50:42,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 23:50:42,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 23:50:42,738 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 23:50:42,738 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 23:50:42,738 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 23:50:42,738 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 23:50:42,738 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 23:50:42,739 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 23:50:42,739 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 23:50:42,739 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 23:50:42,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 23:50:42,739 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 23:50:42,739 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 23:50:42,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 23:50:42,740 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 23:50:42,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 23:50:42,740 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 23:50:42,740 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 23:50:42,740 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 23:50:42,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 23:50:42,740 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 23:50:42,740 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 23:50:42,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 23:50:42,778 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 23:50:42,780 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 23:50:42,781 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 23:50:42,781 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 23:50:42,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,087 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG397ee4997 [2018-04-12 23:50:43,249 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 23:50:43,250 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 23:50:43,250 INFO L168 CDTParser]: Scanning test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,256 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 23:50:43,257 INFO L215 ultiparseSymbolTable]: [2018-04-12 23:50:43,257 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 23:50:43,257 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data ('alloc_data') in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,257 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,257 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data ('free_data') in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,257 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 23:50:43,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_short in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__off_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__gid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____swblk_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____blkcnt64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ldiv_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsblkcnt64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ssize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____mode_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____timer_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fd_mask in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__nlink_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fsfilcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_short in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____ssize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__timer_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__mode_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____nlink_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____sig_atomic_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__key_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__div_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____clockid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__clockid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_spinlock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____suseconds_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fsblkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____sigset_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__caddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_mutexattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____pid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____ino_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____intptr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_barrier_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__blksize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_attr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_char in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____off64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__size_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_once_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_cond_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__TData in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____rlim_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__wchar_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____pthread_list_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__lldiv_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____socklen_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__uid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_long in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_char in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__blkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ulong in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint16_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__sigset_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_long in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____ino64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____gid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____blksize_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____caddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____WAIT_STATUS in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____off_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____id_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__clock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__suseconds_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fd_mask in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_int32_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fd_set in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__daddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____loff_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____dev_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____daddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____key_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____uint8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__time_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__fsid_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__dev_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____blkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____clock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__uint in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_condattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__id_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__loff_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____qaddr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____rlim64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsfilcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____time_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__int8_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_key_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__u_quad_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ushort in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____int64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_mutex_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__ino_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____u_int in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____useconds_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsfilcnt64_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_rwlock_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__pthread_barrierattr_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i__register_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_true_termination_i____fsblkcnt_t in test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,281 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG397ee4997 [2018-04-12 23:50:43,284 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 23:50:43,286 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 23:50:43,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 23:50:43,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 23:50:43,291 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 23:50:43,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 11:50:43" (1/1) ... [2018-04-12 23:50:43,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e948f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43, skipping insertion in model container [2018-04-12 23:50:43,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 11:50:43" (1/1) ... [2018-04-12 23:50:43,304 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 23:50:43,328 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 23:50:43,449 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 23:50:43,482 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 23:50:43,488 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 114 non ball SCCs. Number of states in SCCs 114. [2018-04-12 23:50:43,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43 WrapperNode [2018-04-12 23:50:43,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 23:50:43,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 23:50:43,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 23:50:43,531 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 23:50:43,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43" (1/1) ... [2018-04-12 23:50:43,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43" (1/1) ... [2018-04-12 23:50:43,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43" (1/1) ... [2018-04-12 23:50:43,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43" (1/1) ... [2018-04-12 23:50:43,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43" (1/1) ... [2018-04-12 23:50:43,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43" (1/1) ... [2018-04-12 23:50:43,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43" (1/1) ... [2018-04-12 23:50:43,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 23:50:43,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 23:50:43,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 23:50:43,571 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 23:50:43,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43" (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 23:50:43,665 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 23:50:43,665 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 23:50:43,666 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-04-12 23:50:43,666 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-04-12 23:50:43,666 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 23:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 23:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 23:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 23:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 23:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 23:50:43,666 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 23:50:43,667 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 23:50:43,668 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 23:50:43,669 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 23:50:43,669 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 23:50:43,669 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 23:50:43,669 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 23:50:43,669 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 23:50:43,669 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 23:50:43,669 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 23:50:43,669 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 23:50:43,669 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 23:50:43,670 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 23:50:43,671 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 23:50:43,672 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 23:50:43,673 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 23:50:43,674 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 23:50:43,675 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 23:50:43,950 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 23:50:43,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 11:50:43 BoogieIcfgContainer [2018-04-12 23:50:43,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 23:50:43,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 23:50:43,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 23:50:43,953 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 23:50:43,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 11:50:43" (1/3) ... [2018-04-12 23:50:43,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b314cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 11:50:43, skipping insertion in model container [2018-04-12 23:50:43,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:50:43" (2/3) ... [2018-04-12 23:50:43,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b314cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 11:50:43, skipping insertion in model container [2018-04-12 23:50:43,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 11:50:43" (3/3) ... [2018-04-12 23:50:43,955 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_1_true-valid-memsafety_true-termination.i [2018-04-12 23:50:43,960 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 23:50:43,966 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-04-12 23:50:43,990 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 23:50:43,991 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 23:50:43,991 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 23:50:43,991 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 23:50:43,991 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 23:50:43,991 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 23:50:43,991 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 23:50:43,991 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 23:50:43,991 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 23:50:43,992 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 23:50:44,000 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2018-04-12 23:50:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 23:50:44,007 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:44,008 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:50:44,008 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:44,011 INFO L82 PathProgramCache]: Analyzing trace with hash 372371681, now seen corresponding path program 1 times [2018-04-12 23:50:44,042 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:44,076 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:44,169 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 23:50:44,171 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:44,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 23:50:44,172 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:44,172 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 23:50:44,172 INFO L182 omatonBuilderFactory]: Interpolants [70#true, 71#false, 72#(= 1 (select |#valid| |main_~#data~0.base|)), 73#(= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 74#(= 1 (select |#valid| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base))] [2018-04-12 23:50:44,172 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 23:50:44,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 23:50:44,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 23:50:44,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 23:50:44,184 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 5 states. [2018-04-12 23:50:44,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:44,313 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-04-12 23:50:44,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 23:50:44,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-12 23:50:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:44,324 INFO L225 Difference]: With dead ends: 61 [2018-04-12 23:50:44,324 INFO L226 Difference]: Without dead ends: 58 [2018-04-12 23:50:44,325 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 23:50:44,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-12 23:50:44,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-04-12 23:50:44,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 23:50:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-04-12 23:50:44,351 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 10 [2018-04-12 23:50:44,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:44,352 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-04-12 23:50:44,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 23:50:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-04-12 23:50:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 23:50:44,352 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:44,352 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:50:44,352 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:44,352 INFO L82 PathProgramCache]: Analyzing trace with hash 372371682, now seen corresponding path program 1 times [2018-04-12 23:50:44,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:44,370 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:44,417 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 23:50:44,418 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:44,418 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 23:50:44,418 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:44,418 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 23:50:44,418 INFO L182 omatonBuilderFactory]: Interpolants [196#true, 197#false, 198#(and (= 0 |main_~#data~0.offset|) (= (select |#valid| |main_~#data~0.base|) 1) (= 8 (select |#length| |main_~#data~0.base|))), 199#(and (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 1) (= 8 (select |#length| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|))), 200#(and (= (select |#valid| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) 1) (= 8 (select |#length| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)), 201#(and (= 8 (select |#length| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0))] [2018-04-12 23:50:44,418 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 23:50:44,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 23:50:44,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 23:50:44,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 23:50:44,420 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 6 states. [2018-04-12 23:50:44,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:44,549 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-04-12 23:50:44,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 23:50:44,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-04-12 23:50:44,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:44,551 INFO L225 Difference]: With dead ends: 52 [2018-04-12 23:50:44,551 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 23:50:44,552 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-12 23:50:44,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 23:50:44,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 23:50:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 23:50:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-04-12 23:50:44,556 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 10 [2018-04-12 23:50:44,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:44,557 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-04-12 23:50:44,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 23:50:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-04-12 23:50:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 23:50:44,557 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:44,557 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:50:44,557 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:44,557 INFO L82 PathProgramCache]: Analyzing trace with hash -669305883, now seen corresponding path program 1 times [2018-04-12 23:50:44,558 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:44,568 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:44,613 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 23:50:44,614 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:44,614 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 23:50:44,614 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:44,614 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 23:50:44,615 INFO L182 omatonBuilderFactory]: Interpolants [308#true, 309#false, 310#(= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|)), 311#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))), 312#(= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem2.base|))] [2018-04-12 23:50:44,615 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 23:50:44,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 23:50:44,615 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 23:50:44,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 23:50:44,616 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 5 states. [2018-04-12 23:50:44,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:44,685 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-04-12 23:50:44,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 23:50:44,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 23:50:44,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:44,686 INFO L225 Difference]: With dead ends: 51 [2018-04-12 23:50:44,686 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 23:50:44,687 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 23:50:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 23:50:44,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 23:50:44,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 23:50:44,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-04-12 23:50:44,689 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 14 [2018-04-12 23:50:44,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:44,690 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-04-12 23:50:44,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 23:50:44,690 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-04-12 23:50:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 23:50:44,690 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:44,690 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:50:44,690 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:44,690 INFO L82 PathProgramCache]: Analyzing trace with hash -669305882, now seen corresponding path program 1 times [2018-04-12 23:50:44,691 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:44,702 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:44,743 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 23:50:44,743 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:44,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 23:50:44,744 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:44,744 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 23:50:44,744 INFO L182 omatonBuilderFactory]: Interpolants [419#true, 420#false, 421#(and (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.offset|) (= 4 (select |#length| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|))), 422#(and (= 0 (select (select |#memory_$Pointer$.offset| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) (= 4 (select |#length| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)))), 423#(and (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem2.offset| 0) (= 4 (select |#length| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem2.base|)))] [2018-04-12 23:50:44,744 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 23:50:44,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 23:50:44,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 23:50:44,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 23:50:44,745 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 5 states. [2018-04-12 23:50:44,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:44,793 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-04-12 23:50:44,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 23:50:44,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 23:50:44,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:44,794 INFO L225 Difference]: With dead ends: 50 [2018-04-12 23:50:44,794 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 23:50:44,795 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 23:50:44,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 23:50:44,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 23:50:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 23:50:44,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-04-12 23:50:44,799 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 14 [2018-04-12 23:50:44,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:44,799 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-04-12 23:50:44,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 23:50:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-04-12 23:50:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-12 23:50:44,799 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:44,799 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:50:44,799 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:44,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2053365435, now seen corresponding path program 1 times [2018-04-12 23:50:44,800 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:44,807 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:44,837 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 23:50:44,837 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:44,837 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 23:50:44,837 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:44,837 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 23:50:44,837 INFO L182 omatonBuilderFactory]: Interpolants [528#true, 529#false, 530#(= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)), 531#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4)))), 532#(= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem3.base|))] [2018-04-12 23:50:44,837 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 23:50:44,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 23:50:44,838 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 23:50:44,838 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 23:50:44,838 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 5 states. [2018-04-12 23:50:44,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:44,907 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-04-12 23:50:44,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 23:50:44,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-04-12 23:50:44,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:44,908 INFO L225 Difference]: With dead ends: 49 [2018-04-12 23:50:44,908 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 23:50:44,908 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 23:50:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 23:50:44,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 23:50:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 23:50:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-04-12 23:50:44,911 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 17 [2018-04-12 23:50:44,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:44,911 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-04-12 23:50:44,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 23:50:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-04-12 23:50:44,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-12 23:50:44,911 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:44,911 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:50:44,911 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:44,911 INFO L82 PathProgramCache]: Analyzing trace with hash -2053365434, now seen corresponding path program 1 times [2018-04-12 23:50:44,912 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:44,920 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:44,948 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 23:50:44,948 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:44,949 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 23:50:44,949 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:44,949 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 23:50:44,949 INFO L182 omatonBuilderFactory]: Interpolants [635#true, 636#false, 637#(and (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.offset|) (= 4 (select |#length| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|))), 638#(and (= 4 (select |#length| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4)))), 639#(and (= 4 (select |#length| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem3.base|)) (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem3.offset| 0))] [2018-04-12 23:50:44,949 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 23:50:44,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 23:50:44,950 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 23:50:44,950 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 23:50:44,950 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 5 states. [2018-04-12 23:50:44,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:44,992 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-04-12 23:50:44,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 23:50:44,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-04-12 23:50:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:44,993 INFO L225 Difference]: With dead ends: 48 [2018-04-12 23:50:44,993 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 23:50:44,993 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 23:50:44,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 23:50:44,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 23:50:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 23:50:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-04-12 23:50:44,996 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 17 [2018-04-12 23:50:44,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:44,996 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-04-12 23:50:44,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 23:50:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-04-12 23:50:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 23:50:44,997 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:44,997 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 23:50:44,997 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:44,997 INFO L82 PathProgramCache]: Analyzing trace with hash -121749147, now seen corresponding path program 1 times [2018-04-12 23:50:44,998 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:45,011 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:45,090 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 23:50:45,090 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:45,090 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-12 23:50:45,090 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:45,090 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 23:50:45,091 INFO L182 omatonBuilderFactory]: Interpolants [740#true, 741#false, 742#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 743#(and (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem2.base| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 744#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)))), 745#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 746#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|))), 747#(= 1 (select |#valid| |main_#t~mem6.base|)), 748#(= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)), 749#(= 1 (select |#valid| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base))] [2018-04-12 23:50:45,091 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 23:50:45,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 23:50:45,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 23:50:45,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-12 23:50:45,091 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 10 states. [2018-04-12 23:50:45,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:45,187 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-04-12 23:50:45,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 23:50:45,187 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-04-12 23:50:45,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:45,188 INFO L225 Difference]: With dead ends: 49 [2018-04-12 23:50:45,188 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 23:50:45,188 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-04-12 23:50:45,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 23:50:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2018-04-12 23:50:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-12 23:50:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-04-12 23:50:45,191 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 25 [2018-04-12 23:50:45,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:45,191 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-04-12 23:50:45,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 23:50:45,191 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-04-12 23:50:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 23:50:45,191 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:45,191 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 23:50:45,192 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:45,192 INFO L82 PathProgramCache]: Analyzing trace with hash -121749146, now seen corresponding path program 1 times [2018-04-12 23:50:45,192 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:45,202 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:45,365 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 23:50:45,365 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:45,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-12 23:50:45,365 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:45,366 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 23:50:45,366 INFO L182 omatonBuilderFactory]: Interpolants [851#true, 852#false, 853#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 854#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.offset|)), 855#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 0 (select (select |#memory_$Pointer$.offset| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))), 856#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 0 (select (select |#memory_$Pointer$.offset| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem2.base| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 857#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 0 (select (select |#memory_$Pointer$.offset| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))), 858#(and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 859#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|)))), 860#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|))) (= 0 |main_#t~mem6.offset|)), 861#(and (<= 4 (select |#length| |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|)), 862#(and (<= 4 (select |#length| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.offset|)), 863#(and (<= 4 (select |#length| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.offset 0))] [2018-04-12 23:50:45,366 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 23:50:45,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 23:50:45,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 23:50:45,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-04-12 23:50:45,366 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 13 states. [2018-04-12 23:50:45,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:45,591 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-04-12 23:50:45,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 23:50:45,592 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-04-12 23:50:45,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:45,592 INFO L225 Difference]: With dead ends: 44 [2018-04-12 23:50:45,592 INFO L226 Difference]: Without dead ends: 44 [2018-04-12 23:50:45,593 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2018-04-12 23:50:45,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-12 23:50:45,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-04-12 23:50:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-12 23:50:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-04-12 23:50:45,595 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 25 [2018-04-12 23:50:45,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:45,595 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-04-12 23:50:45,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 23:50:45,596 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-04-12 23:50:45,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 23:50:45,596 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:45,596 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] [2018-04-12 23:50:45,597 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:45,597 INFO L82 PathProgramCache]: Analyzing trace with hash 520743713, now seen corresponding path program 1 times [2018-04-12 23:50:45,598 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:45,613 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:45,721 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 23:50:45,721 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:45,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 23:50:45,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:45,722 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 23:50:45,722 INFO L182 omatonBuilderFactory]: Interpolants [964#true, 965#false, 966#(= |main_~#data~0.offset| 0), 967#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (or (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0))), 968#(and (= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (or (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0))), 969#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4)))) (not (= 0 __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))) (or (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= 0 __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))), 970#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4))) (not (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 971#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4))) (= |main_~#data~0.offset| 0)), 972#(= 1 (select |#valid| |main_#t~mem7.base|)), 973#(= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|)), 974#(= 1 (select |#valid| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base))] [2018-04-12 23:50:45,722 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 23:50:45,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 23:50:45,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 23:50:45,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 23:50:45,723 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 11 states. [2018-04-12 23:50:45,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:45,839 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-04-12 23:50:45,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 23:50:45,839 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-04-12 23:50:45,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:45,840 INFO L225 Difference]: With dead ends: 46 [2018-04-12 23:50:45,840 INFO L226 Difference]: Without dead ends: 46 [2018-04-12 23:50:45,840 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-04-12 23:50:45,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-12 23:50:45,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-04-12 23:50:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 23:50:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-04-12 23:50:45,842 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 26 [2018-04-12 23:50:45,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:45,842 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-04-12 23:50:45,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 23:50:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-04-12 23:50:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 23:50:45,842 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:45,842 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] [2018-04-12 23:50:45,843 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:45,843 INFO L82 PathProgramCache]: Analyzing trace with hash 520743714, now seen corresponding path program 1 times [2018-04-12 23:50:45,843 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:45,857 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:46,035 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 23:50:46,036 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:46,036 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 23:50:46,036 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:46,036 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 23:50:46,036 INFO L182 omatonBuilderFactory]: Interpolants [1072#true, 1073#false, 1074#(= |main_~#data~0.offset| 0), 1075#(and (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)) (or (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0))), 1076#(and (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.offset|) (= 4 (select |#length| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)))) (or (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0))), 1077#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4))) (= 4 (select |#length| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4))))) (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0))) (or (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0))), 1078#(or (not (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4)) (= 4 (select |#length| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4))))), 1079#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 4)) (= 4 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4))) (= |main_~#data~0.offset| 0)), 1080#(and (= 4 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 1081#(and (= 4 (select |#length| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|)) (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.offset|)), 1082#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.offset 0) (= 4 (select |#length| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base)))] [2018-04-12 23:50:46,037 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 23:50:46,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 23:50:46,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 23:50:46,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 23:50:46,037 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 11 states. [2018-04-12 23:50:46,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:46,176 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-04-12 23:50:46,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 23:50:46,177 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-04-12 23:50:46,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:46,177 INFO L225 Difference]: With dead ends: 41 [2018-04-12 23:50:46,177 INFO L226 Difference]: Without dead ends: 41 [2018-04-12 23:50:46,177 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-04-12 23:50:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-12 23:50:46,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-12 23:50:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 23:50:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-04-12 23:50:46,179 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 26 [2018-04-12 23:50:46,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:46,179 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-04-12 23:50:46,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 23:50:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-04-12 23:50:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 23:50:46,180 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:46,180 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 23:50:46,180 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:46,180 INFO L82 PathProgramCache]: Analyzing trace with hash -80397564, now seen corresponding path program 1 times [2018-04-12 23:50:46,181 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:46,195 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:46,374 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 23:50:46,374 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:46,374 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-04-12 23:50:46,374 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:46,374 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 23:50:46,374 INFO L182 omatonBuilderFactory]: Interpolants [1184#(not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base)), 1185#(and (= 1 (select |#valid| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base)) (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base))), 1186#(= 1 (select |#valid| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base)), 1171#true, 1172#false, 1173#(= |main_~#data~0.offset| 0), 1174#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|))), 1175#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|)) (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|))), 1176#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)))) (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)))), 1177#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|))))), 1178#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4))))))), 1179#(or (not (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|)) (not (= (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4)))), 1180#(and (= |main_~#data~0.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4)))), 1181#(and (= |main_~#data~0.offset| 0) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4)))), 1182#(not (= |main_#t~mem6.base| |main_#t~mem7.base|)), 1183#(not (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|))] [2018-04-12 23:50:46,374 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 23:50:46,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 23:50:46,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 23:50:46,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2018-04-12 23:50:46,375 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 16 states. [2018-04-12 23:50:46,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:46,569 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-04-12 23:50:46,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 23:50:46,569 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2018-04-12 23:50:46,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:46,571 INFO L225 Difference]: With dead ends: 42 [2018-04-12 23:50:46,571 INFO L226 Difference]: Without dead ends: 42 [2018-04-12 23:50:46,572 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2018-04-12 23:50:46,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-12 23:50:46,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-04-12 23:50:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-12 23:50:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-04-12 23:50:46,573 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 32 [2018-04-12 23:50:46,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:46,573 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-04-12 23:50:46,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 23:50:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-04-12 23:50:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 23:50:46,574 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:46,574 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, 1] [2018-04-12 23:50:46,574 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:46,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1223963579, now seen corresponding path program 1 times [2018-04-12 23:50:46,575 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:46,591 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:47,064 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 23:50:47,064 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:47,064 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-04-12 23:50:47,064 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:47,064 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 23:50:47,064 INFO L182 omatonBuilderFactory]: Interpolants [1283#true, 1284#false, 1285#(= |main_~#data~0.offset| 0), 1286#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 1287#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= 1 (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 1288#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)))), 1289#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.offset|) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|))), 1290#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4))) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4))))) (not (= 0 __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)))), 1291#(and (or (not (= 0 __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) (and (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem2.base| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem2.offset| (select (select |#memory_$Pointer$.offset| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4))) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4)))))) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|)), 1292#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (not (= 0 __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) (and (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset)) (select (select |#memory_$Pointer$.offset| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4))) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4))))))), 1293#(or (not (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|)) (and (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|)) (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4)) (not (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem3.base| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))) (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem3.base| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4)) (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4)))), 1294#(or (and (= 8 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4)) (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4))) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|)) (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4))) (not (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))), 1295#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 4)) (= 8 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4)) (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 4))) (= |main_~#data~0.offset| 0) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|)))), 1296#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 4)) (= 4 (select (select |#memory_int| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 8 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4)) (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 4))) (= |main_~#data~0.offset| 0)), 1297#(and (= 4 (select (select |#memory_int| |main_#t~mem6.base|) |main_#t~mem6.offset|)) (= 8 (select (select |#memory_int| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 |main_#t~mem7.offset|)), 1298#(and (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.offset| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.offset) (or (and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.offset 0)))), 1299#(and (or (and (or (= (select (select |#memory_int| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.offset|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#t~mem4|) (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#t~mem4| 4)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|)) (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.offset 0))) (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.offset| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.offset)), 1300#(or (and (or (= (select (select |#memory_int| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.offset|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#t~mem4|) (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#t~mem4| 4) (not (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#t~mem5| 8))) (or (= (select (select |#memory_int| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.offset|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#t~mem5|) (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#t~mem5| 8))) (not (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.offset| 0))), 1301#(or (not (= (select (select |#memory_int| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.offset|) 8)) (not (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.offset| 0)) (not (= (select (select |#memory_int| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.offset|) 4)))] [2018-04-12 23:50:47,065 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 23:50:47,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 23:50:47,065 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 23:50:47,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2018-04-12 23:50:47,066 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 19 states. [2018-04-12 23:50:47,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:47,629 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-04-12 23:50:47,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 23:50:47,629 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 33 [2018-04-12 23:50:47,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:47,629 INFO L225 Difference]: With dead ends: 42 [2018-04-12 23:50:47,629 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 23:50:47,630 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=167, Invalid=889, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 23:50:47,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 23:50:47,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-12 23:50:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-12 23:50:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-04-12 23:50:47,631 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 33 [2018-04-12 23:50:47,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:47,631 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-04-12 23:50:47,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 23:50:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-04-12 23:50:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-12 23:50:47,632 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 23:50:47,632 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 23:50:47,632 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_dataErr5RequiresViolation]=== [2018-04-12 23:50:47,632 INFO L82 PathProgramCache]: Analyzing trace with hash 630436865, now seen corresponding path program 1 times [2018-04-12 23:50:47,632 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 23:50:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 23:50:47,643 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 23:50:48,155 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 23:50:48,155 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 23:50:48,155 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-04-12 23:50:48,155 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 23:50:48,156 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 23:50:48,156 INFO L182 omatonBuilderFactory]: Interpolants [1412#true, 1413#false, 1414#(= |#valid| |old(#valid)|), 1415#(and (= |main_~#data~0.offset| 0) (= |old(#valid)| (store |#valid| |main_~#data~0.base| 0)) (= (select |#valid| |main_~#data~0.base|) 1)), 1416#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= |#valid| |old(#valid)|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 1417#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (and (= (store |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base| (select |old(#valid)| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|)) |old(#valid)|) (not (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base| 0)))) (= (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|) 1) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (= 0 (select |old(#valid)| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc0.base|))), 1418#(and (= (select |#valid| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) 1) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))) (or (= |#valid| |old(#valid)|) (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) (@diff |#valid| |old(#valid)|))) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) 0)) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (or (= |#valid| |old(#valid)|) (= (select |#valid| (@diff |#valid| |old(#valid)|)) 1))))), 1419#(and (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))) (= (store (store |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base| (select |old(#valid)| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)) (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) (select |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))) |old(#valid)|) (= 0 (select |old(#valid)| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#t~malloc1.base|)) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) 0)))) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|)), 1420#(and (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 0)) (and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4)) (select |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4)))) (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) (select |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset))) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset) 0)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4)))) (not (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base| (select (select |#memory_$Pointer$.base| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.base) (+ __U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_~pdata.offset 4))))))), 1421#(or (not (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|)) (and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4) (select |old(#valid)| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4))) (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) (select |old(#valid)| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))) |old(#valid)|) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4))) (not (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base| (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.base|) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__alloc_data_#in~pdata.offset|) 0)))), 1422#(and (not (= |main_~#data~0.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4))) (or (= (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) 0) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4) 0) |main_~#data~0.base| 0) |old(#valid)|)) (= |main_~#data~0.offset| 0) (not (= |main_~#data~0.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) 0))), 1423#(and (not (= |main_~#data~0.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4))) (= |main_~#data~0.offset| 0) (not (= |main_#t~mem6.base| 0)) (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4)) (= (store (store (store |#valid| |main_#t~mem6.base| 0) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 4) 0) |main_~#data~0.base| 0) |old(#valid)|)) (not (= |main_~#data~0.base| |main_#t~mem6.base|))), 1424#(and (or (= (store (store (store |#valid| |main_#t~mem6.base| 0) |main_#t~mem7.base| 0) |main_~#data~0.base| 0) |old(#valid)|) (= |main_#t~mem6.base| |main_#t~mem7.base|)) (not (= |main_#t~mem6.base| 0)) (not (= |main_~#data~0.base| |main_#t~mem7.base|)) (not (= |main_~#data~0.base| |main_#t~mem6.base|))), 1425#(and (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (or (and (= |#valid| |old(#valid)|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base))), 1426#(and (or (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base)) (and (= (select |#valid| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base) 1) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|))) (or (and (= |#valid| |old(#valid)|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~lo~0.base))), 1427#(or (and (= (store |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| (select |old(#valid)| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) |old(#valid)|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|) (= (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|) 0)) (and (not (= 1 (select |#valid| __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base))) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|))), 1428#(or (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|) (and (= (store |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| (select |old(#valid)| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) |old(#valid)|) (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|) (= (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|) 0) (not (= __U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_~hi~0.base |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)))), 1429#(or (= 0 |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|) (and (= (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|) 0) (= (store (store |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| (select |old(#valid)| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base|)) |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| (select |old(#valid)| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) |old(#valid)|) (not (= |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|)) (= (select |#valid| |__U_MULTI_ftest________true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base|) 0))), 1430#(= |old(#valid)| (store |#valid| |main_~#data~0.base| 0))] [2018-04-12 23:50:48,156 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 23:50:48,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 23:50:48,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 23:50:48,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2018-04-12 23:50:48,157 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand 19 states. [2018-04-12 23:50:48,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 23:50:48,658 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2018-04-12 23:50:48,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 23:50:48,658 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 39 [2018-04-12 23:50:48,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 23:50:48,658 INFO L225 Difference]: With dead ends: 39 [2018-04-12 23:50:48,658 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 23:50:48,659 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2018-04-12 23:50:48,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 23:50:48,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 23:50:48,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 23:50:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 23:50:48,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-04-12 23:50:48,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 23:50:48,660 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 23:50:48,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 23:50:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 23:50:48,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 23:50:48,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 11:50:48 BoogieIcfgContainer [2018-04-12 23:50:48,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 23:50:48,665 INFO L168 Benchmark]: Toolchain (without parser) took 5380.61 ms. Allocated memory was 396.4 MB in the beginning and 726.7 MB in the end (delta: 330.3 MB). Free memory was 331.1 MB in the beginning and 418.6 MB in the end (delta: -87.5 MB). Peak memory consumption was 242.8 MB. Max. memory is 5.3 GB. [2018-04-12 23:50:48,667 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 396.4 MB. Free memory is still 356.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 23:50:48,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.51 ms. Allocated memory is still 396.4 MB. Free memory was 331.1 MB in the beginning and 306.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-12 23:50:48,667 INFO L168 Benchmark]: Boogie Preprocessor took 39.47 ms. Allocated memory is still 396.4 MB. Free memory was 306.0 MB in the beginning and 303.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 23:50:48,668 INFO L168 Benchmark]: RCFGBuilder took 379.52 ms. Allocated memory was 396.4 MB in the beginning and 599.3 MB in the end (delta: 202.9 MB). Free memory was 303.4 MB in the beginning and 533.1 MB in the end (delta: -229.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-04-12 23:50:48,668 INFO L168 Benchmark]: TraceAbstraction took 4713.99 ms. Allocated memory was 599.3 MB in the beginning and 726.7 MB in the end (delta: 127.4 MB). Free memory was 533.1 MB in the beginning and 418.6 MB in the end (delta: 114.5 MB). Peak memory consumption was 241.9 MB. Max. memory is 5.3 GB. [2018-04-12 23:50:48,671 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 396.4 MB. Free memory is still 356.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 244.51 ms. Allocated memory is still 396.4 MB. Free memory was 331.1 MB in the beginning and 306.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.47 ms. Allocated memory is still 396.4 MB. Free memory was 306.0 MB in the beginning and 303.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 379.52 ms. Allocated memory was 396.4 MB in the beginning and 599.3 MB in the end (delta: 202.9 MB). Free memory was 303.4 MB in the beginning and 533.1 MB in the end (delta: -229.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4713.99 ms. Allocated memory was 599.3 MB in the beginning and 726.7 MB in the end (delta: 127.4 MB). Free memory was 533.1 MB in the beginning and 418.6 MB in the end (delta: 114.5 MB). Peak memory consumption was 241.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 636]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 636]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 637]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 637]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 642]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 642]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 642]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 642]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 626]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 625]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 627]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 626]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 627]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 625]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 627]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 627]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 25 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 25 error locations. SAFE Result, 4.6s OverallTime, 13 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 408 SDtfs, 509 SDslu, 1306 SDs, 0 SdLazy, 1784 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 110982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_23-50-48-680.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_23-50-48-680.csv Received shutdown request...