java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 13:08:59,657 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 13:08:59,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 13:08:59,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 13:08:59,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 13:08:59,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 13:08:59,670 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 13:08:59,672 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 13:08:59,673 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 13:08:59,674 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 13:08:59,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 13:08:59,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 13:08:59,675 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 13:08:59,676 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 13:08:59,676 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 13:08:59,678 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 13:08:59,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 13:08:59,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 13:08:59,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 13:08:59,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 13:08:59,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 13:08:59,685 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 13:08:59,685 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 13:08:59,686 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 13:08:59,687 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 13:08:59,688 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 13:08:59,688 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 13:08:59,689 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 13:08:59,689 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 13:08:59,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 13:08:59,690 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 13:08:59,690 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 [2018-04-11 13:08:59,711 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 13:08:59,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 13:08:59,712 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 13:08:59,712 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 13:08:59,712 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 13:08:59,712 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 13:08:59,713 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 13:08:59,713 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 13:08:59,713 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 13:08:59,713 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 13:08:59,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 13:08:59,713 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 13:08:59,713 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 13:08:59,713 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 13:08:59,714 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 13:08:59,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 13:08:59,714 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 13:08:59,714 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 13:08:59,714 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 13:08:59,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 13:08:59,714 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 13:08:59,714 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 [2018-04-11 13:08:59,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 13:08:59,747 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 13:08:59,750 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 13:08:59,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 13:08:59,752 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 13:08:59,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-free.i [2018-04-11 13:09:00,043 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd75a09698 [2018-04-11 13:09:00,177 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 13:09:00,178 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 13:09:00,178 INFO L168 CDTParser]: Scanning 960521-1_false-valid-free.i [2018-04-11 13:09:00,186 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 13:09:00,187 INFO L215 ultiparseSymbolTable]: [2018-04-11 13:09:00,187 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 13:09:00,187 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f_________false_valid_free_i__foo ('foo') in 960521-1_false-valid-free.i [2018-04-11 13:09:00,187 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in 960521-1_false-valid-free.i [2018-04-11 13:09:00,187 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 13:09:00,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__caddr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____rlim_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__mode_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__div_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_mutex_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____int32_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fsblkcnt_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsfilcnt_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_mutexattr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____rlim64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____suseconds_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____time_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____ssize_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____dev_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____blksize_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__int32_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____qaddr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____caddr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fd_set in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____timer_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____id_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____blkcnt64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fsfilcnt_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_short in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__key_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int32_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____nlink_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__blkcnt_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____pthread_list_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_char in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ulong in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____int16_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_once_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_long in 960521-1_false-valid-free.i [2018-04-11 13:09:00,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__gid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsblkcnt64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____off64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_short in 960521-1_false-valid-free.i [2018-04-11 13:09:00,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____quad_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__int16_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__lldiv_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_char in 960521-1_false-valid-free.i [2018-04-11 13:09:00,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____mode_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__blksize_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_quad_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__wchar_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____intptr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uint32_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_barrier_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__size_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__off_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_attr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__uid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____socklen_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____clockid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__quad_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____daddr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_spinlock_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fsid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int16_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_cond_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__int64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____key_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____blkcnt_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____clock_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fd_mask in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__dev_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____WAIT_STATUS in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ushort in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__id_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uint8_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__uint in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____sigset_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__loff_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____ino_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____ino64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____pid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____off_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fd_mask in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uint16_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____gid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__nlink_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__clock_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_condattr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_rwlockattr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_long in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__suseconds_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int8_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____loff_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__daddr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____sig_atomic_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__clockid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__timer_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____int8_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_barrierattr_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__register_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__sigset_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uint64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____swblk_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_quad_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ldiv_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uid_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ssize_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsblkcnt_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____int64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__int8_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__n in 960521-1_false-valid-free.i [2018-04-11 13:09:00,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsfilcnt64_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ino_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_int in 960521-1_false-valid-free.i [2018-04-11 13:09:00,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____useconds_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__a in 960521-1_false-valid-free.i [2018-04-11 13:09:00,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__b in 960521-1_false-valid-free.i [2018-04-11 13:09:00,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__time_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_rwlock_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_key_t in 960521-1_false-valid-free.i [2018-04-11 13:09:00,212 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd75a09698 [2018-04-11 13:09:00,216 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 13:09:00,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 13:09:00,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 13:09:00,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 13:09:00,223 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 13:09:00,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:09:00" (1/1) ... [2018-04-11 13:09:00,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7ec4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00, skipping insertion in model container [2018-04-11 13:09:00,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:09:00" (1/1) ... [2018-04-11 13:09:00,235 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:09:00,257 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:09:00,392 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:09:00,420 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:09:00,426 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-11 13:09:00,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00 WrapperNode [2018-04-11 13:09:00,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 13:09:00,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 13:09:00,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 13:09:00,463 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 13:09:00,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00" (1/1) ... [2018-04-11 13:09:00,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00" (1/1) ... [2018-04-11 13:09:00,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00" (1/1) ... [2018-04-11 13:09:00,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00" (1/1) ... [2018-04-11 13:09:00,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00" (1/1) ... [2018-04-11 13:09:00,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00" (1/1) ... [2018-04-11 13:09:00,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00" (1/1) ... [2018-04-11 13:09:00,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 13:09:00,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 13:09:00,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 13:09:00,503 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 13:09:00,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00" (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 [2018-04-11 13:09:00,588 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 13:09:00,588 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 13:09:00,588 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_________false_valid_free_i__foo [2018-04-11 13:09:00,588 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 13:09:00,588 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 13:09:00,588 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 13:09:00,589 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 13:09:00,589 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 13:09:00,589 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 13:09:00,589 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 13:09:00,589 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 13:09:00,589 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 13:09:00,589 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 13:09:00,589 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 13:09:00,589 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 13:09:00,590 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 13:09:00,590 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 13:09:00,590 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 13:09:00,590 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 13:09:00,590 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 13:09:00,590 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 13:09:00,590 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 13:09:00,590 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 13:09:00,591 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 13:09:00,591 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 13:09:00,591 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 13:09:00,591 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 13:09:00,591 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 13:09:00,591 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 13:09:00,591 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 13:09:00,591 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 13:09:00,591 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 13:09:00,592 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 13:09:00,592 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 13:09:00,592 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 13:09:00,592 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 13:09:00,592 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 13:09:00,592 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 13:09:00,592 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 13:09:00,592 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 13:09:00,592 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 13:09:00,593 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 13:09:00,593 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 13:09:00,593 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 13:09:00,593 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 13:09:00,593 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 13:09:00,593 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 13:09:00,593 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 13:09:00,593 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 13:09:00,593 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 13:09:00,594 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 13:09:00,594 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 13:09:00,594 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 13:09:00,594 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 13:09:00,594 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 13:09:00,594 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 13:09:00,594 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 13:09:00,594 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 13:09:00,594 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 13:09:00,595 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 13:09:00,595 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 13:09:00,595 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 13:09:00,595 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 13:09:00,595 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 13:09:00,595 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 13:09:00,595 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 13:09:00,595 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 13:09:00,595 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 13:09:00,596 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 13:09:00,597 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 13:09:00,598 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 13:09:00,598 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 13:09:00,598 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 13:09:00,598 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 13:09:00,598 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 13:09:00,598 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 13:09:00,598 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 13:09:00,598 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 13:09:00,598 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 13:09:00,599 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_________false_valid_free_i__foo [2018-04-11 13:09:00,600 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 13:09:00,600 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 13:09:00,600 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 13:09:00,600 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 13:09:00,600 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 13:09:00,600 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 13:09:00,600 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 13:09:00,600 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 13:09:00,868 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 13:09:00,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:09:00 BoogieIcfgContainer [2018-04-11 13:09:00,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 13:09:00,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 13:09:00,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 13:09:00,871 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 13:09:00,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 01:09:00" (1/3) ... [2018-04-11 13:09:00,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d5b10c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:09:00, skipping insertion in model container [2018-04-11 13:09:00,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:09:00" (2/3) ... [2018-04-11 13:09:00,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d5b10c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:09:00, skipping insertion in model container [2018-04-11 13:09:00,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:09:00" (3/3) ... [2018-04-11 13:09:00,874 INFO L107 eAbstractionObserver]: Analyzing ICFG 960521-1_false-valid-free.i [2018-04-11 13:09:00,880 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 13:09:00,886 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-11 13:09:00,917 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 13:09:00,918 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 13:09:00,918 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 13:09:00,918 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 13:09:00,918 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 13:09:00,918 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 13:09:00,918 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 13:09:00,918 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 13:09:00,918 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 13:09:00,918 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 13:09:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-04-11 13:09:00,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 13:09:00,932 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:00,933 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:00,933 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:00,936 INFO L82 PathProgramCache]: Analyzing trace with hash 516560539, now seen corresponding path program 1 times [2018-04-11 13:09:00,968 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:01,008 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,053 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:09:01,053 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:09:01,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:01,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,054 INFO L182 omatonBuilderFactory]: Interpolants [64#true, 65#false, 66#(= 1 (select |#valid| |main_#t~malloc3.base|)), 67#(= 1 (select |#valid| |main_#t~post4.base|))] [2018-04-11 13:09:01,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:09:01,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:09:01,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:09:01,065 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2018-04-11 13:09:01,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:01,155 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-04-11 13:09:01,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:09:01,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-04-11 13:09:01,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:01,165 INFO L225 Difference]: With dead ends: 60 [2018-04-11 13:09:01,165 INFO L226 Difference]: Without dead ends: 57 [2018-04-11 13:09:01,167 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:09:01,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-11 13:09:01,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-11 13:09:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 13:09:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-04-11 13:09:01,192 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 11 [2018-04-11 13:09:01,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:01,192 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-04-11 13:09:01,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:09:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-04-11 13:09:01,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 13:09:01,193 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:01,193 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:01,193 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:01,193 INFO L82 PathProgramCache]: Analyzing trace with hash 516560540, now seen corresponding path program 1 times [2018-04-11 13:09:01,194 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:01,208 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,271 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:09:01,271 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:09:01,271 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,272 INFO L182 omatonBuilderFactory]: Interpolants [187#true, 188#false, 189#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 190#(and (<= 512 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 191#(and (= |main_#t~post4.offset| 0) (<= 512 (select |#length| |main_#t~post4.base|)))] [2018-04-11 13:09:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:09:01,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:09:01,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:09:01,274 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 5 states. [2018-04-11 13:09:01,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:01,312 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-04-11 13:09:01,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:09:01,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-04-11 13:09:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:01,313 INFO L225 Difference]: With dead ends: 56 [2018-04-11 13:09:01,313 INFO L226 Difference]: Without dead ends: 56 [2018-04-11 13:09:01,314 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 [2018-04-11 13:09:01,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-11 13:09:01,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-11 13:09:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 13:09:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-04-11 13:09:01,317 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 11 [2018-04-11 13:09:01,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:01,317 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-04-11 13:09:01,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:09:01,317 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-04-11 13:09:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 13:09:01,318 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:01,318 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:01,318 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:01,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1337247429, now seen corresponding path program 1 times [2018-04-11 13:09:01,319 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:01,330 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,391 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:09:01,391 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 13:09:01,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,392 INFO L182 omatonBuilderFactory]: Interpolants [308#true, 309#false, 310#(= 1 (select |#valid| |main_#t~malloc2.base|)), 311#(= 1 (select |#valid| ~__U_MULTI_f_________false_valid_free_i__a~0.base)), 312#(or (= ~__U_MULTI_f_________false_valid_free_i__a~0.base |main_#t~malloc3.base|) (= 1 (select |#valid| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 313#(or (= |main_#t~post4.base| ~__U_MULTI_f_________false_valid_free_i__a~0.base) (= 1 (select |#valid| ~__U_MULTI_f_________false_valid_free_i__a~0.base)))] [2018-04-11 13:09:01,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 13:09:01,392 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 13:09:01,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:09:01,392 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 6 states. [2018-04-11 13:09:01,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:01,474 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-04-11 13:09:01,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:09:01,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-11 13:09:01,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:01,475 INFO L225 Difference]: With dead ends: 53 [2018-04-11 13:09:01,475 INFO L226 Difference]: Without dead ends: 53 [2018-04-11 13:09:01,475 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:09:01,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-11 13:09:01,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-11 13:09:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 13:09:01,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-04-11 13:09:01,479 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 17 [2018-04-11 13:09:01,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:01,479 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-04-11 13:09:01,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 13:09:01,479 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-04-11 13:09:01,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 13:09:01,480 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:01,480 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:01,480 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:01,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1337247430, now seen corresponding path program 1 times [2018-04-11 13:09:01,481 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:01,496 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,607 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:09:01,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:09:01,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,608 INFO L182 omatonBuilderFactory]: Interpolants [422#true, 423#false, 424#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 425#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 426#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 427#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 428#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 512 (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0))] [2018-04-11 13:09:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:01,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 13:09:01,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 13:09:01,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:09:01,609 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 7 states. [2018-04-11 13:09:01,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:01,844 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-04-11 13:09:01,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 13:09:01,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-04-11 13:09:01,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:01,848 INFO L225 Difference]: With dead ends: 61 [2018-04-11 13:09:01,848 INFO L226 Difference]: Without dead ends: 61 [2018-04-11 13:09:01,850 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:09:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-11 13:09:01,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2018-04-11 13:09:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 13:09:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-04-11 13:09:01,854 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 17 [2018-04-11 13:09:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:01,856 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-04-11 13:09:01,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 13:09:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-04-11 13:09:01,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 13:09:01,856 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:01,856 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:01,857 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:01,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1186083357, now seen corresponding path program 1 times [2018-04-11 13:09:01,857 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:01,871 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:02,031 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:02,031 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-11 13:09:02,032 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:02,032 INFO L182 omatonBuilderFactory]: Interpolants [548#true, 549#false, 550#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 551#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 552#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 553#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 554#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 555#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 508) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:02,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 13:09:02,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 13:09:02,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:09:02,033 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 8 states. [2018-04-11 13:09:02,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:02,190 INFO L93 Difference]: Finished difference Result 73 states and 76 transitions. [2018-04-11 13:09:02,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 13:09:02,190 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-04-11 13:09:02,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:02,193 INFO L225 Difference]: With dead ends: 73 [2018-04-11 13:09:02,193 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 13:09:02,193 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-04-11 13:09:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 13:09:02,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 60. [2018-04-11 13:09:02,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 13:09:02,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-04-11 13:09:02,197 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 21 [2018-04-11 13:09:02,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:02,198 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-04-11 13:09:02,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 13:09:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-04-11 13:09:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 13:09:02,198 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:02,199 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:02,199 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:02,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1607211508, now seen corresponding path program 2 times [2018-04-11 13:09:02,199 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:02,210 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:02,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:02,385 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:02,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-11 13:09:02,385 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:02,386 INFO L182 omatonBuilderFactory]: Interpolants [691#true, 692#false, 693#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 694#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 695#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 696#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 697#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 698#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 699#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 700#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 504) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:02,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 13:09:02,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 13:09:02,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-11 13:09:02,387 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 10 states. [2018-04-11 13:09:02,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:02,571 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-04-11 13:09:02,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 13:09:02,572 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-04-11 13:09:02,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:02,573 INFO L225 Difference]: With dead ends: 85 [2018-04-11 13:09:02,573 INFO L226 Difference]: Without dead ends: 85 [2018-04-11 13:09:02,574 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:09:02,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-11 13:09:02,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 64. [2018-04-11 13:09:02,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-11 13:09:02,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2018-04-11 13:09:02,577 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 25 [2018-04-11 13:09:02,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:02,577 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2018-04-11 13:09:02,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 13:09:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-04-11 13:09:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 13:09:02,578 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:02,578 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:02,578 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:02,579 INFO L82 PathProgramCache]: Analyzing trace with hash 124796491, now seen corresponding path program 3 times [2018-04-11 13:09:02,579 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:02,591 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:02,727 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:02,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-11 13:09:02,727 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:02,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:02,727 INFO L182 omatonBuilderFactory]: Interpolants [864#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 865#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 866#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 500) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 856#true, 857#false, 858#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 859#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 860#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 861#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 862#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 863#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:02,727 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:02,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 13:09:02,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 13:09:02,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-04-11 13:09:02,728 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand 11 states. [2018-04-11 13:09:02,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:02,900 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2018-04-11 13:09:02,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:09:02,900 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2018-04-11 13:09:02,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:02,902 INFO L225 Difference]: With dead ends: 97 [2018-04-11 13:09:02,902 INFO L226 Difference]: Without dead ends: 97 [2018-04-11 13:09:02,902 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:09:02,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-11 13:09:02,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 68. [2018-04-11 13:09:02,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-11 13:09:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2018-04-11 13:09:02,906 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 29 [2018-04-11 13:09:02,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:02,906 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2018-04-11 13:09:02,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 13:09:02,906 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2018-04-11 13:09:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 13:09:02,907 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:02,907 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:02,907 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:02,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1026318114, now seen corresponding path program 4 times [2018-04-11 13:09:02,907 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:02,917 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:03,084 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:03,084 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 13:09:03,085 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:03,085 INFO L182 omatonBuilderFactory]: Interpolants [1040#true, 1041#false, 1042#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 1043#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 1044#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 1045#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 1046#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 1047#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1048#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1049#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1050#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 1051#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 496) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:03,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 13:09:03,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 13:09:03,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:09:03,085 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 12 states. [2018-04-11 13:09:03,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:03,266 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2018-04-11 13:09:03,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 13:09:03,266 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2018-04-11 13:09:03,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:03,267 INFO L225 Difference]: With dead ends: 109 [2018-04-11 13:09:03,267 INFO L226 Difference]: Without dead ends: 109 [2018-04-11 13:09:03,267 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2018-04-11 13:09:03,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-04-11 13:09:03,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 72. [2018-04-11 13:09:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-11 13:09:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2018-04-11 13:09:03,270 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 33 [2018-04-11 13:09:03,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:03,270 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2018-04-11 13:09:03,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 13:09:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-04-11 13:09:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 13:09:03,271 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:03,271 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:03,271 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:03,271 INFO L82 PathProgramCache]: Analyzing trace with hash 61750393, now seen corresponding path program 5 times [2018-04-11 13:09:03,271 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:03,280 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:03,475 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:03,476 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 13:09:03,476 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:03,476 INFO L182 omatonBuilderFactory]: Interpolants [1248#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 1249#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 1250#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1251#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1252#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1253#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1254#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 1255#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 492) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 1243#true, 1244#false, 1245#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 1246#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 1247#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:03,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 13:09:03,477 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 13:09:03,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:09:03,477 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 13 states. [2018-04-11 13:09:03,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:03,799 INFO L93 Difference]: Finished difference Result 121 states and 128 transitions. [2018-04-11 13:09:03,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 13:09:03,799 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-11 13:09:03,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:03,800 INFO L225 Difference]: With dead ends: 121 [2018-04-11 13:09:03,800 INFO L226 Difference]: Without dead ends: 121 [2018-04-11 13:09:03,801 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2018-04-11 13:09:03,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-04-11 13:09:03,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 76. [2018-04-11 13:09:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 13:09:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2018-04-11 13:09:03,805 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 37 [2018-04-11 13:09:03,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:03,805 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2018-04-11 13:09:03,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 13:09:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2018-04-11 13:09:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-11 13:09:03,806 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:03,806 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:03,806 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:03,806 INFO L82 PathProgramCache]: Analyzing trace with hash -792488368, now seen corresponding path program 6 times [2018-04-11 13:09:03,807 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:03,820 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:03,998 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:03,998 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 13:09:03,998 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:03,999 INFO L182 omatonBuilderFactory]: Interpolants [1472#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1473#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1474#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1475#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1476#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 1477#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 1478#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 488) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 1465#true, 1466#false, 1467#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 1468#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 1469#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 1470#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 1471#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0))] [2018-04-11 13:09:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:03,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 13:09:03,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 13:09:03,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-04-11 13:09:03,999 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand 14 states. [2018-04-11 13:09:04,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:04,298 INFO L93 Difference]: Finished difference Result 133 states and 141 transitions. [2018-04-11 13:09:04,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 13:09:04,298 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 41 [2018-04-11 13:09:04,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:04,299 INFO L225 Difference]: With dead ends: 133 [2018-04-11 13:09:04,299 INFO L226 Difference]: Without dead ends: 133 [2018-04-11 13:09:04,299 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:09:04,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-04-11 13:09:04,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 80. [2018-04-11 13:09:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-11 13:09:04,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2018-04-11 13:09:04,302 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 41 [2018-04-11 13:09:04,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:04,302 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2018-04-11 13:09:04,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 13:09:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-04-11 13:09:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-11 13:09:04,303 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:04,303 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:04,303 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:04,303 INFO L82 PathProgramCache]: Analyzing trace with hash -44421977, now seen corresponding path program 7 times [2018-04-11 13:09:04,303 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:04,311 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:04,548 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:04,549 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 13:09:04,549 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:04,549 INFO L182 omatonBuilderFactory]: Interpolants [1706#true, 1707#false, 1708#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 1709#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 1710#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 1711#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 1712#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 1713#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1714#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1715#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1716#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1717#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1718#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1719#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 1720#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 484) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:04,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 13:09:04,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 13:09:04,550 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:09:04,550 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 15 states. [2018-04-11 13:09:05,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:05,018 INFO L93 Difference]: Finished difference Result 145 states and 154 transitions. [2018-04-11 13:09:05,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 13:09:05,018 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 45 [2018-04-11 13:09:05,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:05,019 INFO L225 Difference]: With dead ends: 145 [2018-04-11 13:09:05,019 INFO L226 Difference]: Without dead ends: 145 [2018-04-11 13:09:05,020 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:09:05,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-04-11 13:09:05,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 84. [2018-04-11 13:09:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-11 13:09:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2018-04-11 13:09:05,024 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 45 [2018-04-11 13:09:05,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:05,024 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2018-04-11 13:09:05,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 13:09:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2018-04-11 13:09:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 13:09:05,025 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:05,025 INFO L355 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:05,025 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:05,025 INFO L82 PathProgramCache]: Analyzing trace with hash 897564542, now seen corresponding path program 8 times [2018-04-11 13:09:05,026 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:05,038 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:05,262 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:05,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 13:09:05,262 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:05,263 INFO L182 omatonBuilderFactory]: Interpolants [1966#true, 1967#false, 1968#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 1969#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 1970#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 1971#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 1972#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 1973#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1974#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1975#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1976#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1977#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1978#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1979#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 1980#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 1981#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 480) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:05,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 13:09:05,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 13:09:05,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-04-11 13:09:05,264 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand 16 states. [2018-04-11 13:09:05,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:05,576 INFO L93 Difference]: Finished difference Result 157 states and 167 transitions. [2018-04-11 13:09:05,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 13:09:05,576 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 49 [2018-04-11 13:09:05,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:05,577 INFO L225 Difference]: With dead ends: 157 [2018-04-11 13:09:05,577 INFO L226 Difference]: Without dead ends: 157 [2018-04-11 13:09:05,577 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:09:05,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-04-11 13:09:05,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 88. [2018-04-11 13:09:05,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-11 13:09:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 90 transitions. [2018-04-11 13:09:05,580 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 90 transitions. Word has length 49 [2018-04-11 13:09:05,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:05,580 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 90 transitions. [2018-04-11 13:09:05,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 13:09:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 90 transitions. [2018-04-11 13:09:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 13:09:05,581 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:05,581 INFO L355 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:05,581 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:05,581 INFO L82 PathProgramCache]: Analyzing trace with hash -396226859, now seen corresponding path program 9 times [2018-04-11 13:09:05,582 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:05,593 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:05,865 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:05,865 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 13:09:05,865 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:05,865 INFO L182 omatonBuilderFactory]: Interpolants [2245#true, 2246#false, 2247#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 2248#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 2249#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 2250#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 2251#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 2252#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2253#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2254#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2255#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2256#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2257#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2258#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2259#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2260#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 2261#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 476) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:05,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 13:09:05,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 13:09:05,866 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2018-04-11 13:09:05,866 INFO L87 Difference]: Start difference. First operand 88 states and 90 transitions. Second operand 17 states. [2018-04-11 13:09:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:06,221 INFO L93 Difference]: Finished difference Result 169 states and 180 transitions. [2018-04-11 13:09:06,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 13:09:06,222 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 53 [2018-04-11 13:09:06,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:06,222 INFO L225 Difference]: With dead ends: 169 [2018-04-11 13:09:06,222 INFO L226 Difference]: Without dead ends: 169 [2018-04-11 13:09:06,223 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=489, Unknown=0, NotChecked=0, Total=702 [2018-04-11 13:09:06,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-04-11 13:09:06,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 92. [2018-04-11 13:09:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-11 13:09:06,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 94 transitions. [2018-04-11 13:09:06,227 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 94 transitions. Word has length 53 [2018-04-11 13:09:06,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:06,227 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 94 transitions. [2018-04-11 13:09:06,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 13:09:06,227 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2018-04-11 13:09:06,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 13:09:06,228 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:06,228 INFO L355 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:06,228 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:06,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1202791764, now seen corresponding path program 10 times [2018-04-11 13:09:06,229 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:06,242 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:06,585 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:06,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 13:09:06,585 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:06,586 INFO L182 omatonBuilderFactory]: Interpolants [2560#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 472) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 2543#true, 2544#false, 2545#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 2546#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 2547#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 2548#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 2549#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 2550#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2551#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2552#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2553#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2554#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2555#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2556#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2557#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2558#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2559#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:06,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 13:09:06,586 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 13:09:06,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2018-04-11 13:09:06,586 INFO L87 Difference]: Start difference. First operand 92 states and 94 transitions. Second operand 18 states. [2018-04-11 13:09:07,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:07,006 INFO L93 Difference]: Finished difference Result 181 states and 193 transitions. [2018-04-11 13:09:07,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 13:09:07,006 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 57 [2018-04-11 13:09:07,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:07,007 INFO L225 Difference]: With dead ends: 181 [2018-04-11 13:09:07,007 INFO L226 Difference]: Without dead ends: 181 [2018-04-11 13:09:07,007 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=249, Invalid=563, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:09:07,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-04-11 13:09:07,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 96. [2018-04-11 13:09:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-04-11 13:09:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 98 transitions. [2018-04-11 13:09:07,010 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 98 transitions. Word has length 57 [2018-04-11 13:09:07,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:07,011 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 98 transitions. [2018-04-11 13:09:07,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 13:09:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 98 transitions. [2018-04-11 13:09:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-11 13:09:07,011 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:07,012 INFO L355 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:07,012 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:07,012 INFO L82 PathProgramCache]: Analyzing trace with hash -357309693, now seen corresponding path program 11 times [2018-04-11 13:09:07,012 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:07,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:07,276 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:07,276 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 13:09:07,276 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:07,277 INFO L182 omatonBuilderFactory]: Interpolants [2860#true, 2861#false, 2862#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 2863#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 2864#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 2865#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 2866#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 2867#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2868#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2869#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2870#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2871#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2872#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2873#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2874#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2875#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2876#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 2877#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 2878#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 468) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:07,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 13:09:07,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 13:09:07,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2018-04-11 13:09:07,278 INFO L87 Difference]: Start difference. First operand 96 states and 98 transitions. Second operand 19 states. [2018-04-11 13:09:07,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:07,688 INFO L93 Difference]: Finished difference Result 193 states and 206 transitions. [2018-04-11 13:09:07,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 13:09:07,688 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 61 [2018-04-11 13:09:07,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:07,689 INFO L225 Difference]: With dead ends: 193 [2018-04-11 13:09:07,689 INFO L226 Difference]: Without dead ends: 193 [2018-04-11 13:09:07,690 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=288, Invalid=642, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:09:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-11 13:09:07,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 100. [2018-04-11 13:09:07,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-11 13:09:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2018-04-11 13:09:07,693 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 61 [2018-04-11 13:09:07,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:07,693 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2018-04-11 13:09:07,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 13:09:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2018-04-11 13:09:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-11 13:09:07,694 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:07,694 INFO L355 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:07,694 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:07,694 INFO L82 PathProgramCache]: Analyzing trace with hash -669063206, now seen corresponding path program 12 times [2018-04-11 13:09:07,695 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:07,704 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:08,102 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:08,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 13:09:08,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:08,105 INFO L182 omatonBuilderFactory]: Interpolants [3200#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 3201#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 3202#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 3203#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3204#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3205#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3206#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3207#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3208#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3209#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3210#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3211#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3212#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 3213#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 3214#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 3215#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 464) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 3196#true, 3197#false, 3198#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 3199#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|))] [2018-04-11 13:09:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:08,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 13:09:08,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 13:09:08,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-04-11 13:09:08,106 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand 20 states. [2018-04-11 13:09:08,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:08,583 INFO L93 Difference]: Finished difference Result 205 states and 219 transitions. [2018-04-11 13:09:08,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 13:09:08,584 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 65 [2018-04-11 13:09:08,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:08,584 INFO L225 Difference]: With dead ends: 205 [2018-04-11 13:09:08,585 INFO L226 Difference]: Without dead ends: 205 [2018-04-11 13:09:08,585 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=330, Invalid=726, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:09:08,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-04-11 13:09:08,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 104. [2018-04-11 13:09:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-11 13:09:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 106 transitions. [2018-04-11 13:09:08,589 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 106 transitions. Word has length 65 [2018-04-11 13:09:08,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:08,589 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 106 transitions. [2018-04-11 13:09:08,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 13:09:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 106 transitions. [2018-04-11 13:09:08,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-11 13:09:08,589 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:08,589 INFO L355 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:08,589 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:08,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1547544881, now seen corresponding path program 13 times [2018-04-11 13:09:08,590 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:08,603 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:08,990 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:08,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:09:08,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:08,990 INFO L182 omatonBuilderFactory]: Interpolants [3552#false, 3553#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 3554#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 3555#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 3556#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 3557#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 3558#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3559#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3560#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3561#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3562#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3563#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3564#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3565#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3566#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3567#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 3568#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3569#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3570#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 3571#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 460) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 3551#true] [2018-04-11 13:09:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:08,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:09:08,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:09:08,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:09:08,991 INFO L87 Difference]: Start difference. First operand 104 states and 106 transitions. Second operand 21 states. [2018-04-11 13:09:09,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:09,502 INFO L93 Difference]: Finished difference Result 217 states and 232 transitions. [2018-04-11 13:09:09,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 13:09:09,502 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 69 [2018-04-11 13:09:09,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:09,503 INFO L225 Difference]: With dead ends: 217 [2018-04-11 13:09:09,503 INFO L226 Difference]: Without dead ends: 217 [2018-04-11 13:09:09,504 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=375, Invalid=815, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 13:09:09,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-04-11 13:09:09,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 108. [2018-04-11 13:09:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-11 13:09:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 110 transitions. [2018-04-11 13:09:09,507 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 110 transitions. Word has length 69 [2018-04-11 13:09:09,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:09,507 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 110 transitions. [2018-04-11 13:09:09,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:09:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 110 transitions. [2018-04-11 13:09:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:09:09,508 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:09,508 INFO L355 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:09,508 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:09,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1172170504, now seen corresponding path program 14 times [2018-04-11 13:09:09,508 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:09,521 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:09,875 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:09,875 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-11 13:09:09,875 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:09,875 INFO L182 omatonBuilderFactory]: Interpolants [3936#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3937#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3938#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3939#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3940#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3941#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 3942#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3943#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3944#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3945#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 3946#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 456) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 3925#true, 3926#false, 3927#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 3928#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 3929#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 3930#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 3931#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 3932#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3933#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3934#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 3935#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:09,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 13:09:09,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 13:09:09,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:09:09,876 INFO L87 Difference]: Start difference. First operand 108 states and 110 transitions. Second operand 22 states. [2018-04-11 13:09:10,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:10,404 INFO L93 Difference]: Finished difference Result 229 states and 245 transitions. [2018-04-11 13:09:10,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 13:09:10,404 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 73 [2018-04-11 13:09:10,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:10,405 INFO L225 Difference]: With dead ends: 229 [2018-04-11 13:09:10,405 INFO L226 Difference]: Without dead ends: 229 [2018-04-11 13:09:10,405 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=423, Invalid=909, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:09:10,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-04-11 13:09:10,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 112. [2018-04-11 13:09:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-11 13:09:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 114 transitions. [2018-04-11 13:09:10,408 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 114 transitions. Word has length 73 [2018-04-11 13:09:10,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:10,408 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 114 transitions. [2018-04-11 13:09:10,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 13:09:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 114 transitions. [2018-04-11 13:09:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-11 13:09:10,409 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:10,409 INFO L355 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:10,409 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:10,409 INFO L82 PathProgramCache]: Analyzing trace with hash -957521569, now seen corresponding path program 15 times [2018-04-11 13:09:10,410 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:10,424 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:10,798 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:10,798 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:09:10,798 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:10,799 INFO L182 omatonBuilderFactory]: Interpolants [4320#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 4321#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 4322#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 4323#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 4324#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 4325#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4326#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4327#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4328#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4329#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4330#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4331#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4332#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4333#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4334#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 4335#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4336#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4337#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4338#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4339#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 4340#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 452) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 4318#true, 4319#false] [2018-04-11 13:09:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:10,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 13:09:10,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 13:09:10,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:09:10,800 INFO L87 Difference]: Start difference. First operand 112 states and 114 transitions. Second operand 23 states. [2018-04-11 13:09:11,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:11,406 INFO L93 Difference]: Finished difference Result 241 states and 258 transitions. [2018-04-11 13:09:11,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 13:09:11,406 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 77 [2018-04-11 13:09:11,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:11,407 INFO L225 Difference]: With dead ends: 241 [2018-04-11 13:09:11,407 INFO L226 Difference]: Without dead ends: 241 [2018-04-11 13:09:11,407 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=474, Invalid=1008, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 13:09:11,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-04-11 13:09:11,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 116. [2018-04-11 13:09:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-11 13:09:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 118 transitions. [2018-04-11 13:09:11,410 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 118 transitions. Word has length 77 [2018-04-11 13:09:11,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:11,410 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 118 transitions. [2018-04-11 13:09:11,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 13:09:11,410 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 118 transitions. [2018-04-11 13:09:11,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-11 13:09:11,410 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:11,411 INFO L355 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:11,411 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:11,411 INFO L82 PathProgramCache]: Analyzing trace with hash -461776842, now seen corresponding path program 16 times [2018-04-11 13:09:11,411 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:11,419 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:11,825 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:11,825 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:11,826 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-11 13:09:11,826 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:11,826 INFO L182 omatonBuilderFactory]: Interpolants [4736#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 4737#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4738#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4739#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4740#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4741#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4742#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4743#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4744#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4745#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4746#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 4747#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4748#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4749#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4750#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4751#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 4752#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 4753#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 448) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 4730#true, 4731#false, 4732#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 4733#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 4734#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 4735#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0))] [2018-04-11 13:09:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:11,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 13:09:11,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 13:09:11,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2018-04-11 13:09:11,827 INFO L87 Difference]: Start difference. First operand 116 states and 118 transitions. Second operand 24 states. [2018-04-11 13:09:12,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:12,458 INFO L93 Difference]: Finished difference Result 253 states and 271 transitions. [2018-04-11 13:09:12,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 13:09:12,462 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 81 [2018-04-11 13:09:12,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:12,463 INFO L225 Difference]: With dead ends: 253 [2018-04-11 13:09:12,463 INFO L226 Difference]: Without dead ends: 253 [2018-04-11 13:09:12,464 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=528, Invalid=1112, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:09:12,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-04-11 13:09:12,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 120. [2018-04-11 13:09:12,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-11 13:09:12,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 122 transitions. [2018-04-11 13:09:12,466 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 122 transitions. Word has length 81 [2018-04-11 13:09:12,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:12,466 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 122 transitions. [2018-04-11 13:09:12,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 13:09:12,466 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 122 transitions. [2018-04-11 13:09:12,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-11 13:09:12,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:12,467 INFO L355 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:12,467 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:12,467 INFO L82 PathProgramCache]: Analyzing trace with hash -424604787, now seen corresponding path program 17 times [2018-04-11 13:09:12,467 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:12,477 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:12,882 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:12,882 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 13:09:12,882 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:12,882 INFO L182 omatonBuilderFactory]: Interpolants [5184#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 5185#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 444) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 5161#true, 5162#false, 5163#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 5164#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 5165#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 5166#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 5167#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 5168#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5169#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5170#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5171#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5172#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5173#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5174#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5175#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5176#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5177#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 5178#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5179#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5180#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5181#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5182#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5183#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:12,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:09:12,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:09:12,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:09:12,883 INFO L87 Difference]: Start difference. First operand 120 states and 122 transitions. Second operand 25 states. [2018-04-11 13:09:13,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:13,554 INFO L93 Difference]: Finished difference Result 265 states and 284 transitions. [2018-04-11 13:09:13,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:09:13,554 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 85 [2018-04-11 13:09:13,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:13,556 INFO L225 Difference]: With dead ends: 265 [2018-04-11 13:09:13,556 INFO L226 Difference]: Without dead ends: 265 [2018-04-11 13:09:13,556 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=585, Invalid=1221, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 13:09:13,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-04-11 13:09:13,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 124. [2018-04-11 13:09:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-11 13:09:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2018-04-11 13:09:13,559 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 85 [2018-04-11 13:09:13,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:13,559 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2018-04-11 13:09:13,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:09:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2018-04-11 13:09:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-11 13:09:13,560 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:13,560 INFO L355 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:13,560 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:13,560 INFO L82 PathProgramCache]: Analyzing trace with hash -924796060, now seen corresponding path program 18 times [2018-04-11 13:09:13,561 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:13,577 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:13,984 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:13,984 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 13:09:13,985 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:13,985 INFO L182 omatonBuilderFactory]: Interpolants [5632#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5633#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5634#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5635#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 5636#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 440) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 5611#true, 5612#false, 5613#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 5614#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 5615#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 5616#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 5617#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 5618#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5619#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5620#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5621#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5622#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5623#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5624#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5625#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5626#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5627#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 5628#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5629#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5630#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 5631#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:13,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 13:09:13,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 13:09:13,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2018-04-11 13:09:13,986 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand 26 states. [2018-04-11 13:09:14,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:14,651 INFO L93 Difference]: Finished difference Result 277 states and 297 transitions. [2018-04-11 13:09:14,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-11 13:09:14,652 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 89 [2018-04-11 13:09:14,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:14,653 INFO L225 Difference]: With dead ends: 277 [2018-04-11 13:09:14,653 INFO L226 Difference]: Without dead ends: 277 [2018-04-11 13:09:14,654 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=645, Invalid=1335, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 13:09:14,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-04-11 13:09:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 128. [2018-04-11 13:09:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-11 13:09:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2018-04-11 13:09:14,657 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 89 [2018-04-11 13:09:14,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:14,657 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2018-04-11 13:09:14,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 13:09:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2018-04-11 13:09:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 13:09:14,658 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:14,658 INFO L355 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:14,658 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:14,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1451841605, now seen corresponding path program 19 times [2018-04-11 13:09:14,659 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:14,676 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:15,205 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:15,205 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:15,205 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-11 13:09:15,206 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:15,206 INFO L182 omatonBuilderFactory]: Interpolants [6080#true, 6081#false, 6082#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 6083#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 6084#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 6085#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 6086#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 6087#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6088#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6089#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6090#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6091#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6092#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6093#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6094#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6095#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6096#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 6097#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6098#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6099#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6100#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6101#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6102#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6103#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6104#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6105#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 6106#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 436) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:15,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 13:09:15,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 13:09:15,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=473, Unknown=0, NotChecked=0, Total=702 [2018-04-11 13:09:15,207 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand 27 states. [2018-04-11 13:09:16,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:16,057 INFO L93 Difference]: Finished difference Result 289 states and 310 transitions. [2018-04-11 13:09:16,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 13:09:16,058 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 93 [2018-04-11 13:09:16,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:16,059 INFO L225 Difference]: With dead ends: 289 [2018-04-11 13:09:16,059 INFO L226 Difference]: Without dead ends: 289 [2018-04-11 13:09:16,060 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=708, Invalid=1454, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 13:09:16,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-04-11 13:09:16,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 132. [2018-04-11 13:09:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-11 13:09:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 134 transitions. [2018-04-11 13:09:16,063 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 134 transitions. Word has length 93 [2018-04-11 13:09:16,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:16,064 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 134 transitions. [2018-04-11 13:09:16,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 13:09:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 134 transitions. [2018-04-11 13:09:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-11 13:09:16,064 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:16,064 INFO L355 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:16,065 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:16,065 INFO L82 PathProgramCache]: Analyzing trace with hash 973115538, now seen corresponding path program 20 times [2018-04-11 13:09:16,065 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:16,081 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:16,596 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:16,596 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-11 13:09:16,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:16,597 INFO L182 omatonBuilderFactory]: Interpolants [6592#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6593#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 6594#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 6595#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 432) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 6568#true, 6569#false, 6570#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 6571#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 6572#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 6573#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 6574#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 6575#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6576#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6577#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6578#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6579#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6580#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6581#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6582#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6583#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6584#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 6585#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6586#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6587#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6588#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6589#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6590#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 6591#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:16,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 13:09:16,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 13:09:16,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=506, Unknown=0, NotChecked=0, Total=756 [2018-04-11 13:09:16,598 INFO L87 Difference]: Start difference. First operand 132 states and 134 transitions. Second operand 28 states. [2018-04-11 13:09:17,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:17,247 INFO L93 Difference]: Finished difference Result 301 states and 323 transitions. [2018-04-11 13:09:17,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 13:09:17,247 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 97 [2018-04-11 13:09:17,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:17,248 INFO L225 Difference]: With dead ends: 301 [2018-04-11 13:09:17,248 INFO L226 Difference]: Without dead ends: 301 [2018-04-11 13:09:17,248 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=774, Invalid=1578, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 13:09:17,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-04-11 13:09:17,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 136. [2018-04-11 13:09:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-04-11 13:09:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 138 transitions. [2018-04-11 13:09:17,251 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 138 transitions. Word has length 97 [2018-04-11 13:09:17,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:17,251 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 138 transitions. [2018-04-11 13:09:17,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 13:09:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 138 transitions. [2018-04-11 13:09:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-11 13:09:17,251 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:17,251 INFO L355 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:17,251 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:17,252 INFO L82 PathProgramCache]: Analyzing trace with hash 791426537, now seen corresponding path program 21 times [2018-04-11 13:09:17,252 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:17,263 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:17,811 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:17,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:09:17,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:17,812 INFO L182 omatonBuilderFactory]: Interpolants [7075#true, 7076#false, 7077#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 7078#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 7079#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 7080#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 7081#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 7082#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7083#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7084#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7085#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7086#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7087#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7088#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7089#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7090#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7091#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 7092#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7093#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7094#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7095#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7096#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7097#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7098#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7099#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7100#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7101#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7102#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 7103#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 428) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:17,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:09:17,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:09:17,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=540, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:09:17,813 INFO L87 Difference]: Start difference. First operand 136 states and 138 transitions. Second operand 29 states. [2018-04-11 13:09:18,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:18,648 INFO L93 Difference]: Finished difference Result 313 states and 336 transitions. [2018-04-11 13:09:18,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 13:09:18,648 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 101 [2018-04-11 13:09:18,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:18,649 INFO L225 Difference]: With dead ends: 313 [2018-04-11 13:09:18,649 INFO L226 Difference]: Without dead ends: 313 [2018-04-11 13:09:18,650 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=843, Invalid=1707, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 13:09:18,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-04-11 13:09:18,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 140. [2018-04-11 13:09:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-04-11 13:09:18,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 142 transitions. [2018-04-11 13:09:18,653 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 142 transitions. Word has length 101 [2018-04-11 13:09:18,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:18,654 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 142 transitions. [2018-04-11 13:09:18,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:09:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 142 transitions. [2018-04-11 13:09:18,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-04-11 13:09:18,654 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:18,654 INFO L355 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:18,654 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:18,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1329113152, now seen corresponding path program 22 times [2018-04-11 13:09:18,655 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:18,675 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:19,286 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:19,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:09:19,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:19,286 INFO L182 omatonBuilderFactory]: Interpolants [7616#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7617#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 7618#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7619#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7620#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7621#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7622#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7623#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7624#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7625#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7626#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7627#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7628#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 7629#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 7630#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 424) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 7601#true, 7602#false, 7603#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 7604#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 7605#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 7606#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 7607#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 7608#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7609#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7610#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7611#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7612#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7613#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7614#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 7615#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:19,287 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:19,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:09:19,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:09:19,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=575, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:09:19,288 INFO L87 Difference]: Start difference. First operand 140 states and 142 transitions. Second operand 30 states. [2018-04-11 13:09:20,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:20,200 INFO L93 Difference]: Finished difference Result 325 states and 349 transitions. [2018-04-11 13:09:20,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 13:09:20,201 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 105 [2018-04-11 13:09:20,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:20,202 INFO L225 Difference]: With dead ends: 325 [2018-04-11 13:09:20,202 INFO L226 Difference]: Without dead ends: 325 [2018-04-11 13:09:20,203 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=915, Invalid=1841, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:09:20,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-04-11 13:09:20,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 144. [2018-04-11 13:09:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-11 13:09:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2018-04-11 13:09:20,206 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 105 [2018-04-11 13:09:20,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:20,206 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2018-04-11 13:09:20,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:09:20,206 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2018-04-11 13:09:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-11 13:09:20,207 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:20,207 INFO L355 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:20,207 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:20,207 INFO L82 PathProgramCache]: Analyzing trace with hash -910182889, now seen corresponding path program 23 times [2018-04-11 13:09:20,207 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:20,222 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:21,003 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:21,003 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 13:09:21,003 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:21,003 INFO L182 omatonBuilderFactory]: Interpolants [8146#true, 8147#false, 8148#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 8149#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 8150#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 8151#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 8152#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 8153#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8154#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8155#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8156#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8157#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8158#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8159#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8160#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8161#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8162#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 8163#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8164#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8165#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8166#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8167#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8168#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8169#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8170#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8171#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8172#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8173#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8174#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 8175#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 8176#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 420) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:21,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:09:21,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:09:21,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=611, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:09:21,005 INFO L87 Difference]: Start difference. First operand 144 states and 146 transitions. Second operand 31 states. [2018-04-11 13:09:21,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:21,996 INFO L93 Difference]: Finished difference Result 337 states and 362 transitions. [2018-04-11 13:09:21,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:09:21,996 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 109 [2018-04-11 13:09:21,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:21,997 INFO L225 Difference]: With dead ends: 337 [2018-04-11 13:09:21,997 INFO L226 Difference]: Without dead ends: 337 [2018-04-11 13:09:21,997 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=990, Invalid=1980, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 13:09:21,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-11 13:09:21,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 148. [2018-04-11 13:09:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-11 13:09:22,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 150 transitions. [2018-04-11 13:09:22,000 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 150 transitions. Word has length 109 [2018-04-11 13:09:22,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:22,000 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 150 transitions. [2018-04-11 13:09:22,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:09:22,000 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 150 transitions. [2018-04-11 13:09:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-04-11 13:09:22,000 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:22,000 INFO L355 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:22,000 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:22,000 INFO L82 PathProgramCache]: Analyzing trace with hash -668790546, now seen corresponding path program 24 times [2018-04-11 13:09:22,001 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:22,013 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:22,610 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:22,610 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:09:22,610 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:22,611 INFO L182 omatonBuilderFactory]: Interpolants [8710#true, 8711#false, 8712#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 8713#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 8714#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 8715#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 8716#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 8717#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8718#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8719#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8720#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8721#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8722#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8723#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8724#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8725#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8726#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 8727#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8728#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8729#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8730#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8731#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8732#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8733#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8734#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8735#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8736#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8737#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8738#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 8739#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 8740#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 8741#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 416) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:22,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 13:09:22,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 13:09:22,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=648, Unknown=0, NotChecked=0, Total=992 [2018-04-11 13:09:22,612 INFO L87 Difference]: Start difference. First operand 148 states and 150 transitions. Second operand 32 states. [2018-04-11 13:09:23,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:23,647 INFO L93 Difference]: Finished difference Result 349 states and 375 transitions. [2018-04-11 13:09:23,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 13:09:23,647 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 113 [2018-04-11 13:09:23,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:23,648 INFO L225 Difference]: With dead ends: 349 [2018-04-11 13:09:23,648 INFO L226 Difference]: Without dead ends: 349 [2018-04-11 13:09:23,649 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1068, Invalid=2124, Unknown=0, NotChecked=0, Total=3192 [2018-04-11 13:09:23,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-04-11 13:09:23,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 152. [2018-04-11 13:09:23,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-04-11 13:09:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 154 transitions. [2018-04-11 13:09:23,653 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 154 transitions. Word has length 113 [2018-04-11 13:09:23,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:23,653 INFO L459 AbstractCegarLoop]: Abstraction has 152 states and 154 transitions. [2018-04-11 13:09:23,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 13:09:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 154 transitions. [2018-04-11 13:09:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-04-11 13:09:23,654 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:23,654 INFO L355 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:23,654 INFO L408 AbstractCegarLoop]: === Iteration 29 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:23,654 INFO L82 PathProgramCache]: Analyzing trace with hash -48289723, now seen corresponding path program 25 times [2018-04-11 13:09:23,655 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:23,676 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:24,320 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:24,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:09:24,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:24,320 INFO L182 omatonBuilderFactory]: Interpolants [9293#true, 9294#false, 9295#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 9296#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 9297#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 9298#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 9299#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 9300#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9301#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9302#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9303#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9304#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9305#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9306#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9307#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9308#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9309#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 9310#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9311#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9312#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9313#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9314#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9315#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9316#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9317#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9318#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9319#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9320#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9321#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9322#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9323#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 9324#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 9325#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 412) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:24,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 13:09:24,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 13:09:24,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=686, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:09:24,321 INFO L87 Difference]: Start difference. First operand 152 states and 154 transitions. Second operand 33 states. [2018-04-11 13:09:25,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:25,434 INFO L93 Difference]: Finished difference Result 361 states and 388 transitions. [2018-04-11 13:09:25,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 13:09:25,434 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 117 [2018-04-11 13:09:25,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:25,435 INFO L225 Difference]: With dead ends: 361 [2018-04-11 13:09:25,435 INFO L226 Difference]: Without dead ends: 361 [2018-04-11 13:09:25,436 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1149, Invalid=2273, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:09:25,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-04-11 13:09:25,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 156. [2018-04-11 13:09:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-11 13:09:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 158 transitions. [2018-04-11 13:09:25,440 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 158 transitions. Word has length 117 [2018-04-11 13:09:25,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:25,440 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 158 transitions. [2018-04-11 13:09:25,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 13:09:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 158 transitions. [2018-04-11 13:09:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-04-11 13:09:25,441 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:25,441 INFO L355 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:25,441 INFO L408 AbstractCegarLoop]: === Iteration 30 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:25,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1929266148, now seen corresponding path program 26 times [2018-04-11 13:09:25,442 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:25,466 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:26,282 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:26,282 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-11 13:09:26,282 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:26,283 INFO L182 omatonBuilderFactory]: Interpolants [9920#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9921#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9922#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9923#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9924#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9925#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9926#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9927#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 9928#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 408) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 9895#true, 9896#false, 9897#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 9898#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 9899#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 9900#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 9901#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 9902#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9903#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9904#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9905#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9906#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9907#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9908#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9909#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9910#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9911#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 9912#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9913#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9914#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9915#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9916#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9917#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9918#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 9919#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:26,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:26,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 13:09:26,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 13:09:26,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=725, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 13:09:26,284 INFO L87 Difference]: Start difference. First operand 156 states and 158 transitions. Second operand 34 states. [2018-04-11 13:09:27,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:27,292 INFO L93 Difference]: Finished difference Result 373 states and 401 transitions. [2018-04-11 13:09:27,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 13:09:27,292 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 121 [2018-04-11 13:09:27,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:27,293 INFO L225 Difference]: With dead ends: 373 [2018-04-11 13:09:27,293 INFO L226 Difference]: Without dead ends: 373 [2018-04-11 13:09:27,294 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1233, Invalid=2427, Unknown=0, NotChecked=0, Total=3660 [2018-04-11 13:09:27,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-04-11 13:09:27,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 160. [2018-04-11 13:09:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-11 13:09:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 162 transitions. [2018-04-11 13:09:27,297 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 162 transitions. Word has length 121 [2018-04-11 13:09:27,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:27,297 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 162 transitions. [2018-04-11 13:09:27,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 13:09:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 162 transitions. [2018-04-11 13:09:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-04-11 13:09:27,298 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:27,298 INFO L355 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:27,298 INFO L408 AbstractCegarLoop]: === Iteration 31 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:27,298 INFO L82 PathProgramCache]: Analyzing trace with hash 2134412403, now seen corresponding path program 27 times [2018-04-11 13:09:27,299 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:27,317 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:28,084 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:28,084 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 13:09:28,084 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:28,084 INFO L182 omatonBuilderFactory]: Interpolants [10516#true, 10517#false, 10518#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 10519#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 10520#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 10521#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 10522#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 10523#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10524#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10525#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10526#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10527#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10528#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10529#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10530#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10531#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10532#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 10533#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10534#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10535#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10536#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10537#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10538#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10539#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10540#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10541#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10542#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10543#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10544#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10545#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10546#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10547#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10548#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 10549#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 10550#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 404) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:28,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 13:09:28,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 13:09:28,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=765, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 13:09:28,085 INFO L87 Difference]: Start difference. First operand 160 states and 162 transitions. Second operand 35 states. [2018-04-11 13:09:29,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:29,215 INFO L93 Difference]: Finished difference Result 385 states and 414 transitions. [2018-04-11 13:09:29,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 13:09:29,215 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 125 [2018-04-11 13:09:29,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:29,216 INFO L225 Difference]: With dead ends: 385 [2018-04-11 13:09:29,216 INFO L226 Difference]: Without dead ends: 385 [2018-04-11 13:09:29,217 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1320, Invalid=2586, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 13:09:29,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-04-11 13:09:29,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 164. [2018-04-11 13:09:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-04-11 13:09:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 166 transitions. [2018-04-11 13:09:29,222 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 166 transitions. Word has length 125 [2018-04-11 13:09:29,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:29,223 INFO L459 AbstractCegarLoop]: Abstraction has 164 states and 166 transitions. [2018-04-11 13:09:29,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 13:09:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 166 transitions. [2018-04-11 13:09:29,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-04-11 13:09:29,224 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:29,224 INFO L355 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:29,224 INFO L408 AbstractCegarLoop]: === Iteration 32 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash -565094070, now seen corresponding path program 28 times [2018-04-11 13:09:29,225 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:29,284 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:30,016 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:30,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-11 13:09:30,017 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:30,017 INFO L182 omatonBuilderFactory]: Interpolants [11156#true, 11157#false, 11158#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 11159#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 11160#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 11161#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 11162#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 11163#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11164#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11165#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11166#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11167#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11168#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11169#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11170#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11171#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11172#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 11173#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11174#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11175#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11176#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11177#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11178#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11179#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11180#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11181#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11182#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11183#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11184#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11185#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11186#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11187#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11188#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11189#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11190#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 11191#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 400) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:30,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 13:09:30,018 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 13:09:30,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=454, Invalid=806, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 13:09:30,019 INFO L87 Difference]: Start difference. First operand 164 states and 166 transitions. Second operand 36 states. [2018-04-11 13:09:31,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:31,180 INFO L93 Difference]: Finished difference Result 397 states and 427 transitions. [2018-04-11 13:09:31,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-11 13:09:31,180 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 129 [2018-04-11 13:09:31,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:31,181 INFO L225 Difference]: With dead ends: 397 [2018-04-11 13:09:31,181 INFO L226 Difference]: Without dead ends: 397 [2018-04-11 13:09:31,181 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1410, Invalid=2750, Unknown=0, NotChecked=0, Total=4160 [2018-04-11 13:09:31,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-04-11 13:09:31,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 168. [2018-04-11 13:09:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-04-11 13:09:31,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 170 transitions. [2018-04-11 13:09:31,184 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 170 transitions. Word has length 129 [2018-04-11 13:09:31,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:31,184 INFO L459 AbstractCegarLoop]: Abstraction has 168 states and 170 transitions. [2018-04-11 13:09:31,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 13:09:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 170 transitions. [2018-04-11 13:09:31,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-04-11 13:09:31,184 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:31,184 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:31,185 INFO L408 AbstractCegarLoop]: === Iteration 33 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:31,185 INFO L82 PathProgramCache]: Analyzing trace with hash 939123361, now seen corresponding path program 29 times [2018-04-11 13:09:31,185 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:31,201 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:31,999 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:31,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-11 13:09:31,999 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:31,999 INFO L182 omatonBuilderFactory]: Interpolants [11840#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11841#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11842#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11843#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11844#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11845#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11846#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11847#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11848#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11849#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 11850#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 11851#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 396) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 11815#true, 11816#false, 11817#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 11818#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 11819#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 11820#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 11821#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 11822#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11823#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11824#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11825#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11826#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11827#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11828#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11829#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11830#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11831#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 11832#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11833#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11834#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11835#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11836#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11837#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11838#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 11839#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:32,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-11 13:09:32,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-11 13:09:32,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=484, Invalid=848, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:09:32,000 INFO L87 Difference]: Start difference. First operand 168 states and 170 transitions. Second operand 37 states. [2018-04-11 13:09:33,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:33,130 INFO L93 Difference]: Finished difference Result 409 states and 440 transitions. [2018-04-11 13:09:33,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 13:09:33,130 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 133 [2018-04-11 13:09:33,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:33,131 INFO L225 Difference]: With dead ends: 409 [2018-04-11 13:09:33,131 INFO L226 Difference]: Without dead ends: 409 [2018-04-11 13:09:33,132 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1503, Invalid=2919, Unknown=0, NotChecked=0, Total=4422 [2018-04-11 13:09:33,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-04-11 13:09:33,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 172. [2018-04-11 13:09:33,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-11 13:09:33,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2018-04-11 13:09:33,134 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 133 [2018-04-11 13:09:33,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:33,135 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2018-04-11 13:09:33,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-11 13:09:33,135 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2018-04-11 13:09:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-04-11 13:09:33,135 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:33,135 INFO L355 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:33,135 INFO L408 AbstractCegarLoop]: === Iteration 34 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:33,135 INFO L82 PathProgramCache]: Analyzing trace with hash 218097784, now seen corresponding path program 30 times [2018-04-11 13:09:33,136 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:33,153 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:33,918 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:33,918 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-11 13:09:33,918 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:33,919 INFO L182 omatonBuilderFactory]: Interpolants [12493#true, 12494#false, 12495#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 12496#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 12497#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 12498#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 12499#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 12500#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12501#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12502#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12503#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12504#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12505#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12506#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12507#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12508#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12509#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 12510#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12511#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12512#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12513#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12514#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12515#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12516#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12517#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12518#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12519#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12520#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12521#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12522#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12523#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12524#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12525#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12526#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 12527#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 12528#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 12529#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 12530#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 392) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:33,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 13:09:33,920 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 13:09:33,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=515, Invalid=891, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 13:09:33,921 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand 38 states. [2018-04-11 13:09:35,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:35,173 INFO L93 Difference]: Finished difference Result 421 states and 453 transitions. [2018-04-11 13:09:35,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 13:09:35,173 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 137 [2018-04-11 13:09:35,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:35,174 INFO L225 Difference]: With dead ends: 421 [2018-04-11 13:09:35,174 INFO L226 Difference]: Without dead ends: 421 [2018-04-11 13:09:35,175 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1599, Invalid=3093, Unknown=0, NotChecked=0, Total=4692 [2018-04-11 13:09:35,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-04-11 13:09:35,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 176. [2018-04-11 13:09:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-04-11 13:09:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 178 transitions. [2018-04-11 13:09:35,177 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 178 transitions. Word has length 137 [2018-04-11 13:09:35,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:35,177 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 178 transitions. [2018-04-11 13:09:35,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-11 13:09:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 178 transitions. [2018-04-11 13:09:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-04-11 13:09:35,178 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:35,178 INFO L355 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:35,178 INFO L408 AbstractCegarLoop]: === Iteration 35 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:35,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1095838415, now seen corresponding path program 31 times [2018-04-11 13:09:35,178 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:35,197 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:36,054 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:36,055 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-11 13:09:36,055 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:36,055 INFO L182 omatonBuilderFactory]: Interpolants [13190#true, 13191#false, 13192#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 13193#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 13194#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 13195#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 13196#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 13197#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13198#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13199#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13200#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13201#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13202#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13203#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13204#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13205#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13206#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 13207#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13208#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13209#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13210#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13211#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13212#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13213#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13214#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13215#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13216#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13217#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13218#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13219#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13220#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13221#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13222#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13223#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13224#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 13225#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13226#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13227#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 13228#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 388) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:36,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-11 13:09:36,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-11 13:09:36,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=935, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 13:09:36,056 INFO L87 Difference]: Start difference. First operand 176 states and 178 transitions. Second operand 39 states. [2018-04-11 13:09:37,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:37,399 INFO L93 Difference]: Finished difference Result 433 states and 466 transitions. [2018-04-11 13:09:37,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 13:09:37,399 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 141 [2018-04-11 13:09:37,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:37,400 INFO L225 Difference]: With dead ends: 433 [2018-04-11 13:09:37,400 INFO L226 Difference]: Without dead ends: 433 [2018-04-11 13:09:37,400 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1698, Invalid=3272, Unknown=0, NotChecked=0, Total=4970 [2018-04-11 13:09:37,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-04-11 13:09:37,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 180. [2018-04-11 13:09:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-11 13:09:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 182 transitions. [2018-04-11 13:09:37,403 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 182 transitions. Word has length 141 [2018-04-11 13:09:37,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:37,404 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 182 transitions. [2018-04-11 13:09:37,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-11 13:09:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 182 transitions. [2018-04-11 13:09:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-04-11 13:09:37,405 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:37,405 INFO L355 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:37,405 INFO L408 AbstractCegarLoop]: === Iteration 36 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:37,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1946457690, now seen corresponding path program 32 times [2018-04-11 13:09:37,406 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:37,441 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:38,369 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:38,369 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-11 13:09:38,369 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:38,369 INFO L182 omatonBuilderFactory]: Interpolants [13906#true, 13907#false, 13908#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 13909#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 13910#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 13911#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 13912#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 13913#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13914#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13915#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13916#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13917#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13918#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13919#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13920#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13921#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13922#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 13923#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13924#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13925#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13926#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13927#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13928#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13929#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13930#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13931#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13932#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13933#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13934#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13935#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13936#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13937#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13938#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13939#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13940#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 13941#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13942#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13943#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 13944#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 13945#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 384) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:38,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 13:09:38,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 13:09:38,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=580, Invalid=980, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:09:38,370 INFO L87 Difference]: Start difference. First operand 180 states and 182 transitions. Second operand 40 states. [2018-04-11 13:09:39,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:39,775 INFO L93 Difference]: Finished difference Result 445 states and 479 transitions. [2018-04-11 13:09:39,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-11 13:09:39,775 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 145 [2018-04-11 13:09:39,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:39,776 INFO L225 Difference]: With dead ends: 445 [2018-04-11 13:09:39,776 INFO L226 Difference]: Without dead ends: 445 [2018-04-11 13:09:39,777 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1800, Invalid=3456, Unknown=0, NotChecked=0, Total=5256 [2018-04-11 13:09:39,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-04-11 13:09:39,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 184. [2018-04-11 13:09:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-11 13:09:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 186 transitions. [2018-04-11 13:09:39,780 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 186 transitions. Word has length 145 [2018-04-11 13:09:39,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:39,780 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 186 transitions. [2018-04-11 13:09:39,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 13:09:39,780 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 186 transitions. [2018-04-11 13:09:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-04-11 13:09:39,781 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:39,781 INFO L355 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:39,781 INFO L408 AbstractCegarLoop]: === Iteration 37 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:39,781 INFO L82 PathProgramCache]: Analyzing trace with hash -416520963, now seen corresponding path program 33 times [2018-04-11 13:09:39,782 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:39,809 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:40,864 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:40,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-11 13:09:40,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:40,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:40,892 INFO L182 omatonBuilderFactory]: Interpolants [14656#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14657#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 14658#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14659#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14660#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14661#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14662#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14663#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14664#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14665#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14666#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14667#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14668#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14669#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14670#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14671#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14672#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14673#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14674#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14675#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 14676#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14677#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14678#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14679#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14680#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 14681#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 380) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 14641#true, 14642#false, 14643#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 14644#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 14645#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 14646#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 14647#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 14648#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14649#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14650#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14651#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14652#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14653#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14654#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 14655#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:40,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-11 13:09:40,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-11 13:09:40,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=614, Invalid=1026, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:09:40,894 INFO L87 Difference]: Start difference. First operand 184 states and 186 transitions. Second operand 41 states. [2018-04-11 13:09:42,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:42,270 INFO L93 Difference]: Finished difference Result 457 states and 492 transitions. [2018-04-11 13:09:42,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 13:09:42,271 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 149 [2018-04-11 13:09:42,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:42,272 INFO L225 Difference]: With dead ends: 457 [2018-04-11 13:09:42,272 INFO L226 Difference]: Without dead ends: 457 [2018-04-11 13:09:42,272 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1905, Invalid=3645, Unknown=0, NotChecked=0, Total=5550 [2018-04-11 13:09:42,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-04-11 13:09:42,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 188. [2018-04-11 13:09:42,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-04-11 13:09:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 190 transitions. [2018-04-11 13:09:42,275 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 190 transitions. Word has length 149 [2018-04-11 13:09:42,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:42,275 INFO L459 AbstractCegarLoop]: Abstraction has 188 states and 190 transitions. [2018-04-11 13:09:42,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-11 13:09:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 190 transitions. [2018-04-11 13:09:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-04-11 13:09:42,276 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:42,276 INFO L355 BasicCegarLoop]: trace histogram [35, 35, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:42,277 INFO L408 AbstractCegarLoop]: === Iteration 38 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:42,277 INFO L82 PathProgramCache]: Analyzing trace with hash 3267796, now seen corresponding path program 34 times [2018-04-11 13:09:42,277 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:42,314 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:43,345 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:43,345 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-11 13:09:43,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:43,346 INFO L182 omatonBuilderFactory]: Interpolants [15424#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15425#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15426#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15427#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15428#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15429#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 15430#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15431#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15432#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15433#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15434#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15435#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 15436#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 376) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 15395#true, 15396#false, 15397#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 15398#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 15399#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 15400#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 15401#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 15402#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15403#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15404#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15405#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15406#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15407#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15408#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15409#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15410#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15411#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 15412#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15413#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15414#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15415#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15416#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15417#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15418#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15419#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15420#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15421#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15422#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 15423#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:43,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-11 13:09:43,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-11 13:09:43,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=649, Invalid=1073, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 13:09:43,347 INFO L87 Difference]: Start difference. First operand 188 states and 190 transitions. Second operand 42 states. [2018-04-11 13:09:44,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:44,704 INFO L93 Difference]: Finished difference Result 469 states and 505 transitions. [2018-04-11 13:09:44,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-11 13:09:44,704 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 153 [2018-04-11 13:09:44,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:44,705 INFO L225 Difference]: With dead ends: 469 [2018-04-11 13:09:44,705 INFO L226 Difference]: Without dead ends: 469 [2018-04-11 13:09:44,706 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2013, Invalid=3839, Unknown=0, NotChecked=0, Total=5852 [2018-04-11 13:09:44,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-04-11 13:09:44,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 192. [2018-04-11 13:09:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-11 13:09:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 194 transitions. [2018-04-11 13:09:44,708 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 194 transitions. Word has length 153 [2018-04-11 13:09:44,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:44,708 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 194 transitions. [2018-04-11 13:09:44,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-11 13:09:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 194 transitions. [2018-04-11 13:09:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-04-11 13:09:44,709 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:44,709 INFO L355 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:44,709 INFO L408 AbstractCegarLoop]: === Iteration 39 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:44,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1485205205, now seen corresponding path program 35 times [2018-04-11 13:09:44,709 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:44,738 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:45,704 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:45,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-11 13:09:45,704 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:45,704 INFO L182 omatonBuilderFactory]: Interpolants [16192#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16193#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16194#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16195#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16196#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16197#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16198#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16199#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16200#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16201#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16202#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 16203#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16204#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16205#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16206#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16207#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16208#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16209#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 16210#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 372) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 16168#true, 16169#false, 16170#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 16171#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 16172#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 16173#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 16174#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 16175#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16176#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16177#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16178#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16179#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16180#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16181#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16182#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16183#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16184#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 16185#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16186#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16187#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16188#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16189#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16190#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16191#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:45,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-11 13:09:45,705 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-11 13:09:45,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=685, Invalid=1121, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 13:09:45,705 INFO L87 Difference]: Start difference. First operand 192 states and 194 transitions. Second operand 43 states. [2018-04-11 13:09:47,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:47,137 INFO L93 Difference]: Finished difference Result 481 states and 518 transitions. [2018-04-11 13:09:47,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-11 13:09:47,137 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 157 [2018-04-11 13:09:47,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:47,138 INFO L225 Difference]: With dead ends: 481 [2018-04-11 13:09:47,138 INFO L226 Difference]: Without dead ends: 481 [2018-04-11 13:09:47,139 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2124, Invalid=4038, Unknown=0, NotChecked=0, Total=6162 [2018-04-11 13:09:47,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-04-11 13:09:47,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 196. [2018-04-11 13:09:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-04-11 13:09:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 198 transitions. [2018-04-11 13:09:47,141 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 198 transitions. Word has length 157 [2018-04-11 13:09:47,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:47,142 INFO L459 AbstractCegarLoop]: Abstraction has 196 states and 198 transitions. [2018-04-11 13:09:47,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-11 13:09:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 198 transitions. [2018-04-11 13:09:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-04-11 13:09:47,142 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:47,142 INFO L355 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:47,142 INFO L408 AbstractCegarLoop]: === Iteration 40 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:47,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1083261442, now seen corresponding path program 36 times [2018-04-11 13:09:47,143 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:47,167 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:48,230 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:48,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-11 13:09:48,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:48,231 INFO L182 omatonBuilderFactory]: Interpolants [16960#true, 16961#false, 16962#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 16963#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 16964#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 16965#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 16966#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 16967#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16968#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16969#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16970#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16971#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16972#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16973#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16974#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16975#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16976#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 16977#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16978#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16979#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16980#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16981#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16982#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16983#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16984#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16985#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16986#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16987#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16988#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16989#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16990#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16991#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16992#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16993#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16994#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 16995#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16996#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16997#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16998#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 16999#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17000#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17001#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17002#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 17003#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 368) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:09:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:48,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-11 13:09:48,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-11 13:09:48,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=1170, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 13:09:48,232 INFO L87 Difference]: Start difference. First operand 196 states and 198 transitions. Second operand 44 states. [2018-04-11 13:09:49,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:49,886 INFO L93 Difference]: Finished difference Result 493 states and 531 transitions. [2018-04-11 13:09:49,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-11 13:09:49,887 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 161 [2018-04-11 13:09:49,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:49,888 INFO L225 Difference]: With dead ends: 493 [2018-04-11 13:09:49,888 INFO L226 Difference]: Without dead ends: 493 [2018-04-11 13:09:49,888 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2238, Invalid=4242, Unknown=0, NotChecked=0, Total=6480 [2018-04-11 13:09:49,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-04-11 13:09:49,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 200. [2018-04-11 13:09:49,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-11 13:09:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 202 transitions. [2018-04-11 13:09:49,892 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 202 transitions. Word has length 161 [2018-04-11 13:09:49,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:49,893 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 202 transitions. [2018-04-11 13:09:49,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-11 13:09:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 202 transitions. [2018-04-11 13:09:49,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-04-11 13:09:49,893 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:49,894 INFO L355 BasicCegarLoop]: trace histogram [38, 38, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:49,894 INFO L408 AbstractCegarLoop]: === Iteration 41 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:49,894 INFO L82 PathProgramCache]: Analyzing trace with hash 841396057, now seen corresponding path program 37 times [2018-04-11 13:09:49,895 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:49,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:50,994 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:50,995 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-04-11 13:09:50,995 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:50,995 INFO L182 omatonBuilderFactory]: Interpolants [17792#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17793#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17794#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17795#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17796#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17797#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17798#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17799#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17800#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17801#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17802#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17803#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17804#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17805#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 17806#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17807#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17808#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17809#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17810#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17811#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17812#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17813#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17814#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 17815#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 364) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 17771#true, 17772#false, 17773#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 17774#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 17775#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 17776#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 17777#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 17778#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17779#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17780#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17781#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17782#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17783#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17784#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17785#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17786#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17787#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 17788#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17789#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17790#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 17791#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:50,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-11 13:09:50,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-11 13:09:50,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=760, Invalid=1220, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 13:09:50,996 INFO L87 Difference]: Start difference. First operand 200 states and 202 transitions. Second operand 45 states. [2018-04-11 13:09:52,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:52,644 INFO L93 Difference]: Finished difference Result 505 states and 544 transitions. [2018-04-11 13:09:52,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-11 13:09:52,644 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 165 [2018-04-11 13:09:52,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:52,645 INFO L225 Difference]: With dead ends: 505 [2018-04-11 13:09:52,645 INFO L226 Difference]: Without dead ends: 505 [2018-04-11 13:09:52,645 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 933 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2355, Invalid=4451, Unknown=0, NotChecked=0, Total=6806 [2018-04-11 13:09:52,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-04-11 13:09:52,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 204. [2018-04-11 13:09:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-04-11 13:09:52,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 206 transitions. [2018-04-11 13:09:52,649 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 206 transitions. Word has length 165 [2018-04-11 13:09:52,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:52,649 INFO L459 AbstractCegarLoop]: Abstraction has 204 states and 206 transitions. [2018-04-11 13:09:52,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-11 13:09:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 206 transitions. [2018-04-11 13:09:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-04-11 13:09:52,649 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:52,649 INFO L355 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:52,650 INFO L408 AbstractCegarLoop]: === Iteration 42 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:52,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1443338544, now seen corresponding path program 38 times [2018-04-11 13:09:52,650 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:52,674 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:53,739 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:53,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-04-11 13:09:53,739 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:53,739 INFO L182 omatonBuilderFactory]: Interpolants [18624#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18625#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18626#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18627#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18628#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18629#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18630#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18631#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18632#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18633#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18634#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18635#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 18636#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18637#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18638#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18639#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18640#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18641#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18642#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18643#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18644#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18645#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 18646#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 360) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 18601#true, 18602#false, 18603#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 18604#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 18605#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 18606#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 18607#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 18608#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18609#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18610#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18611#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18612#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18613#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18614#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18615#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18616#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18617#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 18618#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18619#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18620#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18621#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18622#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 18623#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:53,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-11 13:09:53,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-11 13:09:53,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=799, Invalid=1271, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 13:09:53,740 INFO L87 Difference]: Start difference. First operand 204 states and 206 transitions. Second operand 46 states. [2018-04-11 13:09:55,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:55,402 INFO L93 Difference]: Finished difference Result 517 states and 557 transitions. [2018-04-11 13:09:55,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-11 13:09:55,402 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 169 [2018-04-11 13:09:55,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:55,403 INFO L225 Difference]: With dead ends: 517 [2018-04-11 13:09:55,403 INFO L226 Difference]: Without dead ends: 517 [2018-04-11 13:09:55,404 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 977 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2475, Invalid=4665, Unknown=0, NotChecked=0, Total=7140 [2018-04-11 13:09:55,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-04-11 13:09:55,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 208. [2018-04-11 13:09:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-04-11 13:09:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 210 transitions. [2018-04-11 13:09:55,407 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 210 transitions. Word has length 169 [2018-04-11 13:09:55,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:55,407 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 210 transitions. [2018-04-11 13:09:55,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-11 13:09:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 210 transitions. [2018-04-11 13:09:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-04-11 13:09:55,408 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:55,409 INFO L355 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:55,409 INFO L408 AbstractCegarLoop]: === Iteration 43 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:55,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1763819399, now seen corresponding path program 39 times [2018-04-11 13:09:55,409 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:55,457 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:56,651 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:56,651 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-04-11 13:09:56,651 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:56,651 INFO L182 omatonBuilderFactory]: Interpolants [19456#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 19457#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19458#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19459#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19460#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19461#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19462#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19463#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19464#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19465#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19466#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 19467#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19468#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19469#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19470#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19471#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19472#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19473#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19474#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19475#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19476#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19477#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19478#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19479#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19480#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19481#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19482#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19483#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19484#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 19485#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19486#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19487#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19488#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19489#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19490#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19491#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19492#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 19493#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 19494#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 19495#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 19496#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 356) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 19450#true, 19451#false, 19452#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 19453#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 19454#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 19455#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0))] [2018-04-11 13:09:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:56,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-11 13:09:56,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-11 13:09:56,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=839, Invalid=1323, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 13:09:56,652 INFO L87 Difference]: Start difference. First operand 208 states and 210 transitions. Second operand 47 states. [2018-04-11 13:09:58,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:09:58,445 INFO L93 Difference]: Finished difference Result 529 states and 570 transitions. [2018-04-11 13:09:58,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-11 13:09:58,445 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 173 [2018-04-11 13:09:58,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:09:58,447 INFO L225 Difference]: With dead ends: 529 [2018-04-11 13:09:58,447 INFO L226 Difference]: Without dead ends: 529 [2018-04-11 13:09:58,447 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2598, Invalid=4884, Unknown=0, NotChecked=0, Total=7482 [2018-04-11 13:09:58,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-04-11 13:09:58,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 212. [2018-04-11 13:09:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-04-11 13:09:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 214 transitions. [2018-04-11 13:09:58,451 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 214 transitions. Word has length 173 [2018-04-11 13:09:58,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:09:58,452 INFO L459 AbstractCegarLoop]: Abstraction has 212 states and 214 transitions. [2018-04-11 13:09:58,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-11 13:09:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 214 transitions. [2018-04-11 13:09:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-04-11 13:09:58,453 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:09:58,453 INFO L355 BasicCegarLoop]: trace histogram [41, 41, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:09:58,453 INFO L408 AbstractCegarLoop]: === Iteration 44 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:09:58,453 INFO L82 PathProgramCache]: Analyzing trace with hash 2072175198, now seen corresponding path program 40 times [2018-04-11 13:09:58,454 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:09:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:09:58,487 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:09:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:59,636 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:09:59,636 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-04-11 13:09:59,636 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:09:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:59,637 INFO L182 omatonBuilderFactory]: Interpolants [20352#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 20353#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20354#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20355#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20356#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20357#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20358#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20359#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20360#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20361#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 20362#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20363#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20364#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 20365#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 352) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 20318#true, 20319#false, 20320#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 20321#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 20322#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 20323#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 20324#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 20325#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20326#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20327#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20328#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20329#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20330#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20331#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20332#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20333#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20334#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 20335#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20336#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20337#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20338#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20339#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20340#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20341#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20342#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20343#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20344#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20345#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20346#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20347#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20348#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20349#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20350#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 20351#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:09:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:09:59,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-04-11 13:09:59,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-04-11 13:09:59,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=880, Invalid=1376, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 13:09:59,638 INFO L87 Difference]: Start difference. First operand 212 states and 214 transitions. Second operand 48 states. [2018-04-11 13:10:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:01,299 INFO L93 Difference]: Finished difference Result 541 states and 583 transitions. [2018-04-11 13:10:01,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-11 13:10:01,300 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 177 [2018-04-11 13:10:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:01,301 INFO L225 Difference]: With dead ends: 541 [2018-04-11 13:10:01,301 INFO L226 Difference]: Without dead ends: 541 [2018-04-11 13:10:01,301 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1068 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2724, Invalid=5108, Unknown=0, NotChecked=0, Total=7832 [2018-04-11 13:10:01,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-04-11 13:10:01,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 216. [2018-04-11 13:10:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-04-11 13:10:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 218 transitions. [2018-04-11 13:10:01,304 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 218 transitions. Word has length 177 [2018-04-11 13:10:01,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:01,305 INFO L459 AbstractCegarLoop]: Abstraction has 216 states and 218 transitions. [2018-04-11 13:10:01,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-04-11 13:10:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 218 transitions. [2018-04-11 13:10:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-04-11 13:10:01,306 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:01,306 INFO L355 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:01,306 INFO L408 AbstractCegarLoop]: === Iteration 45 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:01,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1616429493, now seen corresponding path program 41 times [2018-04-11 13:10:01,306 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:01,340 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:02,775 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:02,776 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-04-11 13:10:02,776 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:02,776 INFO L182 omatonBuilderFactory]: Interpolants [21248#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 21249#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21250#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21251#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21252#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 21253#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 348) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 21205#true, 21206#false, 21207#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 21208#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 21209#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 21210#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 21211#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 21212#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21213#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21214#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21215#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21216#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21217#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21218#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21219#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21220#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21221#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 21222#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21223#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21224#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21225#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21226#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21227#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21228#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21229#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21230#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21231#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21232#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21233#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21234#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21235#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21236#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21237#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21238#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21239#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 21240#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21241#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21242#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21243#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21244#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21245#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21246#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 21247#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:10:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:02,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-04-11 13:10:02,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-04-11 13:10:02,777 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=922, Invalid=1430, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 13:10:02,777 INFO L87 Difference]: Start difference. First operand 216 states and 218 transitions. Second operand 49 states. [2018-04-11 13:10:04,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:04,519 INFO L93 Difference]: Finished difference Result 553 states and 596 transitions. [2018-04-11 13:10:04,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-11 13:10:04,519 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 181 [2018-04-11 13:10:04,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:04,520 INFO L225 Difference]: With dead ends: 553 [2018-04-11 13:10:04,520 INFO L226 Difference]: Without dead ends: 553 [2018-04-11 13:10:04,521 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1115 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2853, Invalid=5337, Unknown=0, NotChecked=0, Total=8190 [2018-04-11 13:10:04,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-04-11 13:10:04,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 220. [2018-04-11 13:10:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-04-11 13:10:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 222 transitions. [2018-04-11 13:10:04,523 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 222 transitions. Word has length 181 [2018-04-11 13:10:04,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:04,523 INFO L459 AbstractCegarLoop]: Abstraction has 220 states and 222 transitions. [2018-04-11 13:10:04,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-04-11 13:10:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 222 transitions. [2018-04-11 13:10:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-04-11 13:10:04,524 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:04,524 INFO L355 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:04,524 INFO L408 AbstractCegarLoop]: === Iteration 46 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:04,524 INFO L82 PathProgramCache]: Analyzing trace with hash 502341004, now seen corresponding path program 42 times [2018-04-11 13:10:04,524 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:04,555 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:05,836 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:05,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-04-11 13:10:05,836 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:05,836 INFO L182 omatonBuilderFactory]: Interpolants [22144#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22145#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 22146#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22147#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22148#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22149#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22150#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22151#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22152#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22153#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22154#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 22155#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22156#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22157#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22158#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22159#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 22160#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 344) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 22111#true, 22112#false, 22113#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 22114#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 22115#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 22116#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 22117#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 22118#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22119#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22120#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22121#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22122#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22123#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22124#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22125#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22126#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22127#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 22128#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22129#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22130#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22131#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22132#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22133#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22134#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22135#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22136#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22137#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22138#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22139#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22140#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22141#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22142#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 22143#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:10:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:05,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-04-11 13:10:05,837 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-04-11 13:10:05,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=965, Invalid=1485, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 13:10:05,837 INFO L87 Difference]: Start difference. First operand 220 states and 222 transitions. Second operand 50 states. [2018-04-11 13:10:07,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:07,704 INFO L93 Difference]: Finished difference Result 565 states and 609 transitions. [2018-04-11 13:10:07,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-11 13:10:07,705 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 185 [2018-04-11 13:10:07,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:07,706 INFO L225 Difference]: With dead ends: 565 [2018-04-11 13:10:07,706 INFO L226 Difference]: Without dead ends: 565 [2018-04-11 13:10:07,707 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1163 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2985, Invalid=5571, Unknown=0, NotChecked=0, Total=8556 [2018-04-11 13:10:07,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-04-11 13:10:07,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 224. [2018-04-11 13:10:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-04-11 13:10:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 226 transitions. [2018-04-11 13:10:07,709 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 226 transitions. Word has length 185 [2018-04-11 13:10:07,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:07,709 INFO L459 AbstractCegarLoop]: Abstraction has 224 states and 226 transitions. [2018-04-11 13:10:07,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-04-11 13:10:07,710 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 226 transitions. [2018-04-11 13:10:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-04-11 13:10:07,710 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:07,710 INFO L355 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:07,710 INFO L408 AbstractCegarLoop]: === Iteration 47 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:07,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1572451811, now seen corresponding path program 43 times [2018-04-11 13:10:07,711 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:07,742 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:09,114 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:09,114 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-04-11 13:10:09,114 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:09,115 INFO L182 omatonBuilderFactory]: Interpolants [23040#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 23041#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 23042#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 23043#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23044#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23045#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23046#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23047#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23048#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23049#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23050#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23051#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23052#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 23053#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23054#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23055#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23056#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23057#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23058#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23059#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23060#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23061#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23062#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23063#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23064#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23065#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23066#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23067#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23068#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23069#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23070#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 23071#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23072#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23073#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23074#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23075#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23076#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23077#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23078#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23079#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 23080#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23081#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23082#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23083#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 23084#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 23085#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 23086#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 340) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 23036#true, 23037#false, 23038#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 23039#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|))] [2018-04-11 13:10:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:09,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-11 13:10:09,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-11 13:10:09,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1009, Invalid=1541, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 13:10:09,115 INFO L87 Difference]: Start difference. First operand 224 states and 226 transitions. Second operand 51 states. [2018-04-11 13:10:11,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:11,194 INFO L93 Difference]: Finished difference Result 577 states and 622 transitions. [2018-04-11 13:10:11,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-11 13:10:11,194 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 189 [2018-04-11 13:10:11,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:11,196 INFO L225 Difference]: With dead ends: 577 [2018-04-11 13:10:11,196 INFO L226 Difference]: Without dead ends: 577 [2018-04-11 13:10:11,196 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=3120, Invalid=5810, Unknown=0, NotChecked=0, Total=8930 [2018-04-11 13:10:11,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2018-04-11 13:10:11,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 228. [2018-04-11 13:10:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-11 13:10:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 230 transitions. [2018-04-11 13:10:11,198 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 230 transitions. Word has length 189 [2018-04-11 13:10:11,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:11,199 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 230 transitions. [2018-04-11 13:10:11,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-11 13:10:11,199 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 230 transitions. [2018-04-11 13:10:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-04-11 13:10:11,199 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:11,199 INFO L355 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:11,199 INFO L408 AbstractCegarLoop]: === Iteration 48 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:11,199 INFO L82 PathProgramCache]: Analyzing trace with hash -599766342, now seen corresponding path program 44 times [2018-04-11 13:10:11,200 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:11,235 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:12,687 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:12,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-04-11 13:10:12,687 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:12,687 INFO L182 omatonBuilderFactory]: Interpolants [23980#true, 23981#false, 23982#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 23983#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 23984#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 23985#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 23986#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 23987#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23988#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23989#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23990#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23991#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23992#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23993#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23994#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23995#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23996#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 23997#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23998#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 23999#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24000#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24001#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24002#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24003#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24004#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24005#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24006#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24007#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24008#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24009#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24010#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24011#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24012#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24013#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24014#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 24015#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24016#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24017#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24018#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24019#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24020#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24021#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24022#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24023#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 24024#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24025#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24026#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24027#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 24028#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24029#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 24030#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 24031#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 336) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:10:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:12,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-11 13:10:12,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-11 13:10:12,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1054, Invalid=1598, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 13:10:12,688 INFO L87 Difference]: Start difference. First operand 228 states and 230 transitions. Second operand 52 states. [2018-04-11 13:10:14,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:14,795 INFO L93 Difference]: Finished difference Result 589 states and 635 transitions. [2018-04-11 13:10:14,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-11 13:10:14,795 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 193 [2018-04-11 13:10:14,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:14,797 INFO L225 Difference]: With dead ends: 589 [2018-04-11 13:10:14,797 INFO L226 Difference]: Without dead ends: 589 [2018-04-11 13:10:14,797 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1262 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=3258, Invalid=6054, Unknown=0, NotChecked=0, Total=9312 [2018-04-11 13:10:14,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2018-04-11 13:10:14,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 232. [2018-04-11 13:10:14,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-11 13:10:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 234 transitions. [2018-04-11 13:10:14,800 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 234 transitions. Word has length 193 [2018-04-11 13:10:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:14,800 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 234 transitions. [2018-04-11 13:10:14,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-11 13:10:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 234 transitions. [2018-04-11 13:10:14,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-04-11 13:10:14,801 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:14,801 INFO L355 BasicCegarLoop]: trace histogram [46, 46, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:14,801 INFO L408 AbstractCegarLoop]: === Iteration 49 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:14,801 INFO L82 PathProgramCache]: Analyzing trace with hash -650994671, now seen corresponding path program 45 times [2018-04-11 13:10:14,801 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:14,840 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:16,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:16,240 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:16,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-04-11 13:10:16,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:16,256 INFO L182 omatonBuilderFactory]: Interpolants [24960#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24961#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24962#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24963#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24964#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24965#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24966#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24967#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24968#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24969#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24970#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24971#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24972#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24973#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24974#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24975#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24976#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24977#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 24978#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24979#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24980#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24981#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24982#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24983#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24984#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24985#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24986#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 24987#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24988#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24989#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24990#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 24991#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24992#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24993#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 24994#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 24995#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 332) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 24943#true, 24944#false, 24945#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 24946#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 24947#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 24948#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 24949#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 24950#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24951#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24952#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24953#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24954#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24955#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24956#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24957#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24958#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 24959#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0))] [2018-04-11 13:10:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:16,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-04-11 13:10:16,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-04-11 13:10:16,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1100, Invalid=1656, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:10:16,257 INFO L87 Difference]: Start difference. First operand 232 states and 234 transitions. Second operand 53 states. [2018-04-11 13:10:18,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:18,396 INFO L93 Difference]: Finished difference Result 601 states and 648 transitions. [2018-04-11 13:10:18,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-11 13:10:18,396 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 197 [2018-04-11 13:10:18,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:18,397 INFO L225 Difference]: With dead ends: 601 [2018-04-11 13:10:18,397 INFO L226 Difference]: Without dead ends: 601 [2018-04-11 13:10:18,398 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1313 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=3399, Invalid=6303, Unknown=0, NotChecked=0, Total=9702 [2018-04-11 13:10:18,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-04-11 13:10:18,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 236. [2018-04-11 13:10:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-04-11 13:10:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 238 transitions. [2018-04-11 13:10:18,400 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 238 transitions. Word has length 197 [2018-04-11 13:10:18,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:18,401 INFO L459 AbstractCegarLoop]: Abstraction has 236 states and 238 transitions. [2018-04-11 13:10:18,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-04-11 13:10:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 238 transitions. [2018-04-11 13:10:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-04-11 13:10:18,401 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:18,401 INFO L355 BasicCegarLoop]: trace histogram [47, 47, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:18,401 INFO L408 AbstractCegarLoop]: === Iteration 50 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:18,401 INFO L82 PathProgramCache]: Analyzing trace with hash -2023855640, now seen corresponding path program 46 times [2018-04-11 13:10:18,402 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:18,446 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:19,874 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:19,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-04-11 13:10:19,875 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:19,875 INFO L182 omatonBuilderFactory]: Interpolants [25925#true, 25926#false, 25927#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 25928#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 25929#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 25930#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 25931#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 25932#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25933#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25934#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25935#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25936#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25937#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25938#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25939#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25940#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25941#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 25942#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25943#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25944#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25945#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25946#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25947#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25948#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25949#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25950#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25951#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25952#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25953#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25954#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25955#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25956#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25957#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25958#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25959#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 25960#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25961#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25962#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25963#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25964#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25965#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25966#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25967#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25968#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 25969#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25970#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25971#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25972#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 25973#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25974#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25975#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 25976#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 25977#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 25978#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 328) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:10:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:19,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-04-11 13:10:19,876 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-04-11 13:10:19,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1147, Invalid=1715, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 13:10:19,876 INFO L87 Difference]: Start difference. First operand 236 states and 238 transitions. Second operand 54 states. [2018-04-11 13:10:22,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:22,160 INFO L93 Difference]: Finished difference Result 613 states and 661 transitions. [2018-04-11 13:10:22,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-11 13:10:22,161 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 201 [2018-04-11 13:10:22,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:22,162 INFO L225 Difference]: With dead ends: 613 [2018-04-11 13:10:22,162 INFO L226 Difference]: Without dead ends: 613 [2018-04-11 13:10:22,162 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1365 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=3543, Invalid=6557, Unknown=0, NotChecked=0, Total=10100 [2018-04-11 13:10:22,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2018-04-11 13:10:22,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 240. [2018-04-11 13:10:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-04-11 13:10:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 242 transitions. [2018-04-11 13:10:22,166 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 242 transitions. Word has length 201 [2018-04-11 13:10:22,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:22,166 INFO L459 AbstractCegarLoop]: Abstraction has 240 states and 242 transitions. [2018-04-11 13:10:22,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-04-11 13:10:22,166 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 242 transitions. [2018-04-11 13:10:22,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-04-11 13:10:22,167 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:22,167 INFO L355 BasicCegarLoop]: trace histogram [48, 48, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:22,167 INFO L408 AbstractCegarLoop]: === Iteration 51 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:22,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2092004415, now seen corresponding path program 47 times [2018-04-11 13:10:22,168 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:22,216 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:23,735 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:23,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-04-11 13:10:23,735 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:23,736 INFO L182 omatonBuilderFactory]: Interpolants [26926#true, 26927#false, 26928#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 26929#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 26930#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 26931#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 26932#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 26933#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26934#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26935#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26936#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26937#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26938#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26939#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26940#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26941#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26942#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 26943#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26944#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26945#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26946#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26947#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26948#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26949#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26950#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26951#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26952#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26953#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26954#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26955#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26956#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26957#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26958#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26959#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26960#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 26961#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26962#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26963#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26964#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26965#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26966#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26967#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26968#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26969#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 26970#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26971#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26972#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26973#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 26974#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26975#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26976#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26977#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 26978#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 26979#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 26980#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 324) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:10:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:23,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-04-11 13:10:23,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-04-11 13:10:23,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1195, Invalid=1775, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 13:10:23,736 INFO L87 Difference]: Start difference. First operand 240 states and 242 transitions. Second operand 55 states. [2018-04-11 13:10:26,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:26,139 INFO L93 Difference]: Finished difference Result 625 states and 674 transitions. [2018-04-11 13:10:26,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-11 13:10:26,139 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 205 [2018-04-11 13:10:26,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:26,141 INFO L225 Difference]: With dead ends: 625 [2018-04-11 13:10:26,141 INFO L226 Difference]: Without dead ends: 625 [2018-04-11 13:10:26,141 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3690, Invalid=6816, Unknown=0, NotChecked=0, Total=10506 [2018-04-11 13:10:26,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2018-04-11 13:10:26,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 244. [2018-04-11 13:10:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-04-11 13:10:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 246 transitions. [2018-04-11 13:10:26,145 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 246 transitions. Word has length 205 [2018-04-11 13:10:26,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:26,146 INFO L459 AbstractCegarLoop]: Abstraction has 244 states and 246 transitions. [2018-04-11 13:10:26,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-04-11 13:10:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 246 transitions. [2018-04-11 13:10:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-04-11 13:10:26,147 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:26,147 INFO L355 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:26,147 INFO L408 AbstractCegarLoop]: === Iteration 52 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:26,147 INFO L82 PathProgramCache]: Analyzing trace with hash 574192406, now seen corresponding path program 48 times [2018-04-11 13:10:26,147 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:26,221 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:27,834 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:27,834 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-04-11 13:10:27,834 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:27,834 INFO L182 omatonBuilderFactory]: Interpolants [27946#true, 27947#false, 27948#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 27949#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 27950#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 27951#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 27952#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 27953#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27954#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27955#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27956#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27957#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27958#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27959#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27960#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27961#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27962#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 27963#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27964#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27965#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27966#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27967#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27968#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27969#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27970#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27971#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27972#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27973#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27974#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27975#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27976#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27977#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27978#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27979#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27980#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 27981#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27982#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27983#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27984#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27985#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27986#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27987#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27988#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27989#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 27990#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27991#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27992#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27993#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 27994#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27995#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27996#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27997#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27998#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 27999#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 28000#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 28001#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 320) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:10:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:27,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-04-11 13:10:27,835 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-04-11 13:10:27,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1244, Invalid=1836, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 13:10:27,835 INFO L87 Difference]: Start difference. First operand 244 states and 246 transitions. Second operand 56 states. [2018-04-11 13:10:30,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:30,288 INFO L93 Difference]: Finished difference Result 637 states and 687 transitions. [2018-04-11 13:10:30,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-11 13:10:30,288 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 209 [2018-04-11 13:10:30,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:30,290 INFO L225 Difference]: With dead ends: 637 [2018-04-11 13:10:30,290 INFO L226 Difference]: Without dead ends: 637 [2018-04-11 13:10:30,290 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1472 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3840, Invalid=7080, Unknown=0, NotChecked=0, Total=10920 [2018-04-11 13:10:30,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-04-11 13:10:30,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 248. [2018-04-11 13:10:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-11 13:10:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 250 transitions. [2018-04-11 13:10:30,296 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 250 transitions. Word has length 209 [2018-04-11 13:10:30,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:30,296 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 250 transitions. [2018-04-11 13:10:30,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-04-11 13:10:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 250 transitions. [2018-04-11 13:10:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-04-11 13:10:30,299 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:30,299 INFO L355 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:30,299 INFO L408 AbstractCegarLoop]: === Iteration 53 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:30,299 INFO L82 PathProgramCache]: Analyzing trace with hash 606355053, now seen corresponding path program 49 times [2018-04-11 13:10:30,300 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:30,416 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:31,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:31,942 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:31,943 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-04-11 13:10:31,943 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:31,943 INFO L182 omatonBuilderFactory]: Interpolants [28985#true, 28986#false, 28987#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 28988#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 28989#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 28990#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 28991#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 28992#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 28993#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 28994#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 28995#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 28996#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 28997#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 28998#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 28999#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29000#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29001#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 29002#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29003#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29004#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29005#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29006#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29007#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29008#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29009#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29010#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29011#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29012#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29013#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29014#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29015#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29016#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29017#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29018#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29019#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 29020#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29021#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29022#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29023#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29024#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29025#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29026#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29027#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29028#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 29029#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29030#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29031#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29032#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 29033#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29034#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29035#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29036#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29037#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29038#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 29039#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 29040#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 29041#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 316) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:10:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:31,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-04-11 13:10:31,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-04-11 13:10:31,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1294, Invalid=1898, Unknown=0, NotChecked=0, Total=3192 [2018-04-11 13:10:31,944 INFO L87 Difference]: Start difference. First operand 248 states and 250 transitions. Second operand 57 states. [2018-04-11 13:10:34,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:34,441 INFO L93 Difference]: Finished difference Result 649 states and 700 transitions. [2018-04-11 13:10:34,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-04-11 13:10:34,442 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 213 [2018-04-11 13:10:34,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:34,443 INFO L225 Difference]: With dead ends: 649 [2018-04-11 13:10:34,443 INFO L226 Difference]: Without dead ends: 649 [2018-04-11 13:10:34,443 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1527 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3993, Invalid=7349, Unknown=0, NotChecked=0, Total=11342 [2018-04-11 13:10:34,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2018-04-11 13:10:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 252. [2018-04-11 13:10:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-04-11 13:10:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 254 transitions. [2018-04-11 13:10:34,446 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 254 transitions. Word has length 213 [2018-04-11 13:10:34,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:34,446 INFO L459 AbstractCegarLoop]: Abstraction has 252 states and 254 transitions. [2018-04-11 13:10:34,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-04-11 13:10:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 254 transitions. [2018-04-11 13:10:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-04-11 13:10:34,447 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:34,447 INFO L355 BasicCegarLoop]: trace histogram [51, 51, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:34,447 INFO L408 AbstractCegarLoop]: === Iteration 54 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:34,447 INFO L82 PathProgramCache]: Analyzing trace with hash -507543996, now seen corresponding path program 50 times [2018-04-11 13:10:34,447 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:34,503 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:36,202 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:36,203 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-04-11 13:10:36,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:36,203 INFO L182 omatonBuilderFactory]: Interpolants [30080#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30081#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30082#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30083#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30084#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30085#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30086#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 30087#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30088#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30089#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30090#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 30091#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30092#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30093#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30094#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30095#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30096#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30097#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 30098#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 30099#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 30100#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 312) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 30043#true, 30044#false, 30045#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 30046#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 30047#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 30048#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 30049#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 30050#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30051#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30052#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30053#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30054#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30055#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30056#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30057#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30058#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30059#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 30060#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30061#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30062#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30063#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30064#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30065#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30066#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30067#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30068#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30069#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30070#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30071#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30072#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30073#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30074#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30075#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30076#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30077#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 30078#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 30079#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:10:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:36,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-04-11 13:10:36,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-04-11 13:10:36,204 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1345, Invalid=1961, Unknown=0, NotChecked=0, Total=3306 [2018-04-11 13:10:36,204 INFO L87 Difference]: Start difference. First operand 252 states and 254 transitions. Second operand 58 states. [2018-04-11 13:10:38,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:38,559 INFO L93 Difference]: Finished difference Result 661 states and 713 transitions. [2018-04-11 13:10:38,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-11 13:10:38,559 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 217 [2018-04-11 13:10:38,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:38,561 INFO L225 Difference]: With dead ends: 661 [2018-04-11 13:10:38,561 INFO L226 Difference]: Without dead ends: 661 [2018-04-11 13:10:38,561 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1583 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=4149, Invalid=7623, Unknown=0, NotChecked=0, Total=11772 [2018-04-11 13:10:38,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-04-11 13:10:38,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 256. [2018-04-11 13:10:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-04-11 13:10:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 258 transitions. [2018-04-11 13:10:38,564 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 258 transitions. Word has length 217 [2018-04-11 13:10:38,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:38,564 INFO L459 AbstractCegarLoop]: Abstraction has 256 states and 258 transitions. [2018-04-11 13:10:38,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-04-11 13:10:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 258 transitions. [2018-04-11 13:10:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-04-11 13:10:38,565 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:38,565 INFO L355 BasicCegarLoop]: trace histogram [52, 52, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:38,565 INFO L408 AbstractCegarLoop]: === Iteration 55 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:38,565 INFO L82 PathProgramCache]: Analyzing trace with hash -579274085, now seen corresponding path program 51 times [2018-04-11 13:10:38,566 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:38,619 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:40,375 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:40,376 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-04-11 13:10:40,376 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:40,376 INFO L182 omatonBuilderFactory]: Interpolants [31120#true, 31121#false, 31122#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 31123#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 31124#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 31125#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 31126#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 31127#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31128#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31129#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31130#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31131#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31132#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31133#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31134#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31135#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31136#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 31137#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31138#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31139#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31140#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31141#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31142#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31143#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31144#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31145#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31146#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31147#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31148#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31149#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31150#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31151#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31152#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31153#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31154#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 31155#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31156#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31157#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31158#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31159#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31160#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31161#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31162#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31163#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 31164#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31165#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31166#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31167#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 31168#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31169#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31170#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31171#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31172#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31173#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31174#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 31175#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31176#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 31177#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 31178#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 308) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:10:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:40,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-04-11 13:10:40,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-04-11 13:10:40,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1397, Invalid=2025, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:10:40,377 INFO L87 Difference]: Start difference. First operand 256 states and 258 transitions. Second operand 59 states. [2018-04-11 13:10:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:43,024 INFO L93 Difference]: Finished difference Result 673 states and 726 transitions. [2018-04-11 13:10:43,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-11 13:10:43,025 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 221 [2018-04-11 13:10:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:43,026 INFO L225 Difference]: With dead ends: 673 [2018-04-11 13:10:43,026 INFO L226 Difference]: Without dead ends: 673 [2018-04-11 13:10:43,026 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1640 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=4308, Invalid=7902, Unknown=0, NotChecked=0, Total=12210 [2018-04-11 13:10:43,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-04-11 13:10:43,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 260. [2018-04-11 13:10:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-04-11 13:10:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 262 transitions. [2018-04-11 13:10:43,030 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 262 transitions. Word has length 221 [2018-04-11 13:10:43,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:43,030 INFO L459 AbstractCegarLoop]: Abstraction has 260 states and 262 transitions. [2018-04-11 13:10:43,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-04-11 13:10:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 262 transitions. [2018-04-11 13:10:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-04-11 13:10:43,031 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:43,031 INFO L355 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:43,031 INFO L408 AbstractCegarLoop]: === Iteration 56 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:43,031 INFO L82 PathProgramCache]: Analyzing trace with hash 752776050, now seen corresponding path program 52 times [2018-04-11 13:10:43,031 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:43,083 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:44,921 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:44,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-04-11 13:10:44,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:44,922 INFO L182 omatonBuilderFactory]: Interpolants [32256#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32257#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32258#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32259#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 32260#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32261#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32262#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32263#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 32264#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32265#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32266#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32267#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32268#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32269#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32270#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 32271#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32272#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32273#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 32274#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 32275#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 304) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 32216#true, 32217#false, 32218#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 32219#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 32220#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 32221#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 32222#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 32223#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32224#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32225#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32226#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32227#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32228#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32229#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32230#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32231#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32232#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 32233#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32234#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32235#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32236#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32237#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32238#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32239#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32240#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32241#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32242#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32243#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32244#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32245#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32246#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32247#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32248#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32249#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32250#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 32251#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32252#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32253#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32254#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 32255#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:10:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:44,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-04-11 13:10:44,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-04-11 13:10:44,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1450, Invalid=2090, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 13:10:44,923 INFO L87 Difference]: Start difference. First operand 260 states and 262 transitions. Second operand 60 states. [2018-04-11 13:10:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:47,510 INFO L93 Difference]: Finished difference Result 685 states and 739 transitions. [2018-04-11 13:10:47,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-04-11 13:10:47,510 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 225 [2018-04-11 13:10:47,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:47,512 INFO L225 Difference]: With dead ends: 685 [2018-04-11 13:10:47,512 INFO L226 Difference]: Without dead ends: 685 [2018-04-11 13:10:47,512 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1698 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4470, Invalid=8186, Unknown=0, NotChecked=0, Total=12656 [2018-04-11 13:10:47,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2018-04-11 13:10:47,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 264. [2018-04-11 13:10:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-04-11 13:10:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 266 transitions. [2018-04-11 13:10:47,515 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 266 transitions. Word has length 225 [2018-04-11 13:10:47,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:47,515 INFO L459 AbstractCegarLoop]: Abstraction has 264 states and 266 transitions. [2018-04-11 13:10:47,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-04-11 13:10:47,515 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 266 transitions. [2018-04-11 13:10:47,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-04-11 13:10:47,516 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:47,516 INFO L355 BasicCegarLoop]: trace histogram [54, 54, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:47,516 INFO L408 AbstractCegarLoop]: === Iteration 57 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:47,516 INFO L82 PathProgramCache]: Analyzing trace with hash -392320823, now seen corresponding path program 53 times [2018-04-11 13:10:47,517 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:47,601 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:49,440 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:49,440 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-04-11 13:10:49,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:49,441 INFO L182 omatonBuilderFactory]: Interpolants [33331#true, 33332#false, 33333#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 33334#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 33335#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 33336#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 33337#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 33338#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33339#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33340#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33341#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33342#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33343#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33344#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33345#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33346#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33347#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 33348#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33349#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33350#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33351#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33352#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33353#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33354#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33355#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33356#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33357#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33358#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33359#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33360#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33361#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33362#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33363#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33364#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33365#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 33366#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33367#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33368#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33369#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33370#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33371#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33372#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33373#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33374#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 33375#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33376#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33377#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33378#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 33379#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33380#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33381#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33382#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33383#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33384#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33385#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 33386#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33387#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33388#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 33389#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 33390#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 33391#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 300) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:10:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:49,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-04-11 13:10:49,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-04-11 13:10:49,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1504, Invalid=2156, Unknown=0, NotChecked=0, Total=3660 [2018-04-11 13:10:49,442 INFO L87 Difference]: Start difference. First operand 264 states and 266 transitions. Second operand 61 states. [2018-04-11 13:10:52,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:52,303 INFO L93 Difference]: Finished difference Result 697 states and 752 transitions. [2018-04-11 13:10:52,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-11 13:10:52,303 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 229 [2018-04-11 13:10:52,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:52,304 INFO L225 Difference]: With dead ends: 697 [2018-04-11 13:10:52,304 INFO L226 Difference]: Without dead ends: 697 [2018-04-11 13:10:52,305 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1757 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=4635, Invalid=8475, Unknown=0, NotChecked=0, Total=13110 [2018-04-11 13:10:52,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-04-11 13:10:52,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 268. [2018-04-11 13:10:52,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-04-11 13:10:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 270 transitions. [2018-04-11 13:10:52,308 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 270 transitions. Word has length 229 [2018-04-11 13:10:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:52,308 INFO L459 AbstractCegarLoop]: Abstraction has 268 states and 270 transitions. [2018-04-11 13:10:52,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-04-11 13:10:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 270 transitions. [2018-04-11 13:10:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-04-11 13:10:52,308 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:52,308 INFO L355 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:52,309 INFO L408 AbstractCegarLoop]: === Iteration 58 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:52,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1669047648, now seen corresponding path program 54 times [2018-04-11 13:10:52,309 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:52,362 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:54,153 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:54,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-04-11 13:10:54,153 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:54,154 INFO L182 omatonBuilderFactory]: Interpolants [34465#true, 34466#false, 34467#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 34468#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 34469#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 34470#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 34471#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 34472#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34473#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34474#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34475#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34476#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34477#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34478#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34479#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34480#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34481#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 34482#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34483#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34484#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34485#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34486#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34487#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34488#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34489#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34490#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34491#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34492#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34493#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34494#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34495#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34496#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34497#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34498#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34499#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 34500#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34501#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34502#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34503#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34504#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34505#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34506#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34507#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34508#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 34509#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34510#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34511#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34512#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 34513#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34514#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34515#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34516#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34517#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34518#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34519#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 34520#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34521#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34522#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34523#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34524#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 34525#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 34526#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 296) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:10:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:54,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-04-11 13:10:54,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-04-11 13:10:54,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1559, Invalid=2223, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 13:10:54,155 INFO L87 Difference]: Start difference. First operand 268 states and 270 transitions. Second operand 62 states. [2018-04-11 13:10:57,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:10:57,028 INFO L93 Difference]: Finished difference Result 709 states and 765 transitions. [2018-04-11 13:10:57,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-11 13:10:57,028 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 233 [2018-04-11 13:10:57,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:10:57,029 INFO L225 Difference]: With dead ends: 709 [2018-04-11 13:10:57,030 INFO L226 Difference]: Without dead ends: 709 [2018-04-11 13:10:57,030 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1817 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=4803, Invalid=8769, Unknown=0, NotChecked=0, Total=13572 [2018-04-11 13:10:57,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-04-11 13:10:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 272. [2018-04-11 13:10:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-04-11 13:10:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 274 transitions. [2018-04-11 13:10:57,034 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 274 transitions. Word has length 233 [2018-04-11 13:10:57,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:10:57,034 INFO L459 AbstractCegarLoop]: Abstraction has 272 states and 274 transitions. [2018-04-11 13:10:57,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-04-11 13:10:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 274 transitions. [2018-04-11 13:10:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-04-11 13:10:57,034 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:10:57,034 INFO L355 BasicCegarLoop]: trace histogram [56, 56, 55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:10:57,035 INFO L408 AbstractCegarLoop]: === Iteration 59 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:10:57,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1216329481, now seen corresponding path program 55 times [2018-04-11 13:10:57,035 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:10:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:10:57,094 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:10:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:59,040 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:10:59,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-04-11 13:10:59,040 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:10:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:59,041 INFO L182 omatonBuilderFactory]: Interpolants [35618#true, 35619#false, 35620#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 35621#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 35622#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 35623#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 35624#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 35625#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35626#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35627#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35628#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35629#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35630#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35631#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35632#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35633#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35634#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 35635#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35636#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35637#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35638#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35639#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35640#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35641#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35642#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35643#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35644#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35645#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35646#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35647#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35648#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35649#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35650#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35651#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35652#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 35653#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35654#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35655#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35656#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35657#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35658#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35659#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35660#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35661#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 35662#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35663#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35664#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35665#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 35666#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35667#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35668#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35669#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35670#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35671#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35672#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 35673#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35674#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35675#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35676#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35677#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 35678#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 35679#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 35680#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 292) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:10:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:10:59,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-04-11 13:10:59,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-04-11 13:10:59,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1615, Invalid=2291, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 13:10:59,041 INFO L87 Difference]: Start difference. First operand 272 states and 274 transitions. Second operand 63 states. [2018-04-11 13:11:02,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:02,249 INFO L93 Difference]: Finished difference Result 721 states and 778 transitions. [2018-04-11 13:11:02,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-04-11 13:11:02,249 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 237 [2018-04-11 13:11:02,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:02,250 INFO L225 Difference]: With dead ends: 721 [2018-04-11 13:11:02,251 INFO L226 Difference]: Without dead ends: 721 [2018-04-11 13:11:02,251 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1878 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=4974, Invalid=9068, Unknown=0, NotChecked=0, Total=14042 [2018-04-11 13:11:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-04-11 13:11:02,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 276. [2018-04-11 13:11:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-04-11 13:11:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 278 transitions. [2018-04-11 13:11:02,254 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 278 transitions. Word has length 237 [2018-04-11 13:11:02,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:02,254 INFO L459 AbstractCegarLoop]: Abstraction has 276 states and 278 transitions. [2018-04-11 13:11:02,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-04-11 13:11:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 278 transitions. [2018-04-11 13:11:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-04-11 13:11:02,255 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:02,255 INFO L355 BasicCegarLoop]: trace histogram [57, 57, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:02,255 INFO L408 AbstractCegarLoop]: === Iteration 60 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:02,255 INFO L82 PathProgramCache]: Analyzing trace with hash -73452594, now seen corresponding path program 56 times [2018-04-11 13:11:02,255 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:02,321 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:04,302 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:04,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-04-11 13:11:04,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:04,303 INFO L182 omatonBuilderFactory]: Interpolants [36790#true, 36791#false, 36792#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 36793#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 36794#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 36795#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 36796#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 36797#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36798#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36799#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36800#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36801#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36802#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36803#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36804#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36805#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36806#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 36807#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36808#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36809#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36810#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36811#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36812#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36813#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36814#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36815#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36816#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36817#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36818#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36819#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36820#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36821#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36822#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36823#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36824#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 36825#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36826#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36827#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36828#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36829#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36830#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36831#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36832#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36833#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 36834#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36835#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36836#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36837#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 36838#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36839#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36840#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36841#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36842#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36843#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36844#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 36845#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36846#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36847#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36848#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36849#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36850#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36851#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 36852#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 36853#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 288) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:11:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:04,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-11 13:11:04,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-11 13:11:04,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1672, Invalid=2360, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 13:11:04,303 INFO L87 Difference]: Start difference. First operand 276 states and 278 transitions. Second operand 64 states. [2018-04-11 13:11:07,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:07,393 INFO L93 Difference]: Finished difference Result 733 states and 791 transitions. [2018-04-11 13:11:07,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-04-11 13:11:07,394 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 241 [2018-04-11 13:11:07,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:07,395 INFO L225 Difference]: With dead ends: 733 [2018-04-11 13:11:07,395 INFO L226 Difference]: Without dead ends: 733 [2018-04-11 13:11:07,395 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1940 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=5148, Invalid=9372, Unknown=0, NotChecked=0, Total=14520 [2018-04-11 13:11:07,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2018-04-11 13:11:07,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 280. [2018-04-11 13:11:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-04-11 13:11:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 282 transitions. [2018-04-11 13:11:07,398 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 282 transitions. Word has length 241 [2018-04-11 13:11:07,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:07,399 INFO L459 AbstractCegarLoop]: Abstraction has 280 states and 282 transitions. [2018-04-11 13:11:07,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-11 13:11:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 282 transitions. [2018-04-11 13:11:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-04-11 13:11:07,400 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:07,400 INFO L355 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:07,400 INFO L408 AbstractCegarLoop]: === Iteration 61 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:07,400 INFO L82 PathProgramCache]: Analyzing trace with hash -301016283, now seen corresponding path program 57 times [2018-04-11 13:11:07,401 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:07,466 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:09,454 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:09,455 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-04-11 13:11:09,455 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:09,455 INFO L182 omatonBuilderFactory]: Interpolants [38016#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38017#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38018#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38019#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38020#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38021#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38022#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38023#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38024#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 38025#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38026#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38027#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38028#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 38029#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38030#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38031#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38032#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38033#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38034#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38035#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 38036#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38037#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38038#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38039#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38040#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38041#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38042#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38043#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38044#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 38045#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 284) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 37981#true, 37982#false, 37983#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 37984#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 37985#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 37986#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 37987#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 37988#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37989#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37990#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37991#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37992#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37993#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37994#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37995#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37996#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37997#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 37998#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 37999#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38000#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38001#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38002#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38003#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38004#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38005#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38006#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38007#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38008#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38009#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38010#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38011#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38012#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38013#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38014#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 38015#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0))] [2018-04-11 13:11:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:09,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-04-11 13:11:09,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-04-11 13:11:09,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1730, Invalid=2430, Unknown=0, NotChecked=0, Total=4160 [2018-04-11 13:11:09,456 INFO L87 Difference]: Start difference. First operand 280 states and 282 transitions. Second operand 65 states. [2018-04-11 13:11:12,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:12,497 INFO L93 Difference]: Finished difference Result 745 states and 804 transitions. [2018-04-11 13:11:12,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-04-11 13:11:12,497 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 245 [2018-04-11 13:11:12,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:12,499 INFO L225 Difference]: With dead ends: 745 [2018-04-11 13:11:12,499 INFO L226 Difference]: Without dead ends: 745 [2018-04-11 13:11:12,499 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2003 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=5325, Invalid=9681, Unknown=0, NotChecked=0, Total=15006 [2018-04-11 13:11:12,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-04-11 13:11:12,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 284. [2018-04-11 13:11:12,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-04-11 13:11:12,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 286 transitions. [2018-04-11 13:11:12,502 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 286 transitions. Word has length 245 [2018-04-11 13:11:12,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:12,502 INFO L459 AbstractCegarLoop]: Abstraction has 284 states and 286 transitions. [2018-04-11 13:11:12,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-04-11 13:11:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 286 transitions. [2018-04-11 13:11:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-04-11 13:11:12,503 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:12,503 INFO L355 BasicCegarLoop]: trace histogram [59, 59, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:12,503 INFO L408 AbstractCegarLoop]: === Iteration 62 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:12,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1193082620, now seen corresponding path program 58 times [2018-04-11 13:11:12,504 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:12,570 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:14,745 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:14,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-04-11 13:11:14,745 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:14,746 INFO L182 omatonBuilderFactory]: Interpolants [39191#true, 39192#false, 39193#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 39194#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 39195#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 39196#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 39197#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 39198#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39199#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39200#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39201#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39202#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39203#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39204#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39205#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39206#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39207#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 39208#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39209#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39210#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39211#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39212#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39213#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39214#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39215#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39216#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39217#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39218#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39219#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39220#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39221#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39222#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39223#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39224#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39225#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 39226#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39227#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39228#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39229#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39230#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39231#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39232#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39233#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39234#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 39235#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39236#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39237#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39238#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 39239#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39240#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39241#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39242#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39243#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39244#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39245#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 39246#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39247#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39248#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39249#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39250#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39251#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39252#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39253#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39254#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0)), 39255#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 39256#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 280) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:11:14,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:14,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-04-11 13:11:14,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-04-11 13:11:14,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1789, Invalid=2501, Unknown=0, NotChecked=0, Total=4290 [2018-04-11 13:11:14,747 INFO L87 Difference]: Start difference. First operand 284 states and 286 transitions. Second operand 66 states. [2018-04-11 13:11:18,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:18,086 INFO L93 Difference]: Finished difference Result 757 states and 817 transitions. [2018-04-11 13:11:18,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-04-11 13:11:18,086 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 249 [2018-04-11 13:11:18,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:18,089 INFO L225 Difference]: With dead ends: 757 [2018-04-11 13:11:18,089 INFO L226 Difference]: Without dead ends: 757 [2018-04-11 13:11:18,090 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2067 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=5505, Invalid=9995, Unknown=0, NotChecked=0, Total=15500 [2018-04-11 13:11:18,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2018-04-11 13:11:18,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 288. [2018-04-11 13:11:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-04-11 13:11:18,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 290 transitions. [2018-04-11 13:11:18,096 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 290 transitions. Word has length 249 [2018-04-11 13:11:18,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:18,096 INFO L459 AbstractCegarLoop]: Abstraction has 288 states and 290 transitions. [2018-04-11 13:11:18,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-04-11 13:11:18,096 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 290 transitions. [2018-04-11 13:11:18,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-04-11 13:11:18,097 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:18,097 INFO L355 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:18,097 INFO L408 AbstractCegarLoop]: === Iteration 63 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:18,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1647796051, now seen corresponding path program 59 times [2018-04-11 13:11:18,098 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:18,224 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:20,341 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:20,341 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-04-11 13:11:20,341 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:20,342 INFO L182 omatonBuilderFactory]: Interpolants [40448#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40449#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40450#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40451#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40452#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40453#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40454#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 40455#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40456#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40457#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40458#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40459#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40460#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40461#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40462#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40463#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 40464#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40465#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40466#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40467#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 40468#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40469#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40470#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40471#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40472#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40473#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40474#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 40475#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40476#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40477#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40478#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40479#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40480#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40481#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40482#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40483#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40484#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40485#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 40486#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 276) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 40420#true, 40421#false, 40422#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 40423#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 40424#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 40425#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 40426#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 40427#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40428#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40429#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40430#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40431#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40432#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40433#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40434#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40435#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40436#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 40437#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40438#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40439#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40440#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40441#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40442#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40443#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40444#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40445#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40446#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 40447#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:11:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:20,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-04-11 13:11:20,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-04-11 13:11:20,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1849, Invalid=2573, Unknown=0, NotChecked=0, Total=4422 [2018-04-11 13:11:20,343 INFO L87 Difference]: Start difference. First operand 288 states and 290 transitions. Second operand 67 states. [2018-04-11 13:11:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:23,510 INFO L93 Difference]: Finished difference Result 769 states and 830 transitions. [2018-04-11 13:11:23,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-11 13:11:23,510 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 253 [2018-04-11 13:11:23,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:23,512 INFO L225 Difference]: With dead ends: 769 [2018-04-11 13:11:23,512 INFO L226 Difference]: Without dead ends: 769 [2018-04-11 13:11:23,513 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2132 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=5688, Invalid=10314, Unknown=0, NotChecked=0, Total=16002 [2018-04-11 13:11:23,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2018-04-11 13:11:23,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 292. [2018-04-11 13:11:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-11 13:11:23,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 294 transitions. [2018-04-11 13:11:23,515 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 294 transitions. Word has length 253 [2018-04-11 13:11:23,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:23,516 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 294 transitions. [2018-04-11 13:11:23,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-04-11 13:11:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 294 transitions. [2018-04-11 13:11:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-04-11 13:11:23,516 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:23,516 INFO L355 BasicCegarLoop]: trace histogram [61, 61, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:23,516 INFO L408 AbstractCegarLoop]: === Iteration 64 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:23,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1377059798, now seen corresponding path program 60 times [2018-04-11 13:11:23,517 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:23,589 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:25,827 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:25,827 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-04-11 13:11:25,827 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:25,828 INFO L182 omatonBuilderFactory]: Interpolants [41728#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41729#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41730#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41731#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41732#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41733#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41734#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 41735#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 272) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 41668#true, 41669#false, 41670#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 41671#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 41672#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 41673#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 41674#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 41675#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41676#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41677#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41678#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41679#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41680#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41681#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41682#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41683#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41684#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 41685#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41686#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41687#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41688#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41689#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41690#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41691#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41692#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41693#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41694#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41695#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41696#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41697#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41698#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41699#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41700#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41701#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41702#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 41703#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41704#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41705#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41706#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41707#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41708#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41709#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41710#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41711#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 41712#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41713#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41714#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41715#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 41716#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41717#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41718#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41719#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41720#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41721#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41722#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 41723#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41724#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41725#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41726#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 41727#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:11:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:25,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-04-11 13:11:25,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-04-11 13:11:25,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1910, Invalid=2646, Unknown=0, NotChecked=0, Total=4556 [2018-04-11 13:11:25,829 INFO L87 Difference]: Start difference. First operand 292 states and 294 transitions. Second operand 68 states. [2018-04-11 13:11:28,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:28,863 INFO L93 Difference]: Finished difference Result 781 states and 843 transitions. [2018-04-11 13:11:28,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-11 13:11:28,863 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 257 [2018-04-11 13:11:28,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:28,864 INFO L225 Difference]: With dead ends: 781 [2018-04-11 13:11:28,864 INFO L226 Difference]: Without dead ends: 781 [2018-04-11 13:11:28,865 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2198 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=5874, Invalid=10638, Unknown=0, NotChecked=0, Total=16512 [2018-04-11 13:11:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2018-04-11 13:11:28,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 296. [2018-04-11 13:11:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-04-11 13:11:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 298 transitions. [2018-04-11 13:11:28,868 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 298 transitions. Word has length 257 [2018-04-11 13:11:28,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:28,868 INFO L459 AbstractCegarLoop]: Abstraction has 296 states and 298 transitions. [2018-04-11 13:11:28,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-04-11 13:11:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 298 transitions. [2018-04-11 13:11:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-04-11 13:11:28,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:28,869 INFO L355 BasicCegarLoop]: trace histogram [62, 62, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:28,869 INFO L408 AbstractCegarLoop]: === Iteration 65 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:28,869 INFO L82 PathProgramCache]: Analyzing trace with hash 468178305, now seen corresponding path program 61 times [2018-04-11 13:11:28,869 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:28,936 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:31,166 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:31,166 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-04-11 13:11:31,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:31,166 INFO L182 omatonBuilderFactory]: Interpolants [42935#true, 42936#false, 42937#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 42938#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 42939#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 42940#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 42941#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 42942#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42943#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42944#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42945#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42946#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42947#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42948#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42949#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42950#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42951#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 42952#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42953#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42954#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42955#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42956#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42957#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42958#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42959#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42960#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42961#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42962#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42963#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42964#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42965#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42966#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42967#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42968#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42969#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 42970#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42971#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42972#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42973#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42974#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42975#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42976#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42977#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42978#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 42979#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42980#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42981#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42982#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 42983#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42984#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42985#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42986#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42987#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42988#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42989#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 42990#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42991#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42992#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42993#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42994#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42995#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42996#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42997#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42998#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0)), 42999#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_free_i__n~0)), 43000#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_free_i__n~0)), 43001#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_free_i__n~0)), 43002#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 43003#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 268) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:11:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:31,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-04-11 13:11:31,167 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-04-11 13:11:31,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1972, Invalid=2720, Unknown=0, NotChecked=0, Total=4692 [2018-04-11 13:11:31,167 INFO L87 Difference]: Start difference. First operand 296 states and 298 transitions. Second operand 69 states. [2018-04-11 13:11:34,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:34,641 INFO L93 Difference]: Finished difference Result 793 states and 856 transitions. [2018-04-11 13:11:34,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-11 13:11:34,641 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 261 [2018-04-11 13:11:34,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:34,643 INFO L225 Difference]: With dead ends: 793 [2018-04-11 13:11:34,644 INFO L226 Difference]: Without dead ends: 793 [2018-04-11 13:11:34,644 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2265 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=6063, Invalid=10967, Unknown=0, NotChecked=0, Total=17030 [2018-04-11 13:11:34,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-04-11 13:11:34,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 300. [2018-04-11 13:11:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-04-11 13:11:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 302 transitions. [2018-04-11 13:11:34,647 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 302 transitions. Word has length 261 [2018-04-11 13:11:34,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:34,648 INFO L459 AbstractCegarLoop]: Abstraction has 300 states and 302 transitions. [2018-04-11 13:11:34,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-04-11 13:11:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 302 transitions. [2018-04-11 13:11:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-04-11 13:11:34,648 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:34,648 INFO L355 BasicCegarLoop]: trace histogram [63, 63, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:34,649 INFO L408 AbstractCegarLoop]: === Iteration 66 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:34,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1862702248, now seen corresponding path program 62 times [2018-04-11 13:11:34,649 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:34,727 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:37,047 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:37,047 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-04-11 13:11:37,047 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:37,048 INFO L182 omatonBuilderFactory]: Interpolants [44288#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 44289#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 44290#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 264) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 44221#true, 44222#false, 44223#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 44224#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 44225#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 44226#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 44227#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 44228#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44229#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44230#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44231#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44232#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44233#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44234#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44235#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44236#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44237#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 44238#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44239#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44240#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44241#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44242#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44243#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44244#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44245#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44246#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44247#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44248#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44249#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44250#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44251#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44252#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44253#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44254#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44255#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 44256#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44257#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44258#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44259#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44260#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44261#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44262#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44263#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44264#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 44265#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44266#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44267#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44268#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 44269#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44270#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44271#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44272#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44273#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44274#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44275#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 44276#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44277#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44278#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44279#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44280#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44281#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44282#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44283#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44284#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44285#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44286#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_free_i__n~0)), 44287#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:11:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:37,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-04-11 13:11:37,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-04-11 13:11:37,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2035, Invalid=2795, Unknown=0, NotChecked=0, Total=4830 [2018-04-11 13:11:37,049 INFO L87 Difference]: Start difference. First operand 300 states and 302 transitions. Second operand 70 states. [2018-04-11 13:11:40,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:40,651 INFO L93 Difference]: Finished difference Result 805 states and 869 transitions. [2018-04-11 13:11:40,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-04-11 13:11:40,651 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 265 [2018-04-11 13:11:40,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:40,653 INFO L225 Difference]: With dead ends: 805 [2018-04-11 13:11:40,653 INFO L226 Difference]: Without dead ends: 805 [2018-04-11 13:11:40,653 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2333 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=6255, Invalid=11301, Unknown=0, NotChecked=0, Total=17556 [2018-04-11 13:11:40,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2018-04-11 13:11:40,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 304. [2018-04-11 13:11:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-04-11 13:11:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 306 transitions. [2018-04-11 13:11:40,657 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 306 transitions. Word has length 265 [2018-04-11 13:11:40,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:40,657 INFO L459 AbstractCegarLoop]: Abstraction has 304 states and 306 transitions. [2018-04-11 13:11:40,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-04-11 13:11:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 306 transitions. [2018-04-11 13:11:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-04-11 13:11:40,657 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:40,658 INFO L355 BasicCegarLoop]: trace histogram [64, 64, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:40,658 INFO L408 AbstractCegarLoop]: === Iteration 67 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:40,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1426996655, now seen corresponding path program 63 times [2018-04-11 13:11:40,658 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:40,741 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:43,139 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:43,140 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-04-11 13:11:43,140 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:43,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:43,140 INFO L182 omatonBuilderFactory]: Interpolants [45568#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45569#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 45570#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45571#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45572#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45573#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 45574#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45575#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45576#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45577#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45578#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45579#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45580#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 45581#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45582#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45583#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45584#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45585#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45586#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45587#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45588#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45589#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45590#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45591#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45592#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45593#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45594#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 45595#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 45596#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 260) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 45526#true, 45527#false, 45528#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 45529#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 45530#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 45531#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 45532#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 45533#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45534#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45535#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45536#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45537#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45538#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45539#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45540#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45541#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45542#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 45543#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45544#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45545#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45546#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45547#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45548#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45549#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45550#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45551#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45552#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45553#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45554#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45555#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45556#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45557#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45558#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45559#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45560#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 45561#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45562#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45563#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45564#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45565#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45566#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 45567#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:11:43,140 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:43,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-04-11 13:11:43,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-04-11 13:11:43,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2099, Invalid=2871, Unknown=0, NotChecked=0, Total=4970 [2018-04-11 13:11:43,141 INFO L87 Difference]: Start difference. First operand 304 states and 306 transitions. Second operand 71 states. [2018-04-11 13:11:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:46,615 INFO L93 Difference]: Finished difference Result 817 states and 882 transitions. [2018-04-11 13:11:46,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-04-11 13:11:46,615 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 269 [2018-04-11 13:11:46,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:46,617 INFO L225 Difference]: With dead ends: 817 [2018-04-11 13:11:46,617 INFO L226 Difference]: Without dead ends: 817 [2018-04-11 13:11:46,618 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=6450, Invalid=11640, Unknown=0, NotChecked=0, Total=18090 [2018-04-11 13:11:46,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2018-04-11 13:11:46,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 308. [2018-04-11 13:11:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-04-11 13:11:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 310 transitions. [2018-04-11 13:11:46,624 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 310 transitions. Word has length 269 [2018-04-11 13:11:46,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:46,624 INFO L459 AbstractCegarLoop]: Abstraction has 308 states and 310 transitions. [2018-04-11 13:11:46,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-04-11 13:11:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 310 transitions. [2018-04-11 13:11:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-04-11 13:11:46,625 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:46,625 INFO L355 BasicCegarLoop]: trace histogram [65, 65, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:46,625 INFO L408 AbstractCegarLoop]: === Iteration 68 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:46,626 INFO L82 PathProgramCache]: Analyzing trace with hash -2093740922, now seen corresponding path program 64 times [2018-04-11 13:11:46,626 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:46,770 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:49,177 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:49,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-04-11 13:11:49,177 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:49,178 INFO L182 omatonBuilderFactory]: Interpolants [46850#true, 46851#false, 46852#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 46853#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 46854#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 46855#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 46856#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 46857#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46858#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46859#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46860#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46861#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46862#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46863#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46864#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46865#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46866#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 46867#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46868#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46869#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46870#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46871#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46872#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46873#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46874#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46875#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46876#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46877#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46878#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46879#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46880#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46881#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46882#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46883#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46884#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 46885#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46886#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46887#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46888#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46889#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46890#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46891#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46892#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46893#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 46894#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46895#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46896#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46897#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 46898#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46899#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46900#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46901#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46902#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46903#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46904#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 46905#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46906#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46907#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46908#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46909#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46910#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46911#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46912#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46913#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46914#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46915#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46916#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46917#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46918#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46919#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_free_i__n~0)), 46920#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 64) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 46921#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 256) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:11:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:49,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-04-11 13:11:49,178 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-04-11 13:11:49,178 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2164, Invalid=2948, Unknown=0, NotChecked=0, Total=5112 [2018-04-11 13:11:49,179 INFO L87 Difference]: Start difference. First operand 308 states and 310 transitions. Second operand 72 states. [2018-04-11 13:11:52,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:52,961 INFO L93 Difference]: Finished difference Result 829 states and 895 transitions. [2018-04-11 13:11:52,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-04-11 13:11:52,962 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 273 [2018-04-11 13:11:52,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:52,963 INFO L225 Difference]: With dead ends: 829 [2018-04-11 13:11:52,963 INFO L226 Difference]: Without dead ends: 829 [2018-04-11 13:11:52,964 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2472 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=6648, Invalid=11984, Unknown=0, NotChecked=0, Total=18632 [2018-04-11 13:11:52,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2018-04-11 13:11:52,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 312. [2018-04-11 13:11:52,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-04-11 13:11:52,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 314 transitions. [2018-04-11 13:11:52,967 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 314 transitions. Word has length 273 [2018-04-11 13:11:52,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:52,967 INFO L459 AbstractCegarLoop]: Abstraction has 312 states and 314 transitions. [2018-04-11 13:11:52,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-04-11 13:11:52,968 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 314 transitions. [2018-04-11 13:11:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-04-11 13:11:52,968 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:52,968 INFO L355 BasicCegarLoop]: trace histogram [66, 66, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:52,968 INFO L408 AbstractCegarLoop]: === Iteration 69 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:52,968 INFO L82 PathProgramCache]: Analyzing trace with hash 2040043485, now seen corresponding path program 65 times [2018-04-11 13:11:52,969 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:53,058 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:11:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:55,667 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:11:55,667 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-04-11 13:11:55,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:11:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:55,667 INFO L182 omatonBuilderFactory]: Interpolants [48256#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48257#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48258#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48259#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48260#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48261#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48262#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 64) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48263#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 64) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48264#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 63) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 48265#(and (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 252) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 48193#true, 48194#false, 48195#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 48196#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 48197#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 48198#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 48199#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 48200#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48201#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48202#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48203#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48204#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48205#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48206#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48207#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48208#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48209#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 48210#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48211#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48212#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48213#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48214#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48215#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48216#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48217#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48218#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48219#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48220#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48221#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48222#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48223#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48224#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48225#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48226#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48227#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 48228#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48229#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48230#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48231#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48232#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48233#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48234#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48235#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48236#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 48237#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48238#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48239#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48240#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base))), 48241#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48242#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48243#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48244#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48245#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48246#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48247#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 48248#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48249#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48250#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48251#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48252#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48253#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48254#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 48255#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0))] [2018-04-11 13:11:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:11:55,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-04-11 13:11:55,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-04-11 13:11:55,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2230, Invalid=3026, Unknown=0, NotChecked=0, Total=5256 [2018-04-11 13:11:55,668 INFO L87 Difference]: Start difference. First operand 312 states and 314 transitions. Second operand 73 states. [2018-04-11 13:11:59,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:11:59,226 INFO L93 Difference]: Finished difference Result 841 states and 908 transitions. [2018-04-11 13:11:59,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-04-11 13:11:59,226 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 277 [2018-04-11 13:11:59,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:11:59,228 INFO L225 Difference]: With dead ends: 841 [2018-04-11 13:11:59,228 INFO L226 Difference]: Without dead ends: 841 [2018-04-11 13:11:59,228 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2543 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=6849, Invalid=12333, Unknown=0, NotChecked=0, Total=19182 [2018-04-11 13:11:59,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2018-04-11 13:11:59,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 316. [2018-04-11 13:11:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-04-11 13:11:59,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 318 transitions. [2018-04-11 13:11:59,231 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 318 transitions. Word has length 277 [2018-04-11 13:11:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:11:59,232 INFO L459 AbstractCegarLoop]: Abstraction has 316 states and 318 transitions. [2018-04-11 13:11:59,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-04-11 13:11:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 318 transitions. [2018-04-11 13:11:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-04-11 13:11:59,232 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:11:59,232 INFO L355 BasicCegarLoop]: trace histogram [67, 67, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:11:59,232 INFO L408 AbstractCegarLoop]: === Iteration 70 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:11:59,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1233756084, now seen corresponding path program 66 times [2018-04-11 13:11:59,233 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:11:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:11:59,319 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:12:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:12:02,282 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:12:02,283 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-04-11 13:12:02,283 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:12:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:12:02,283 INFO L182 omatonBuilderFactory]: Interpolants [49555#true, 49556#false, 49557#(<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0), 49558#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| |main_#t~malloc2.base|)) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= 0 |main_#t~malloc2.offset|)), 49559#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0)), 49560#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 128 ~__U_MULTI_f_________false_valid_free_i__n~0) (= __U_MULTI_f_________false_valid_free_i__foo_~i~0 0)), 49561#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 127) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 49562#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 126) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49563#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 125) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49564#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 124) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49565#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 123) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49566#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 122) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49567#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 121) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49568#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 120) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49569#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 119) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49570#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 118) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49571#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 117) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 49572#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 116) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49573#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 115) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49574#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 114) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49575#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 113) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49576#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 112) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49577#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 111) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49578#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 110) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49579#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 109) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49580#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 108) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49581#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 107) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49582#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 106) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49583#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 105) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49584#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 104) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49585#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 103) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49586#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 102) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49587#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 101) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49588#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 100) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49589#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 99) ~__U_MULTI_f_________false_valid_free_i__n~0) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 49590#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 98) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49591#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 97) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49592#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 96) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49593#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 95) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49594#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 94) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49595#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 93) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49596#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 92) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49597#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 91) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49598#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 90) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 49599#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 89) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49600#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 88) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49601#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 87) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49602#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 86) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 49603#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 85) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49604#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 84) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49605#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 83) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49606#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 82) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49607#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 81) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49608#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 80) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49609#(and (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 79) ~__U_MULTI_f_________false_valid_free_i__n~0) (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0)), 49610#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 78) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49611#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 77) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49612#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 76) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49613#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 75) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49614#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 74) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49615#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 73) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49616#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 72) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49617#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 71) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49618#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 70) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49619#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 69) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49620#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 68) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49621#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 67) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49622#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 66) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49623#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 65) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49624#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 64) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49625#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 63) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49626#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= 0 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 63) ~__U_MULTI_f_________false_valid_free_i__n~0)), 49627#(and (= (* 4 ~__U_MULTI_f_________false_valid_free_i__n~0) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ __U_MULTI_f_________false_valid_free_i__foo_~i~0 62) ~__U_MULTI_f_________false_valid_free_i__n~0) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0)))), 49628#(and (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset 0) (<= (+ (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0) 248) (select |#length| ~__U_MULTI_f_________false_valid_free_i__a~0.base)) (<= 4 (+ ~__U_MULTI_f_________false_valid_free_i__a~0.offset (* 4 __U_MULTI_f_________false_valid_free_i__foo_~i~0))))] [2018-04-11 13:12:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:12:02,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-04-11 13:12:02,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-04-11 13:12:02,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2297, Invalid=3105, Unknown=0, NotChecked=0, Total=5402 [2018-04-11 13:12:02,284 INFO L87 Difference]: Start difference. First operand 316 states and 318 transitions. Second operand 74 states. [2018-04-11 13:12:06,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:12:06,323 INFO L93 Difference]: Finished difference Result 853 states and 921 transitions. [2018-04-11 13:12:06,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-04-11 13:12:06,323 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 281 [2018-04-11 13:12:06,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:12:06,325 INFO L225 Difference]: With dead ends: 853 [2018-04-11 13:12:06,325 INFO L226 Difference]: Without dead ends: 853 [2018-04-11 13:12:06,325 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2615 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=7053, Invalid=12687, Unknown=0, NotChecked=0, Total=19740 [2018-04-11 13:12:06,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2018-04-11 13:12:06,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 320. [2018-04-11 13:12:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-04-11 13:12:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 322 transitions. [2018-04-11 13:12:06,329 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 322 transitions. Word has length 281 [2018-04-11 13:12:06,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:12:06,329 INFO L459 AbstractCegarLoop]: Abstraction has 320 states and 322 transitions. [2018-04-11 13:12:06,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-04-11 13:12:06,329 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 322 transitions. [2018-04-11 13:12:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-04-11 13:12:06,330 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:12:06,330 INFO L355 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:12:06,330 INFO L408 AbstractCegarLoop]: === Iteration 71 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 13:12:06,330 INFO L82 PathProgramCache]: Analyzing trace with hash 661971979, now seen corresponding path program 67 times [2018-04-11 13:12:06,330 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:12:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:12:06,458 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-04-11 13:12:06,895 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-11 13:12:06,899 WARN L197 ceAbstractionStarter]: Timeout [2018-04-11 13:12:06,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 01:12:06 BoogieIcfgContainer [2018-04-11 13:12:06,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 13:12:06,899 INFO L168 Benchmark]: Toolchain (without parser) took 186682.83 ms. Allocated memory was 401.1 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 334.2 MB in the beginning and 1.2 GB in the end (delta: -908.9 MB). Peak memory consumption was 254.5 MB. Max. memory is 5.3 GB. [2018-04-11 13:12:06,901 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 401.1 MB. Free memory is still 358.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 13:12:06,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.28 ms. Allocated memory is still 401.1 MB. Free memory was 334.2 MB in the beginning and 310.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 13:12:06,901 INFO L168 Benchmark]: Boogie Preprocessor took 39.53 ms. Allocated memory is still 401.1 MB. Free memory was 310.3 MB in the beginning and 307.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. [2018-04-11 13:12:06,901 INFO L168 Benchmark]: RCFGBuilder took 366.19 ms. Allocated memory was 401.1 MB in the beginning and 612.4 MB in the end (delta: 211.3 MB). Free memory was 307.6 MB in the beginning and 547.1 MB in the end (delta: -239.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-11 13:12:06,901 INFO L168 Benchmark]: TraceAbstraction took 186029.78 ms. Allocated memory was 612.4 MB in the beginning and 1.6 GB in the end (delta: 952.1 MB). Free memory was 547.1 MB in the beginning and 1.2 GB in the end (delta: -696.0 MB). Peak memory consumption was 256.1 MB. Max. memory is 5.3 GB. [2018-04-11 13:12:06,903 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 401.1 MB. Free memory is still 358.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 244.28 ms. Allocated memory is still 401.1 MB. Free memory was 334.2 MB in the beginning and 310.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.53 ms. Allocated memory is still 401.1 MB. Free memory was 310.3 MB in the beginning and 307.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 366.19 ms. Allocated memory was 401.1 MB in the beginning and 612.4 MB in the end (delta: 211.3 MB). Free memory was 307.6 MB in the beginning and 547.1 MB in the end (delta: -239.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 186029.78 ms. Allocated memory was 612.4 MB in the beginning and 1.6 GB in the end (delta: 952.1 MB). Free memory was 547.1 MB in the beginning and 1.2 GB in the end (delta: -696.0 MB). Peak memory consumption was 256.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 625]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 625). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 627). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 627). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 625]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 625). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 629]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 629). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 286 with TraceHistMax 68, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 3. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 61 locations, 17 error locations. TIMEOUT Result, 185.9s OverallTime, 71 OverallIterations, 68 TraceHistogramMax, 109.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2350 SDtfs, 115395 SDslu, 47829 SDs, 0 SdLazy, 54718 SolverSat, 27662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5105 GetRequests, 138 SyntacticMatches, 66 SemanticMatches, 4901 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63902 ImplicationChecksByTransitivity, 125.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=320occurred in iteration=70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/198253 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 70 MinimizatonAttempts, 18023 StatesRemovedByMinimization, 67 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 69.5s InterpolantComputationTime, 10022 NumberOfCodeBlocks, 10022 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 9952 ConstructedInterpolants, 0 QuantifiedInterpolants, 29172956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 70 InterpolantComputations, 4 PerfectInterpolantSequences, 0/198253 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_13-12-06-909.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_13-12-06-909.csv Completed graceful shutdown