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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-properties/simple_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 21:43:39,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 21:43:39,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 21:43:39,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 21:43:39,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 21:43:39,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 21:43:39,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 21:43:39,717 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 21:43:39,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 21:43:39,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 21:43:39,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 21:43:39,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 21:43:39,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 21:43:39,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 21:43:39,722 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 21:43:39,724 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 21:43:39,726 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 21:43:39,728 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 21:43:39,729 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 21:43:39,730 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 21:43:39,732 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 21:43:39,733 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 21:43:39,733 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 21:43:39,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 21:43:39,735 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 21:43:39,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 21:43:39,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 21:43:39,737 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 21:43:39,738 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 21:43:39,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 21:43:39,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 21:43:39,739 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 21:43:39,765 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 21:43:39,766 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 21:43:39,766 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 21:43:39,766 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 21:43:39,767 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 21:43:39,767 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 21:43:39,767 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 21:43:39,768 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 21:43:39,768 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 21:43:39,768 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 21:43:39,768 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 21:43:39,769 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 21:43:39,769 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 21:43:39,769 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 21:43:39,769 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 21:43:39,769 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 21:43:39,770 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 21:43:39,770 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 21:43:39,770 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 21:43:39,770 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 21:43:39,770 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 21:43:39,771 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 21:43:39,771 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 21:43:39,771 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 21:43:39,771 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 21:43:39,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:43:39,772 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 21:43:39,772 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 21:43:39,772 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 21:43:39,772 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 21:43:39,772 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 21:43:39,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:43:39,773 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 21:43:39,774 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 21:43:39,774 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 21:43:39,774 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 21:43:39,774 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 21:43:39,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 21:43:39,822 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 21:43:39,826 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 21:43:39,828 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 21:43:39,828 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 21:43:39,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,134 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe7c5d1870 [2018-03-29 21:43:40,313 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 21:43:40,313 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 21:43:40,314 INFO L168 CDTParser]: Scanning simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,323 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 21:43:40,324 INFO L215 ultiparseSymbolTable]: [2018-03-29 21:43:40,324 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 21:43:40,324 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,324 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit ('exit') in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,324 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 21:43:40,324 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____id_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,324 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,325 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____dev_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,325 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsblkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,325 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fd_set in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,325 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_char in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,325 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_key_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,325 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____off64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,325 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_rwlock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,326 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,326 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fsblkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,326 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,326 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____rlim64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,326 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____blksize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,326 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__blksize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,326 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____qaddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,326 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__caddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,327 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,327 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,327 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ulong in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,327 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_rwlockattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,327 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____caddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,327 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_short in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,327 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__key_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,327 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__clock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,327 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__mode_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,328 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,328 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____ssize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,328 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,328 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,328 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____intptr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,328 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_long in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,328 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,328 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__size_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,329 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__gid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,329 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_mutexattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,329 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____ino_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,329 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____pid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,329 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____timer_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,329 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_short in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,329 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,329 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____sigset_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,329 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____gid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,330 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,330 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____mode_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,330 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,330 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____pthread_list_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,330 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____rlim_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,330 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__blkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,330 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____clockid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,330 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_long in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsblkcnt64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__div_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_char in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____suseconds_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_cond_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__List in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__off_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_barrier_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__uid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____socklen_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__lldiv_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,331 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_attr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__nlink_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fd_mask in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__wchar_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__uint in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__loff_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__dev_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_once_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_condattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_spinlock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__id_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,332 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____daddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fsid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__timer_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__clockid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____clock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____loff_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ssize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____blkcnt64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fd_mask in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____nlink_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____sig_atomic_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__suseconds_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,333 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____ino64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____off_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ino_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fsfilcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__daddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____WAIT_STATUS in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____time_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsfilcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__sigset_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_barrierattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,334 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____swblk_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____blkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____key_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ushort in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ldiv_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_int in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__time_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_mutex_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____useconds_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,335 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsfilcnt64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__register_t in simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:40,356 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe7c5d1870 [2018-03-29 21:43:40,361 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 21:43:40,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 21:43:40,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 21:43:40,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 21:43:40,371 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 21:43:40,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:43:40" (1/1) ... [2018-03-29 21:43:40,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499dbb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40, skipping insertion in model container [2018-03-29 21:43:40,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:43:40" (1/1) ... [2018-03-29 21:43:40,388 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:43:40,419 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:43:40,588 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:43:40,638 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:43:40,645 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-03-29 21:43:40,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40 WrapperNode [2018-03-29 21:43:40,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 21:43:40,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 21:43:40,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 21:43:40,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 21:43:40,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40" (1/1) ... [2018-03-29 21:43:40,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40" (1/1) ... [2018-03-29 21:43:40,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40" (1/1) ... [2018-03-29 21:43:40,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40" (1/1) ... [2018-03-29 21:43:40,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40" (1/1) ... [2018-03-29 21:43:40,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40" (1/1) ... [2018-03-29 21:43:40,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40" (1/1) ... [2018-03-29 21:43:40,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 21:43:40,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 21:43:40,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 21:43:40,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 21:43:40,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40" (1/1) ... No working directory specified, using /storage/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 [2018-03-29 21:43:40,898 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 21:43:40,898 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 21:43:40,898 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit [2018-03-29 21:43:40,899 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 21:43:40,899 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-29 21:43:40,899 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 21:43:40,899 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 21:43:40,899 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 21:43:40,899 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 21:43:40,899 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 21:43:40,899 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 21:43:40,899 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 21:43:40,900 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 21:43:40,900 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 21:43:40,900 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 21:43:40,900 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 21:43:40,900 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 21:43:40,901 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 21:43:40,901 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 21:43:40,901 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 21:43:40,901 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 21:43:40,901 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 21:43:40,901 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 21:43:40,902 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 21:43:40,902 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 21:43:40,902 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 21:43:40,902 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 21:43:40,902 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 21:43:40,902 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 21:43:40,903 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 21:43:40,903 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 21:43:40,903 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 21:43:40,903 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 21:43:40,903 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 21:43:40,903 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 21:43:40,903 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 21:43:40,903 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 21:43:40,904 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 21:43:40,904 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 21:43:40,904 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 21:43:40,904 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 21:43:40,904 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 21:43:40,904 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 21:43:40,904 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 21:43:40,905 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 21:43:40,905 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 21:43:40,905 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 21:43:40,905 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 21:43:40,905 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 21:43:40,905 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 21:43:40,905 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 21:43:40,905 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 21:43:40,906 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 21:43:40,906 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 21:43:40,906 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 21:43:40,906 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 21:43:40,906 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 21:43:40,906 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 21:43:40,906 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 21:43:40,906 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 21:43:40,907 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 21:43:40,907 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 21:43:40,907 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 21:43:40,907 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 21:43:40,907 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 21:43:40,907 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 21:43:40,907 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 21:43:40,907 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit [2018-03-29 21:43:40,908 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 21:43:40,908 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 21:43:40,908 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-29 21:43:40,908 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 21:43:40,908 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 21:43:40,908 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 21:43:40,908 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 21:43:40,908 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 21:43:40,909 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 21:43:40,909 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 21:43:40,909 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 21:43:40,909 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 21:43:40,909 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 21:43:40,909 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 21:43:40,909 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 21:43:40,910 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 21:43:40,910 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 21:43:40,910 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 21:43:40,910 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 21:43:40,910 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 21:43:40,910 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 21:43:40,910 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 21:43:40,910 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 21:43:40,911 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 21:43:40,911 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 21:43:40,911 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 21:43:40,911 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 21:43:40,911 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 21:43:40,911 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 21:43:40,911 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 21:43:40,911 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 21:43:40,912 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 21:43:40,912 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 21:43:40,912 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 21:43:40,912 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 21:43:40,912 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 21:43:40,912 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 21:43:40,912 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 21:43:40,912 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 21:43:40,913 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 21:43:40,913 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 21:43:40,913 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 21:43:40,913 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-29 21:43:40,913 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-29 21:43:40,913 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 21:43:40,913 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 21:43:40,913 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 21:43:40,914 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 21:43:40,914 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 21:43:41,245 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 21:43:41,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:43:41 BoogieIcfgContainer [2018-03-29 21:43:41,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 21:43:41,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 21:43:41,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 21:43:41,248 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 21:43:41,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 09:43:40" (1/3) ... [2018-03-29 21:43:41,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:43:41, skipping insertion in model container [2018-03-29 21:43:41,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:43:40" (2/3) ... [2018-03-29 21:43:41,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:43:41, skipping insertion in model container [2018-03-29 21:43:41,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:43:41" (3/3) ... [2018-03-29 21:43:41,251 INFO L107 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call_false-valid-memtrack.i [2018-03-29 21:43:41,258 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 21:43:41,265 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-03-29 21:43:41,308 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 21:43:41,309 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 21:43:41,309 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 21:43:41,309 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 21:43:41,309 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 21:43:41,309 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 21:43:41,309 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 21:43:41,309 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 21:43:41,309 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 21:43:41,310 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 21:43:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-03-29 21:43:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-03-29 21:43:41,327 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:43:41,327 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:43:41,327 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-03-29 21:43:41,331 INFO L82 PathProgramCache]: Analyzing trace with hash -391805808, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:43:41,343 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:43:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:43:41,375 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:43:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:41,394 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:43:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:41,441 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:43:41,442 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-29 21:43:41,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-03-29 21:43:41,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-03-29 21:43:41,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-29 21:43:41,456 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-03-29 21:43:41,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:43:41,474 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2018-03-29 21:43:41,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-03-29 21:43:41,475 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-03-29 21:43:41,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:43:41,482 INFO L225 Difference]: With dead ends: 88 [2018-03-29 21:43:41,482 INFO L226 Difference]: Without dead ends: 52 [2018-03-29 21:43:41,486 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-29 21:43:41,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-03-29 21:43:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-03-29 21:43:41,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-03-29 21:43:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2018-03-29 21:43:41,523 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 13 [2018-03-29 21:43:41,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:43:41,524 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2018-03-29 21:43:41,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-03-29 21:43:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-03-29 21:43:41,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-29 21:43:41,525 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:43:41,525 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:43:41,525 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-03-29 21:43:41,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1404723843, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:43:41,533 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:43:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:43:41,554 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:43:41,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:43:41,588 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:41,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:41,590 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:43:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:41,611 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:43:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:41,654 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:43:41,654 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:43:41,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:43:41,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:43:41,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:43:41,657 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 5 states. [2018-03-29 21:43:41,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:43:41,834 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2018-03-29 21:43:41,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:43:41,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-03-29 21:43:41,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:43:41,835 INFO L225 Difference]: With dead ends: 71 [2018-03-29 21:43:41,836 INFO L226 Difference]: Without dead ends: 64 [2018-03-29 21:43:41,837 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:43:41,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-03-29 21:43:41,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 58. [2018-03-29 21:43:41,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-03-29 21:43:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2018-03-29 21:43:41,845 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 16 [2018-03-29 21:43:41,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:43:41,845 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2018-03-29 21:43:41,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:43:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2018-03-29 21:43:41,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-29 21:43:41,846 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:43:41,846 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:43:41,846 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-03-29 21:43:41,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1404723844, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:43:41,856 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:43:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:43:41,873 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:43:41,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:43:41,893 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:41,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:41,907 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:43:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:41,942 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:43:42,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:42,077 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:43:42,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-03-29 21:43:42,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 21:43:42,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 21:43:42,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:43:42,079 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand 8 states. [2018-03-29 21:43:42,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:43:42,256 INFO L93 Difference]: Finished difference Result 80 states and 82 transitions. [2018-03-29 21:43:42,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:43:42,257 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-03-29 21:43:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:43:42,258 INFO L225 Difference]: With dead ends: 80 [2018-03-29 21:43:42,258 INFO L226 Difference]: Without dead ends: 73 [2018-03-29 21:43:42,258 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:43:42,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-03-29 21:43:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2018-03-29 21:43:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-03-29 21:43:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2018-03-29 21:43:42,265 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 16 [2018-03-29 21:43:42,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:43:42,265 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2018-03-29 21:43:42,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 21:43:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2018-03-29 21:43:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-03-29 21:43:42,266 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:43:42,266 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:43:42,266 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-03-29 21:43:42,267 INFO L82 PathProgramCache]: Analyzing trace with hash 2104833963, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:43:42,285 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:43:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:43:42,309 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:43:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:42,334 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:43:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:42,365 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:43:42,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-29 21:43:42,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:43:42,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:43:42,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:43:42,366 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand 6 states. [2018-03-29 21:43:42,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:43:42,443 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2018-03-29 21:43:42,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:43:42,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-03-29 21:43:42,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:43:42,445 INFO L225 Difference]: With dead ends: 73 [2018-03-29 21:43:42,445 INFO L226 Difference]: Without dead ends: 70 [2018-03-29 21:43:42,446 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-03-29 21:43:42,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-03-29 21:43:42,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 67. [2018-03-29 21:43:42,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-03-29 21:43:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2018-03-29 21:43:42,454 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 22 [2018-03-29 21:43:42,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:43:42,454 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2018-03-29 21:43:42,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:43:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-03-29 21:43:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-29 21:43:42,456 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:43:42,456 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:43:42,456 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-03-29 21:43:42,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1818936717, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:43:42,470 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:43:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:43:42,493 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:43:42,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:43:42,499 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,502 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:43:42,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:43:42,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:43:42,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,530 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-29 21:43:42,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-29 21:43:42,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:43:42,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,549 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,554 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-29 21:43:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:42,573 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:43:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:42,618 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:43:42,618 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-29 21:43:42,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-29 21:43:42,619 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-29 21:43:42,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:43:42,619 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand 7 states. [2018-03-29 21:43:42,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:43:42,845 INFO L93 Difference]: Finished difference Result 88 states and 90 transitions. [2018-03-29 21:43:42,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 21:43:42,846 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-03-29 21:43:42,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:43:42,847 INFO L225 Difference]: With dead ends: 88 [2018-03-29 21:43:42,847 INFO L226 Difference]: Without dead ends: 86 [2018-03-29 21:43:42,847 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-03-29 21:43:42,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-03-29 21:43:42,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 65. [2018-03-29 21:43:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-03-29 21:43:42,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2018-03-29 21:43:42,856 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 28 [2018-03-29 21:43:42,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:43:42,856 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2018-03-29 21:43:42,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-29 21:43:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2018-03-29 21:43:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-29 21:43:42,858 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:43:42,858 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:43:42,858 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-03-29 21:43:42,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1818936716, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:43:42,873 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:43:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:43:42,893 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:43:42,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:43:42,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,906 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:43:42,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:43:42,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:43:42,925 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,927 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:43:42,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:43:42,938 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,944 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,949 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,950 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-29 21:43:42,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-29 21:43:42,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:43:42,965 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,967 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-29 21:43:42,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-29 21:43:42,979 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,981 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,984 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:42,985 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-29 21:43:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:43,001 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:43:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:43,085 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:43:43,085 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-03-29 21:43:43,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-29 21:43:43,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-29 21:43:43,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-03-29 21:43:43,086 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand 12 states. [2018-03-29 21:43:43,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:43:43,374 INFO L93 Difference]: Finished difference Result 87 states and 89 transitions. [2018-03-29 21:43:43,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-29 21:43:43,375 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-03-29 21:43:43,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:43:43,376 INFO L225 Difference]: With dead ends: 87 [2018-03-29 21:43:43,376 INFO L226 Difference]: Without dead ends: 82 [2018-03-29 21:43:43,377 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-03-29 21:43:43,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-03-29 21:43:43,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 47. [2018-03-29 21:43:43,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-03-29 21:43:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-03-29 21:43:43,384 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 28 [2018-03-29 21:43:43,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:43:43,384 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-03-29 21:43:43,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-29 21:43:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-03-29 21:43:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-29 21:43:43,386 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:43:43,386 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:43:43,386 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-03-29 21:43:43,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1289803974, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:43:43,396 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:43:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:43:43,417 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:43:43,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:43:43,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:43:43,490 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:43:43,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:43:43,507 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,508 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,516 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:43:43,516 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:28 [2018-03-29 21:43:43,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-29 21:43:43,583 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:43:43,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-29 21:43:43,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,588 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-29 21:43:43,607 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:43:43,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-29 21:43:43,608 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,611 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,626 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:49, output treesize:7 [2018-03-29 21:43:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:43,661 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:43:43,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-03-29 21:43:43,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:43:43,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,778 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-03-29 21:43:43,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:43:43,782 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,786 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-03-29 21:43:43,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:43:43,814 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,831 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-03-29 21:43:43,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:43:43,839 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,844 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:43:43,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:43:43,862 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:53, output treesize:24 [2018-03-29 21:43:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:43:43,934 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:43:43,934 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2018-03-29 21:43:43,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-29 21:43:43,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-29 21:43:43,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-03-29 21:43:43,935 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 16 states. [2018-03-29 21:43:44,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:43:44,289 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2018-03-29 21:43:44,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-29 21:43:44,290 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 29 [2018-03-29 21:43:44,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:43:44,291 INFO L225 Difference]: With dead ends: 90 [2018-03-29 21:43:44,291 INFO L226 Difference]: Without dead ends: 76 [2018-03-29 21:43:44,291 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2018-03-29 21:43:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-03-29 21:43:44,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 64. [2018-03-29 21:43:44,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-03-29 21:43:44,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2018-03-29 21:43:44,301 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 29 [2018-03-29 21:43:44,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:43:44,301 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2018-03-29 21:43:44,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-29 21:43:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-03-29 21:43:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-29 21:43:44,302 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:43:44,302 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:43:44,302 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-03-29 21:43:44,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1329216318, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:43:44,309 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:43:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 21:43:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 21:43:44,386 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-03-29 21:43:44,403 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-03-29 21:43:44,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 09:43:44 BoogieIcfgContainer [2018-03-29 21:43:44,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 21:43:44,424 INFO L168 Benchmark]: Toolchain (without parser) took 4061.94 ms. Allocated memory was 305.7 MB in the beginning and 515.9 MB in the end (delta: 210.2 MB). Free memory was 242.6 MB in the beginning and 321.8 MB in the end (delta: -79.3 MB). Peak memory consumption was 131.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:44,425 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 305.7 MB. Free memory is still 267.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:43:44,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.14 ms. Allocated memory is still 305.7 MB. Free memory was 242.6 MB in the beginning and 217.6 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:44,426 INFO L168 Benchmark]: Boogie Preprocessor took 56.53 ms. Allocated memory is still 305.7 MB. Free memory was 217.6 MB in the beginning and 215.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:44,426 INFO L168 Benchmark]: RCFGBuilder took 490.70 ms. Allocated memory was 305.7 MB in the beginning and 469.8 MB in the end (delta: 164.1 MB). Free memory was 215.7 MB in the beginning and 406.4 MB in the end (delta: -190.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:44,427 INFO L168 Benchmark]: TraceAbstraction took 3176.74 ms. Allocated memory was 469.8 MB in the beginning and 515.9 MB in the end (delta: 46.1 MB). Free memory was 406.4 MB in the beginning and 321.8 MB in the end (delta: 84.6 MB). Peak memory consumption was 130.7 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:44,430 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 305.7 MB. Free memory is still 267.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 333.14 ms. Allocated memory is still 305.7 MB. Free memory was 242.6 MB in the beginning and 217.6 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 56.53 ms. Allocated memory is still 305.7 MB. Free memory was 217.6 MB in the beginning and 215.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 490.70 ms. Allocated memory was 305.7 MB in the beginning and 469.8 MB in the end (delta: 164.1 MB). Free memory was 215.7 MB in the beginning and 406.4 MB in the end (delta: -190.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3176.74 ms. Allocated memory was 469.8 MB in the beginning and 515.9 MB in the end (delta: 46.1 MB). Free memory was 406.4 MB in the beginning and 321.8 MB in the end (delta: 84.6 MB). Peak memory consumption was 130.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 626]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 626. Possible FailurePath: [L627] EXPR, FCALL malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={14:0}] [L627] List a = (List) malloc(sizeof(struct node)); VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L628] COND FALSE !(a == 0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L629] List t; VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L630] List p = a; VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L638] FCALL p->h = 1 VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L639] FCALL p->n = 0 VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L640] p = a VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L641] COND TRUE p!=0 VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L642] EXPR, FCALL p->h VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}, p->h=1] [L642] COND FALSE !(p->h != 1) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}, p->h=1] [L645] EXPR, FCALL p->n VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}, p->n={0:0}] [L645] p = p->n VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={0:0}, p->n={0:0}] [L641] COND FALSE !(p!=0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={0:0}] [L647] return 0; VAL [\result=0, a={14:0}, malloc(sizeof(struct node))={14:0}, p={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 63 locations, 15 error locations. UNSAFE Result, 3.1s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 280 SDtfs, 909 SDslu, 717 SDs, 0 SdLazy, 587 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 255 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 290 ConstructedInterpolants, 8 QuantifiedInterpolants, 37974 SizeOfPredicates, 48 NumberOfNonLiveVariables, 525 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 14/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_21-43-44-440.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_21-43-44-440.csv Received shutdown request...