java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/list-properties/simple_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 11:28:40,512 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 11:28:40,513 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 11:28:40,525 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 11:28:40,526 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 11:28:40,526 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 11:28:40,527 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 11:28:40,528 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 11:28:40,530 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 11:28:40,530 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 11:28:40,531 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 11:28:40,531 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 11:28:40,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 11:28:40,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 11:28:40,534 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 11:28:40,535 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 11:28:40,536 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 11:28:40,538 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 11:28:40,539 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 11:28:40,540 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 11:28:40,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-13 11:28:40,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 11:28:40,546 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 11:28:40,546 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-13 11:28:40,555 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 11:28:40,555 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 11:28:40,556 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 11:28:40,556 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 11:28:40,556 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 11:28:40,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 11:28:40,556 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 11:28:40,556 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 11:28:40,556 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 11:28:40,557 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 11:28:40,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 11:28:40,557 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 11:28:40,557 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 11:28:40,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 11:28:40,557 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 11:28:40,557 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 11:28:40,557 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 11:28:40,557 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 11:28:40,557 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 11:28:40,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 11:28:40,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 11:28:40,558 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 11:28:40,558 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 11:28:40,558 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 11:28:40,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 11:28:40,591 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 11:28:40,594 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 11:28:40,595 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 11:28:40,595 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 11:28:40,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:40,885 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc34b51fbf [2018-04-13 11:28:41,013 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 11:28:41,013 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 11:28:41,013 INFO L168 CDTParser]: Scanning simple_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:41,020 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 11:28:41,020 INFO L215 ultiparseSymbolTable]: [2018-04-13 11:28:41,020 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 11:28:41,020 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in simple_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:41,020 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 [2018-04-13 11:28:41,020 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 11:28:41,021 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 [2018-04-13 11:28:41,021 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 [2018-04-13 11:28:41,021 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 [2018-04-13 11:28:41,021 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 [2018-04-13 11:28:41,021 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 [2018-04-13 11:28:41,021 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 [2018-04-13 11:28:41,021 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 [2018-04-13 11:28:41,021 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 [2018-04-13 11:28:41,021 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 [2018-04-13 11:28:41,022 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 [2018-04-13 11:28:41,022 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 [2018-04-13 11:28:41,022 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 [2018-04-13 11:28:41,022 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 [2018-04-13 11:28:41,022 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 [2018-04-13 11:28:41,022 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 [2018-04-13 11:28:41,022 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 [2018-04-13 11:28:41,022 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 [2018-04-13 11:28:41,022 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 [2018-04-13 11:28:41,023 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 [2018-04-13 11:28:41,023 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 [2018-04-13 11:28:41,023 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 [2018-04-13 11:28:41,023 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 [2018-04-13 11:28:41,023 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 [2018-04-13 11:28:41,023 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 [2018-04-13 11:28:41,023 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 [2018-04-13 11:28:41,023 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,024 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,025 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,026 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,027 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,028 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,029 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,030 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 [2018-04-13 11:28:41,031 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 [2018-04-13 11:28:41,031 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 [2018-04-13 11:28:41,031 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 [2018-04-13 11:28:41,031 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 [2018-04-13 11:28:41,044 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc34b51fbf [2018-04-13 11:28:41,047 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 11:28:41,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 11:28:41,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 11:28:41,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 11:28:41,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 11:28:41,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 11:28:41" (1/1) ... [2018-04-13 11:28:41,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75405684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41, skipping insertion in model container [2018-04-13 11:28:41,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 11:28:41" (1/1) ... [2018-04-13 11:28:41,070 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 11:28:41,092 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 11:28:41,219 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 11:28:41,249 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 11:28:41,255 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-13 11:28:41,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41 WrapperNode [2018-04-13 11:28:41,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 11:28:41,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 11:28:41,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 11:28:41,291 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 11:28:41,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41" (1/1) ... [2018-04-13 11:28:41,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41" (1/1) ... [2018-04-13 11:28:41,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41" (1/1) ... [2018-04-13 11:28:41,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41" (1/1) ... [2018-04-13 11:28:41,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41" (1/1) ... [2018-04-13 11:28:41,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41" (1/1) ... [2018-04-13 11:28:41,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41" (1/1) ... [2018-04-13 11:28:41,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 11:28:41,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 11:28:41,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 11:28:41,331 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 11:28:41,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 11:28:41,423 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 11:28:41,424 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 11:28:41,425 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit [2018-04-13 11:28:41,425 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 11:28:41,425 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 11:28:41,425 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 11:28:41,425 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 11:28:41,425 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 11:28:41,425 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 11:28:41,425 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 11:28:41,425 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 11:28:41,425 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 11:28:41,426 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 11:28:41,427 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 11:28:41,427 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 11:28:41,427 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 11:28:41,427 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 11:28:41,427 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 11:28:41,427 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 11:28:41,427 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 11:28:41,427 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 11:28:41,427 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 11:28:41,428 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 11:28:41,428 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 11:28:41,428 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 11:28:41,428 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 11:28:41,428 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 11:28:41,428 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 11:28:41,428 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 11:28:41,428 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 11:28:41,428 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 11:28:41,429 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 11:28:41,430 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 11:28:41,430 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 11:28:41,430 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 11:28:41,430 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 11:28:41,430 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 11:28:41,430 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 11:28:41,430 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 11:28:41,430 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 11:28:41,430 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 11:28:41,431 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 11:28:41,431 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 11:28:41,431 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 11:28:41,431 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 11:28:41,431 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 11:28:41,431 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 11:28:41,431 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 11:28:41,431 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 11:28:41,431 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 11:28:41,432 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 11:28:41,433 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 11:28:41,434 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 11:28:41,434 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 11:28:41,434 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 11:28:41,434 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 11:28:41,434 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 11:28:41,434 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 11:28:41,434 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 11:28:41,434 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 11:28:41,434 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 11:28:41,435 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 11:28:41,435 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 11:28:41,436 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 11:28:41,437 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 11:28:41,437 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-13 11:28:41,437 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-13 11:28:41,437 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 11:28:41,437 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 11:28:41,437 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 11:28:41,437 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 11:28:41,437 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 11:28:41,677 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 11:28:41,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 11:28:41 BoogieIcfgContainer [2018-04-13 11:28:41,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 11:28:41,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 11:28:41,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 11:28:41,680 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 11:28:41,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 11:28:41" (1/3) ... [2018-04-13 11:28:41,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435d8456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 11:28:41, skipping insertion in model container [2018-04-13 11:28:41,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:41" (2/3) ... [2018-04-13 11:28:41,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435d8456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 11:28:41, skipping insertion in model container [2018-04-13 11:28:41,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 11:28:41" (3/3) ... [2018-04-13 11:28:41,682 INFO L107 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:41,688 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 11:28:41,692 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-13 11:28:41,718 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 11:28:41,719 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 11:28:41,719 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 11:28:41,719 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 11:28:41,719 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 11:28:41,719 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 11:28:41,719 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 11:28:41,719 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 11:28:41,719 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 11:28:41,720 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 11:28:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-04-13 11:28:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-13 11:28:41,733 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:41,733 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:41,733 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-13 11:28:41,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1368533979, now seen corresponding path program 1 times [2018-04-13 11:28:41,737 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:41,737 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:41,764 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:41,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:41,764 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:41,791 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:41,811 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:41,811 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 11:28:41,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-13 11:28:41,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-13 11:28:41,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-13 11:28:41,822 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2018-04-13 11:28:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:41,835 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-04-13 11:28:41,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-13 11:28:41,835 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-04-13 11:28:41,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:41,840 INFO L225 Difference]: With dead ends: 53 [2018-04-13 11:28:41,840 INFO L226 Difference]: Without dead ends: 45 [2018-04-13 11:28:41,841 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-13 11:28:41,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-13 11:28:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-13 11:28:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-13 11:28:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-04-13 11:28:41,864 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 11 [2018-04-13 11:28:41,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:41,865 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-04-13 11:28:41,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-13 11:28:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-04-13 11:28:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-13 11:28:41,866 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:41,866 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:41,866 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-13 11:28:41,866 INFO L82 PathProgramCache]: Analyzing trace with hash -902022594, now seen corresponding path program 1 times [2018-04-13 11:28:41,866 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:41,866 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:41,867 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:41,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:41,867 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:41,879 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:41,916 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:41,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 11:28:41,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:28:41,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:28:41,918 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:28:41,918 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 5 states. [2018-04-13 11:28:42,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:42,017 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-04-13 11:28:42,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 11:28:42,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-13 11:28:42,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:42,018 INFO L225 Difference]: With dead ends: 55 [2018-04-13 11:28:42,018 INFO L226 Difference]: Without dead ends: 55 [2018-04-13 11:28:42,018 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:28:42,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-13 11:28:42,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2018-04-13 11:28:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-13 11:28:42,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2018-04-13 11:28:42,021 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 13 [2018-04-13 11:28:42,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:42,022 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2018-04-13 11:28:42,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:28:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2018-04-13 11:28:42,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-13 11:28:42,022 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:42,022 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:42,022 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-13 11:28:42,022 INFO L82 PathProgramCache]: Analyzing trace with hash -902022593, now seen corresponding path program 1 times [2018-04-13 11:28:42,022 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:42,022 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:42,023 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:42,023 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:42,034 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:42,074 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:42,075 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 11:28:42,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:28:42,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:28:42,075 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:28:42,075 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 5 states. [2018-04-13 11:28:42,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:42,162 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2018-04-13 11:28:42,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 11:28:42,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-13 11:28:42,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:42,163 INFO L225 Difference]: With dead ends: 63 [2018-04-13 11:28:42,163 INFO L226 Difference]: Without dead ends: 63 [2018-04-13 11:28:42,163 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:28:42,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-13 11:28:42,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2018-04-13 11:28:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-13 11:28:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-04-13 11:28:42,168 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 13 [2018-04-13 11:28:42,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:42,168 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-04-13 11:28:42,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:28:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-04-13 11:28:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-13 11:28:42,169 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:42,169 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:42,169 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-13 11:28:42,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1180044518, now seen corresponding path program 1 times [2018-04-13 11:28:42,169 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:42,169 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:42,170 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:42,170 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:42,180 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:42,218 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:42,219 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 11:28:42,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:28:42,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:28:42,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:28:42,219 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 5 states. [2018-04-13 11:28:42,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:42,272 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-04-13 11:28:42,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 11:28:42,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-13 11:28:42,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:42,274 INFO L225 Difference]: With dead ends: 60 [2018-04-13 11:28:42,274 INFO L226 Difference]: Without dead ends: 60 [2018-04-13 11:28:42,274 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:28:42,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-13 11:28:42,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2018-04-13 11:28:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-13 11:28:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-04-13 11:28:42,278 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 19 [2018-04-13 11:28:42,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:42,278 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-04-13 11:28:42,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:28:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-04-13 11:28:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-13 11:28:42,279 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:42,279 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] [2018-04-13 11:28:42,279 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-13 11:28:42,280 INFO L82 PathProgramCache]: Analyzing trace with hash 323310663, now seen corresponding path program 1 times [2018-04-13 11:28:42,280 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:42,280 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:42,281 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:42,281 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:42,292 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:42,346 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:42,346 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 11:28:42,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 11:28:42,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 11:28:42,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:28:42,347 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 7 states. [2018-04-13 11:28:42,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:42,449 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2018-04-13 11:28:42,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 11:28:42,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-04-13 11:28:42,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:42,450 INFO L225 Difference]: With dead ends: 73 [2018-04-13 11:28:42,450 INFO L226 Difference]: Without dead ends: 73 [2018-04-13 11:28:42,451 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-04-13 11:28:42,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-13 11:28:42,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 55. [2018-04-13 11:28:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-13 11:28:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2018-04-13 11:28:42,453 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 23 [2018-04-13 11:28:42,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:42,454 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2018-04-13 11:28:42,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 11:28:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-04-13 11:28:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-13 11:28:42,454 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:42,454 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] [2018-04-13 11:28:42,454 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-13 11:28:42,454 INFO L82 PathProgramCache]: Analyzing trace with hash 323310664, now seen corresponding path program 1 times [2018-04-13 11:28:42,454 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:42,454 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:42,455 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:42,455 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:42,466 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:42,505 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:42,505 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 11:28:42,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 11:28:42,506 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 11:28:42,506 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:28:42,506 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 7 states. [2018-04-13 11:28:42,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:42,660 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2018-04-13 11:28:42,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 11:28:42,661 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-04-13 11:28:42,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:42,661 INFO L225 Difference]: With dead ends: 69 [2018-04-13 11:28:42,661 INFO L226 Difference]: Without dead ends: 69 [2018-04-13 11:28:42,662 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-13 11:28:42,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-13 11:28:42,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 39. [2018-04-13 11:28:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-13 11:28:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-04-13 11:28:42,664 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 23 [2018-04-13 11:28:42,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:42,664 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-04-13 11:28:42,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 11:28:42,664 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-04-13 11:28:42,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-13 11:28:42,664 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:42,664 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] [2018-04-13 11:28:42,664 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-13 11:28:42,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1258359112, now seen corresponding path program 1 times [2018-04-13 11:28:42,665 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:42,665 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:42,665 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:42,665 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:42,676 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:42,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:42,760 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:28:42,760 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:28:42,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:42,788 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:28:42,815 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 [2018-04-13 11:28:42,816 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,819 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:28:42,900 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 13 treesize of output 3 [2018-04-13 11:28:42,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,913 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 [2018-04-13 11:28:42,915 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 [2018-04-13 11:28:42,916 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,917 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,924 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 [2018-04-13 11:28:42,925 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 [2018-04-13 11:28:42,926 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,928 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:28:42,933 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:48, output treesize:28 [2018-04-13 11:28:42,950 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 15 treesize of output 11 [2018-04-13 11:28:42,953 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 11 treesize of output 3 [2018-04-13 11:28:42,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,958 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 15 treesize of output 11 [2018-04-13 11:28:42,960 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 11 treesize of output 3 [2018-04-13 11:28:42,960 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,960 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:28:42,962 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2018-04-13 11:28:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:42,973 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 11:28:42,973 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 13 [2018-04-13 11:28:42,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 11:28:42,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 11:28:42,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-13 11:28:42,973 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 13 states. [2018-04-13 11:28:43,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:43,236 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2018-04-13 11:28:43,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 11:28:43,237 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-04-13 11:28:43,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:43,237 INFO L225 Difference]: With dead ends: 64 [2018-04-13 11:28:43,237 INFO L226 Difference]: Without dead ends: 64 [2018-04-13 11:28:43,238 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2018-04-13 11:28:43,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-13 11:28:43,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 53. [2018-04-13 11:28:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-13 11:28:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-04-13 11:28:43,240 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 24 [2018-04-13 11:28:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:43,240 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-04-13 11:28:43,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 11:28:43,240 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-04-13 11:28:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-13 11:28:43,241 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:43,241 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] [2018-04-13 11:28:43,241 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-13 11:28:43,241 INFO L82 PathProgramCache]: Analyzing trace with hash 354425464, now seen corresponding path program 1 times [2018-04-13 11:28:43,241 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:43,241 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:43,242 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:43,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:43,242 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-13 11:28:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-13 11:28:43,271 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-13 11:28:43,279 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-13 11:28:43,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 11:28:43 BoogieIcfgContainer [2018-04-13 11:28:43,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 11:28:43,288 INFO L168 Benchmark]: Toolchain (without parser) took 2240.76 ms. Allocated memory was 402.1 MB in the beginning and 635.4 MB in the end (delta: 233.3 MB). Free memory was 338.4 MB in the beginning and 460.6 MB in the end (delta: -122.2 MB). Peak memory consumption was 111.1 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:43,289 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 402.1 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 11:28:43,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.68 ms. Allocated memory is still 402.1 MB. Free memory was 338.4 MB in the beginning and 314.4 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:43,290 INFO L168 Benchmark]: Boogie Preprocessor took 38.89 ms. Allocated memory is still 402.1 MB. Free memory was 314.4 MB in the beginning and 311.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:43,290 INFO L168 Benchmark]: RCFGBuilder took 347.75 ms. Allocated memory was 402.1 MB in the beginning and 605.0 MB in the end (delta: 202.9 MB). Free memory was 311.8 MB in the beginning and 540.3 MB in the end (delta: -228.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:43,290 INFO L168 Benchmark]: TraceAbstraction took 1609.46 ms. Allocated memory was 605.0 MB in the beginning and 635.4 MB in the end (delta: 30.4 MB). Free memory was 540.3 MB in the beginning and 460.6 MB in the end (delta: 79.7 MB). Peak memory consumption was 110.1 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:43,292 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 402.1 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 241.68 ms. Allocated memory is still 402.1 MB. Free memory was 338.4 MB in the beginning and 314.4 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.89 ms. Allocated memory is still 402.1 MB. Free memory was 314.4 MB in the beginning and 311.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 347.75 ms. Allocated memory was 402.1 MB in the beginning and 605.0 MB in the end (delta: 202.9 MB). Free memory was 311.8 MB in the beginning and 540.3 MB in the end (delta: -228.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1609.46 ms. Allocated memory was 605.0 MB in the beginning and 635.4 MB in the end (delta: 30.4 MB). Free memory was 540.3 MB in the beginning and 460.6 MB in the end (delta: 79.7 MB). Peak memory consumption was 110.1 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: - CounterExampleResult [Line: 626]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L627] EXPR, FCALL malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={10:0}] [L627] List a = (List) malloc(sizeof(struct node)); VAL [a={10:0}, malloc(sizeof(struct node))={10:0}] [L628] COND FALSE !(a == 0) VAL [a={10:0}, malloc(sizeof(struct node))={10:0}] [L629] List t; [L630] List p = a; VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) [L638] FCALL p->h = 1 VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L639] FCALL p->n = 0 VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L640] p = a VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L641] COND TRUE p!=0 VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}] [L642] EXPR, FCALL p->h VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}, p->h=1] [L642] COND FALSE !(p->h != 1) [L645] EXPR, FCALL p->n VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={10:0}, p->n={0:0}] [L645] p = p->n [L641] COND FALSE !(p!=0) VAL [a={10:0}, malloc(sizeof(struct node))={10:0}, p={0:0}] [L647] return 0; VAL [\result=0, a={10:0}, malloc(sizeof(struct node))={10:0}, p={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 55 locations, 15 error locations. UNSAFE Result, 1.5s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 223 SDtfs, 713 SDslu, 395 SDs, 0 SdLazy, 517 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 27 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 74 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 17140 SizeOfPredicates, 13 NumberOfNonLiveVariables, 92 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 8/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_11-28-43-299.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_11-28-43-299.csv Received shutdown request...