java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety/lockfree-3.2_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 21:15:37,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 21:15:37,992 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 21:15:38,007 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 21:15:38,007 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 21:15:38,008 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 21:15:38,010 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 21:15:38,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 21:15:38,014 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 21:15:38,014 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 21:15:38,015 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 21:15:38,016 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 21:15:38,016 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 21:15:38,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 21:15:38,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 21:15:38,021 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 21:15:38,023 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 21:15:38,024 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 21:15:38,026 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 21:15:38,027 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 21:15:38,029 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 21:15:38,029 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 21:15:38,030 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 21:15:38,030 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 21:15:38,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 21:15:38,033 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 21:15:38,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 21:15:38,033 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 21:15:38,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 21:15:38,034 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 21:15:38,035 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 21:15:38,035 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 21:15:38,059 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 21:15:38,059 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 21:15:38,059 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 21:15:38,059 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 21:15:38,060 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 21:15:38,060 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 21:15:38,060 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 21:15:38,061 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 21:15:38,061 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 21:15:38,061 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 21:15:38,061 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 21:15:38,061 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 21:15:38,062 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 21:15:38,062 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 21:15:38,062 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 21:15:38,062 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 21:15:38,062 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 21:15:38,063 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 21:15:38,063 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 21:15:38,063 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 21:15:38,063 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 21:15:38,063 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 21:15:38,064 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 21:15:38,064 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 21:15:38,064 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 21:15:38,064 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 21:15:38,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:15:38,065 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 21:15:38,065 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 21:15:38,065 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 21:15:38,065 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 21:15:38,065 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 21:15:38,065 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:38,066 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 21:15:38,066 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 21:15:38,067 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 21:15:38,067 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 21:15:38,067 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 21:15:38,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 21:15:38,114 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 21:15:38,118 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 21:15:38,120 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 21:15:38,120 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 21:15:38,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,471 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8c6b258a3 [2018-04-11 21:15:38,650 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 21:15:38,650 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 21:15:38,650 INFO L168 CDTParser]: Scanning lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,659 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 21:15:38,659 INFO L215 ultiparseSymbolTable]: [2018-04-11 21:15:38,659 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 21:15:38,659 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__pop ('pop') in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,659 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__push ('push') in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,659 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,660 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 21:15:38,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t4 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ssize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t1 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_once_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____swblk_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__register_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_attr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____nlink_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____sig_atomic_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__timer_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__off_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fd_mask in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____useconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__loff_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_condattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ldiv_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ino_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__wchar_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____socklen_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____daddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____time_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__S in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____loff_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__suseconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____sigset_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____WAIT_STATUS in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__mode_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_short in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_spinlock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clockid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____intptr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__div_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__size_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__daddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_cond_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_set in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____mode_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blksize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ulong in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_long in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__caddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_short in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__gid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x4 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x1 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__sigset_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____pthread_list_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_barrierattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____caddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_char in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____dev_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_long in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____id_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_rwlock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsblkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__lldiv_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____qaddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____gid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blksize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_char in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_barrier_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____suseconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ushort in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__garbage in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_mask in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_mutex_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____pid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____timer_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_mutexattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clockid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ssize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_int in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__time_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc4 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_rwlockattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__dev_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsfilcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc1 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__id_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uint in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__nlink_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:38,691 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8c6b258a3 [2018-04-11 21:15:38,696 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 21:15:38,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 21:15:38,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 21:15:38,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 21:15:38,705 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 21:15:38,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:15:38" (1/1) ... [2018-04-11 21:15:38,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d714e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:38, skipping insertion in model container [2018-04-11 21:15:38,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:15:38" (1/1) ... [2018-04-11 21:15:38,721 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:15:38,753 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:15:38,926 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:15:38,977 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:15:38,986 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-11 21:15:39,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39 WrapperNode [2018-04-11 21:15:39,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 21:15:39,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 21:15:39,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 21:15:39,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 21:15:39,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39" (1/1) ... [2018-04-11 21:15:39,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39" (1/1) ... [2018-04-11 21:15:39,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39" (1/1) ... [2018-04-11 21:15:39,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39" (1/1) ... [2018-04-11 21:15:39,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39" (1/1) ... [2018-04-11 21:15:39,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39" (1/1) ... [2018-04-11 21:15:39,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39" (1/1) ... [2018-04-11 21:15:39,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 21:15:39,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 21:15:39,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 21:15:39,104 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 21:15:39,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:15:39,224 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 21:15:39,225 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 21:15:39,225 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-11 21:15:39,225 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-11 21:15:39,225 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 21:15:39,225 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 21:15:39,225 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 21:15:39,225 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 21:15:39,225 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 21:15:39,226 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 21:15:39,226 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 21:15:39,226 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 21:15:39,226 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 21:15:39,226 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 21:15:39,226 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 21:15:39,227 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 21:15:39,227 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 21:15:39,227 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 21:15:39,227 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 21:15:39,227 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 21:15:39,227 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 21:15:39,228 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 21:15:39,228 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 21:15:39,228 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 21:15:39,228 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 21:15:39,228 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 21:15:39,228 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 21:15:39,228 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 21:15:39,228 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 21:15:39,228 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 21:15:39,229 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 21:15:39,229 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 21:15:39,229 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 21:15:39,229 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 21:15:39,229 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 21:15:39,229 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 21:15:39,229 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 21:15:39,229 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 21:15:39,229 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 21:15:39,230 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 21:15:39,231 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 21:15:39,232 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 21:15:39,233 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 21:15:39,233 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 21:15:39,233 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 21:15:39,233 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 21:15:39,233 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 21:15:39,233 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 21:15:39,233 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 21:15:39,233 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 21:15:39,233 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 21:15:39,234 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 21:15:39,234 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 21:15:39,234 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 21:15:39,234 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 21:15:39,234 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 21:15:39,234 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 21:15:39,234 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 21:15:39,234 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 21:15:39,235 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 21:15:39,235 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 21:15:39,235 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 21:15:39,235 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 21:15:39,235 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 21:15:39,235 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 21:15:39,235 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 21:15:39,235 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 21:15:39,236 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 21:15:39,236 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 21:15:39,236 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 21:15:39,236 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 21:15:39,236 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 21:15:39,236 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 21:15:39,236 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 21:15:39,236 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 21:15:39,237 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 21:15:39,238 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 21:15:39,238 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 21:15:39,238 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 21:15:39,761 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 21:15:39,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:15:39 BoogieIcfgContainer [2018-04-11 21:15:39,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 21:15:39,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 21:15:39,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 21:15:39,766 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 21:15:39,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:15:38" (1/3) ... [2018-04-11 21:15:39,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1f757e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:15:39, skipping insertion in model container [2018-04-11 21:15:39,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:15:39" (2/3) ... [2018-04-11 21:15:39,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1f757e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:15:39, skipping insertion in model container [2018-04-11 21:15:39,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:15:39" (3/3) ... [2018-04-11 21:15:39,770 INFO L107 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:15:39,780 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 21:15:39,788 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-04-11 21:15:39,838 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 21:15:39,839 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 21:15:39,839 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 21:15:39,839 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 21:15:39,839 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 21:15:39,839 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 21:15:39,840 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 21:15:39,840 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 21:15:39,840 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 21:15:39,841 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 21:15:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-04-11 21:15:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 21:15:39,864 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:39,865 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:39,865 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:39,869 INFO L82 PathProgramCache]: Analyzing trace with hash 831500316, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:39,881 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:15:39,948 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:15:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:39,967 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:15:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:40,019 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:15:40,020 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-11 21:15:40,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 21:15:40,032 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 21:15:40,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 21:15:40,034 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-04-11 21:15:40,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:15:40,061 INFO L93 Difference]: Finished difference Result 153 states and 173 transitions. [2018-04-11 21:15:40,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 21:15:40,062 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-04-11 21:15:40,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:15:40,076 INFO L225 Difference]: With dead ends: 153 [2018-04-11 21:15:40,076 INFO L226 Difference]: Without dead ends: 126 [2018-04-11 21:15:40,080 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 21:15:40,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-11 21:15:40,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-04-11 21:15:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-04-11 21:15:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 143 transitions. [2018-04-11 21:15:40,123 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 143 transitions. Word has length 19 [2018-04-11 21:15:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:15:40,124 INFO L459 AbstractCegarLoop]: Abstraction has 126 states and 143 transitions. [2018-04-11 21:15:40,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 21:15:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2018-04-11 21:15:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 21:15:40,125 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:40,125 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:40,125 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:40,125 INFO L82 PathProgramCache]: Analyzing trace with hash -948182125, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:40,133 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:15:40,188 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:15:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:40,200 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:15:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:40,236 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:15:40,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 21:15:40,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 21:15:40,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 21:15:40,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:15:40,239 INFO L87 Difference]: Start difference. First operand 126 states and 143 transitions. Second operand 3 states. [2018-04-11 21:15:40,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:15:40,260 INFO L93 Difference]: Finished difference Result 150 states and 168 transitions. [2018-04-11 21:15:40,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 21:15:40,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-04-11 21:15:40,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:15:40,262 INFO L225 Difference]: With dead ends: 150 [2018-04-11 21:15:40,262 INFO L226 Difference]: Without dead ends: 127 [2018-04-11 21:15:40,263 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:15:40,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-04-11 21:15:40,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-04-11 21:15:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-04-11 21:15:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 144 transitions. [2018-04-11 21:15:40,271 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 144 transitions. Word has length 24 [2018-04-11 21:15:40,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:15:40,271 INFO L459 AbstractCegarLoop]: Abstraction has 127 states and 144 transitions. [2018-04-11 21:15:40,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 21:15:40,272 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 144 transitions. [2018-04-11 21:15:40,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 21:15:40,272 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:40,272 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:40,272 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:40,273 INFO L82 PathProgramCache]: Analyzing trace with hash -334951210, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:40,279 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:15:40,317 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:15:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:40,416 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:15:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:40,486 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:15:40,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 21:15:40,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 21:15:40,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 21:15:40,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:15:40,487 INFO L87 Difference]: Start difference. First operand 127 states and 144 transitions. Second operand 3 states. [2018-04-11 21:15:40,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:15:40,536 INFO L93 Difference]: Finished difference Result 240 states and 276 transitions. [2018-04-11 21:15:40,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 21:15:40,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-04-11 21:15:40,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:15:40,539 INFO L225 Difference]: With dead ends: 240 [2018-04-11 21:15:40,539 INFO L226 Difference]: Without dead ends: 219 [2018-04-11 21:15:40,539 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:15:40,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-04-11 21:15:40,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 200. [2018-04-11 21:15:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-11 21:15:40,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 245 transitions. [2018-04-11 21:15:40,559 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 245 transitions. Word has length 26 [2018-04-11 21:15:40,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:15:40,559 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 245 transitions. [2018-04-11 21:15:40,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 21:15:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 245 transitions. [2018-04-11 21:15:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-11 21:15:40,560 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:40,561 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:40,561 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:40,561 INFO L82 PathProgramCache]: Analyzing trace with hash -251404699, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:40,584 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:15:40,658 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:15:40,686 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 [2018-04-11 21:15:40,688 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:15:40,690 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:15:40,691 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:15:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:40,701 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:15:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:40,744 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:15:40,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 21:15:40,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 21:15:40,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 21:15:40,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 21:15:40,745 INFO L87 Difference]: Start difference. First operand 200 states and 245 transitions. Second operand 4 states. [2018-04-11 21:15:40,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:15:40,930 INFO L93 Difference]: Finished difference Result 375 states and 466 transitions. [2018-04-11 21:15:40,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 21:15:40,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-04-11 21:15:40,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:15:40,940 INFO L225 Difference]: With dead ends: 375 [2018-04-11 21:15:40,940 INFO L226 Difference]: Without dead ends: 371 [2018-04-11 21:15:40,941 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:15:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-04-11 21:15:40,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 334. [2018-04-11 21:15:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-04-11 21:15:40,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 426 transitions. [2018-04-11 21:15:40,969 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 426 transitions. Word has length 32 [2018-04-11 21:15:40,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:15:40,970 INFO L459 AbstractCegarLoop]: Abstraction has 334 states and 426 transitions. [2018-04-11 21:15:40,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 21:15:40,970 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 426 transitions. [2018-04-11 21:15:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-11 21:15:40,971 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:40,971 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:40,971 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:40,972 INFO L82 PathProgramCache]: Analyzing trace with hash -251404698, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:40,981 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:15:41,030 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:15:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:41,066 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:15:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:41,154 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:15:41,155 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 21:15:41,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 21:15:41,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 21:15:41,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:15:41,156 INFO L87 Difference]: Start difference. First operand 334 states and 426 transitions. Second operand 5 states. [2018-04-11 21:15:41,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:15:41,362 INFO L93 Difference]: Finished difference Result 967 states and 1244 transitions. [2018-04-11 21:15:41,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 21:15:41,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-04-11 21:15:41,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:15:41,368 INFO L225 Difference]: With dead ends: 967 [2018-04-11 21:15:41,368 INFO L226 Difference]: Without dead ends: 648 [2018-04-11 21:15:41,371 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-04-11 21:15:41,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2018-04-11 21:15:41,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 498. [2018-04-11 21:15:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2018-04-11 21:15:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 648 transitions. [2018-04-11 21:15:41,409 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 648 transitions. Word has length 32 [2018-04-11 21:15:41,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:15:41,409 INFO L459 AbstractCegarLoop]: Abstraction has 498 states and 648 transitions. [2018-04-11 21:15:41,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 21:15:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 648 transitions. [2018-04-11 21:15:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-11 21:15:41,411 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:41,411 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:41,411 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:41,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1668850665, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:41,419 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:15:41,453 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:15:41,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:41,487 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:15:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:41,527 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:15:41,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-11 21:15:41,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 21:15:41,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 21:15:41,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:15:41,528 INFO L87 Difference]: Start difference. First operand 498 states and 648 transitions. Second operand 3 states. [2018-04-11 21:15:41,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:15:41,691 INFO L93 Difference]: Finished difference Result 587 states and 766 transitions. [2018-04-11 21:15:41,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 21:15:41,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-04-11 21:15:41,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:15:41,698 INFO L225 Difference]: With dead ends: 587 [2018-04-11 21:15:41,698 INFO L226 Difference]: Without dead ends: 575 [2018-04-11 21:15:41,699 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:15:41,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2018-04-11 21:15:41,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 561. [2018-04-11 21:15:41,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2018-04-11 21:15:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 734 transitions. [2018-04-11 21:15:41,744 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 734 transitions. Word has length 32 [2018-04-11 21:15:41,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:15:41,744 INFO L459 AbstractCegarLoop]: Abstraction has 561 states and 734 transitions. [2018-04-11 21:15:41,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 21:15:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 734 transitions. [2018-04-11 21:15:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-11 21:15:41,746 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:41,746 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:41,746 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:41,746 INFO L82 PathProgramCache]: Analyzing trace with hash -62843735, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:41,755 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:15:41,805 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:15:41,814 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 [2018-04-11 21:15:41,815 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:15:41,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:15:41,820 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 21:15:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:41,839 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:15:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:41,879 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:15:41,880 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-11 21:15:41,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 21:15:41,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 21:15:41,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 21:15:41,880 INFO L87 Difference]: Start difference. First operand 561 states and 734 transitions. Second operand 6 states. [2018-04-11 21:15:42,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:15:42,087 INFO L93 Difference]: Finished difference Result 995 states and 1285 transitions. [2018-04-11 21:15:42,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 21:15:42,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-04-11 21:15:42,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:15:42,093 INFO L225 Difference]: With dead ends: 995 [2018-04-11 21:15:42,093 INFO L226 Difference]: Without dead ends: 991 [2018-04-11 21:15:42,094 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 21:15:42,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-04-11 21:15:42,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 930. [2018-04-11 21:15:42,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2018-04-11 21:15:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1215 transitions. [2018-04-11 21:15:42,144 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1215 transitions. Word has length 34 [2018-04-11 21:15:42,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:15:42,144 INFO L459 AbstractCegarLoop]: Abstraction has 930 states and 1215 transitions. [2018-04-11 21:15:42,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 21:15:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1215 transitions. [2018-04-11 21:15:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-11 21:15:42,145 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:42,146 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:42,146 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:42,146 INFO L82 PathProgramCache]: Analyzing trace with hash -62566616, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:42,162 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:15:42,207 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:15:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:42,255 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:15:42,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:42,324 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:15:42,324 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2018-04-11 21:15:42,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 21:15:42,325 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 21:15:42,325 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-11 21:15:42,325 INFO L87 Difference]: Start difference. First operand 930 states and 1215 transitions. Second operand 8 states. [2018-04-11 21:15:42,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:15:42,540 INFO L93 Difference]: Finished difference Result 2648 states and 3495 transitions. [2018-04-11 21:15:42,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 21:15:42,541 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-04-11 21:15:42,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:15:42,550 INFO L225 Difference]: With dead ends: 2648 [2018-04-11 21:15:42,551 INFO L226 Difference]: Without dead ends: 1733 [2018-04-11 21:15:42,554 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-04-11 21:15:42,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-04-11 21:15:42,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1664. [2018-04-11 21:15:42,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2018-04-11 21:15:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2120 transitions. [2018-04-11 21:15:42,648 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2120 transitions. Word has length 34 [2018-04-11 21:15:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:15:42,649 INFO L459 AbstractCegarLoop]: Abstraction has 1664 states and 2120 transitions. [2018-04-11 21:15:42,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 21:15:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2120 transitions. [2018-04-11 21:15:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-11 21:15:42,650 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:42,650 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:42,650 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:42,651 INFO L82 PathProgramCache]: Analyzing trace with hash 928594531, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:42,662 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:15:42,707 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:15:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:42,762 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:15:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:15:42,878 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:15:42,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 12 [2018-04-11 21:15:42,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 21:15:42,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 21:15:42,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-04-11 21:15:42,879 INFO L87 Difference]: Start difference. First operand 1664 states and 2120 transitions. Second operand 12 states. [2018-04-11 21:15:43,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:15:43,276 INFO L93 Difference]: Finished difference Result 4865 states and 6275 transitions. [2018-04-11 21:15:43,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 21:15:43,277 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-04-11 21:15:43,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:15:43,295 INFO L225 Difference]: With dead ends: 4865 [2018-04-11 21:15:43,295 INFO L226 Difference]: Without dead ends: 3484 [2018-04-11 21:15:43,300 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2018-04-11 21:15:43,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2018-04-11 21:15:43,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3424. [2018-04-11 21:15:43,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3424 states. [2018-04-11 21:15:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 3424 states and 4320 transitions. [2018-04-11 21:15:43,484 INFO L78 Accepts]: Start accepts. Automaton has 3424 states and 4320 transitions. Word has length 36 [2018-04-11 21:15:43,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:15:43,484 INFO L459 AbstractCegarLoop]: Abstraction has 3424 states and 4320 transitions. [2018-04-11 21:15:43,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 21:15:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 4320 transitions. [2018-04-11 21:15:43,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-11 21:15:43,485 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:15:43,486 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:15:43,486 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 21:15:43,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1185822231, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:15:43,494 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:15:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 21:15:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 21:15:43,654 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 21:15:43,728 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-11 21:15:43,748 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 21:15:43,749 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 21:15:43,749 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 21:15:43,750 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 21:15:43,751 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 21:15:43,752 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 21:15:43,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:15:43 BoogieIcfgContainer [2018-04-11 21:15:43,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 21:15:43,771 INFO L168 Benchmark]: Toolchain (without parser) took 5075.02 ms. Allocated memory was 306.2 MB in the beginning and 525.9 MB in the end (delta: 219.7 MB). Free memory was 243.2 MB in the beginning and 397.6 MB in the end (delta: -154.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 5.3 GB. [2018-04-11 21:15:43,773 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 306.2 MB. Free memory is still 268.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:15:43,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.45 ms. Allocated memory is still 306.2 MB. Free memory was 243.2 MB in the beginning and 216.2 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:15:43,774 INFO L168 Benchmark]: Boogie Preprocessor took 64.83 ms. Allocated memory is still 306.2 MB. Free memory was 216.2 MB in the beginning and 214.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:15:43,775 INFO L168 Benchmark]: RCFGBuilder took 658.75 ms. Allocated memory was 306.2 MB in the beginning and 469.8 MB in the end (delta: 163.6 MB). Free memory was 214.2 MB in the beginning and 394.0 MB in the end (delta: -179.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 5.3 GB. [2018-04-11 21:15:43,775 INFO L168 Benchmark]: TraceAbstraction took 4007.59 ms. Allocated memory was 469.8 MB in the beginning and 525.9 MB in the end (delta: 56.1 MB). Free memory was 394.0 MB in the beginning and 397.6 MB in the end (delta: -3.6 MB). Peak memory consumption was 52.5 MB. Max. memory is 5.3 GB. [2018-04-11 21:15:43,778 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 306.2 MB. Free memory is still 268.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 339.45 ms. Allocated memory is still 306.2 MB. Free memory was 243.2 MB in the beginning and 216.2 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 64.83 ms. Allocated memory is still 306.2 MB. Free memory was 216.2 MB in the beginning and 214.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 658.75 ms. Allocated memory was 306.2 MB in the beginning and 469.8 MB in the end (delta: 163.6 MB). Free memory was 214.2 MB in the beginning and 394.0 MB in the end (delta: -179.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4007.59 ms. Allocated memory was 469.8 MB in the beginning and 525.9 MB in the end (delta: 56.1 MB). Free memory was 394.0 MB in the beginning and 397.6 MB in the end (delta: -3.6 MB). Peak memory consumption was 52.5 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 688]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 688. Possible FailurePath: [L625] int pc1 = 1; VAL [\old(garbage)=12, \old(garbage)=20, \old(pc1)=16, \old(pc4)=18, \old(res4)=7, \old(S)=9, \old(S)=11, \old(t1)=14, \old(t1)=10, \old(t4)=13, \old(t4)=17, \old(x1)=15, \old(x1)=3, \old(x4)=21, \old(x4)=19, garbage={20:12}, pc1=1, pc4=18, res4=7, S={9:11}, t1={14:10}, t4={13:17}, x1={3:15}, x4={19:21}] [L626] int pc4 = 1; VAL [\old(garbage)=12, \old(garbage)=20, \old(pc1)=16, \old(pc4)=18, \old(res4)=7, \old(S)=9, \old(S)=11, \old(t1)=10, \old(t1)=14, \old(t4)=17, \old(t4)=13, \old(x1)=3, \old(x1)=15, \old(x4)=21, \old(x4)=19, garbage={20:12}, pc1=1, pc4=1, res4=7, S={9:11}, t1={14:10}, t4={13:17}, x1={3:15}, x4={19:21}] [L624] struct cell *S; VAL [\old(garbage)=12, \old(garbage)=20, \old(pc1)=16, \old(pc4)=18, \old(res4)=7, \old(S)=11, \old(S)=9, \old(t1)=10, \old(t1)=14, \old(t4)=17, \old(t4)=13, \old(x1)=3, \old(x1)=15, \old(x4)=21, \old(x4)=19, garbage={20:12}, pc1=1, pc4=1, res4=7, S={0:0}, t1={14:10}, t4={13:17}, x1={3:15}, x4={19:21}] [L627] static struct cell *t1 = ((void *)0); VAL [\old(garbage)=12, \old(garbage)=20, \old(pc1)=16, \old(pc4)=18, \old(res4)=7, \old(S)=9, \old(S)=11, \old(t1)=14, \old(t1)=10, \old(t4)=13, \old(t4)=17, \old(x1)=3, \old(x1)=15, \old(x4)=21, \old(x4)=19, garbage={20:12}, pc1=1, pc4=1, res4=7, S={0:0}, t1={0:0}, t4={13:17}, x1={3:15}, x4={19:21}] [L628] static struct cell *x1 = ((void *)0); VAL [\old(garbage)=12, \old(garbage)=20, \old(pc1)=16, \old(pc4)=18, \old(res4)=7, \old(S)=11, \old(S)=9, \old(t1)=10, \old(t1)=14, \old(t4)=13, \old(t4)=17, \old(x1)=3, \old(x1)=15, \old(x4)=19, \old(x4)=21, garbage={20:12}, pc1=1, pc4=1, res4=7, S={0:0}, t1={0:0}, t4={13:17}, x1={0:0}, x4={19:21}] [L657] struct cell* garbage; VAL [\old(garbage)=12, \old(garbage)=20, \old(pc1)=16, \old(pc4)=18, \old(res4)=7, \old(S)=9, \old(S)=11, \old(t1)=10, \old(t1)=14, \old(t4)=13, \old(t4)=17, \old(x1)=3, \old(x1)=15, \old(x4)=19, \old(x4)=21, garbage={0:0}, pc1=1, pc4=1, res4=7, S={0:0}, t1={0:0}, t4={13:17}, x1={0:0}, x4={19:21}] [L658] static struct cell *t4 = ((void *)0); VAL [\old(garbage)=20, \old(garbage)=12, \old(pc1)=16, \old(pc4)=18, \old(res4)=7, \old(S)=11, \old(S)=9, \old(t1)=10, \old(t1)=14, \old(t4)=17, \old(t4)=13, \old(x1)=3, \old(x1)=15, \old(x4)=21, \old(x4)=19, garbage={0:0}, pc1=1, pc4=1, res4=7, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={19:21}] [L659] static struct cell *x4 = ((void *)0); VAL [\old(garbage)=12, \old(garbage)=20, \old(pc1)=16, \old(pc4)=18, \old(res4)=7, \old(S)=11, \old(S)=9, \old(t1)=10, \old(t1)=14, \old(t4)=13, \old(t4)=17, \old(x1)=3, \old(x1)=15, \old(x4)=21, \old(x4)=19, garbage={0:0}, pc1=1, pc4=1, res4=7, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L662] static int res4; VAL [\old(garbage)=20, \old(garbage)=12, \old(pc1)=16, \old(pc4)=18, \old(res4)=7, \old(S)=9, \old(S)=11, \old(t1)=14, \old(t1)=10, \old(t4)=17, \old(t4)=13, \old(x1)=3, \old(x1)=15, \old(x4)=21, \old(x4)=19, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=-1, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=1, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE S || 1 != pc4 || __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=-1, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=1, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L691] COND TRUE __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=-1, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L631] pc1++ VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L631] pc1++ VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L632] case 1: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L632] COND TRUE case 1: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L633] EXPR, FCALL malloc(sizeof(*x1)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={33:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L633] x1 = malloc(sizeof(*x1)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={33:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L634] FCALL x1->data = 0 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={33:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L635] RET, FCALL x1->next = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={33:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L692] push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L696] COND FALSE !(\read(*garbage)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L701] S = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L702] t1 = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={33:0}, x4={0:0}] [L703] x1 = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L704] t4 = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L705] x4 = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L706] return !!garbage; VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, \result=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 129 locations, 19 error locations. UNSAFE Result, 3.9s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1534 SDtfs, 1499 SDslu, 2607 SDs, 0 SdLazy, 469 SolverSat, 169 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 541 GetRequests, 498 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3424occurred in iteration=9, 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 410 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 520 ConstructedInterpolants, 0 QuantifiedInterpolants, 37546 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2026 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lockfree-3.2_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_21-15-43-788.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lockfree-3.2_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_21-15-43-788.csv Received shutdown request...