java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/memsafety/lockfree-3.2_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 11:35:23,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 11:35:23,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 11:35:23,678 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 11:35:23,679 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 11:35:23,679 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 11:35:23,680 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 11:35:23,682 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 11:35:23,683 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 11:35:23,684 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 11:35:23,685 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 11:35:23,685 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 11:35:23,686 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 11:35:23,687 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 11:35:23,687 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 11:35:23,689 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 11:35:23,691 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 11:35:23,692 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 11:35:23,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 11:35:23,694 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 11:35:23,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 11:35:23,696 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 11:35:23,696 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 11:35:23,697 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 11:35:23,697 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 11:35:23,698 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 11:35:23,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 11:35:23,699 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 11:35:23,700 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 11:35:23,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 11:35:23,700 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 11:35:23,701 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 11:35:23,711 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 11:35:23,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 11:35:23,712 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 11:35:23,712 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 11:35:23,712 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 11:35:23,712 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 11:35:23,713 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 11:35:23,713 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 11:35:23,713 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 11:35:23,713 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 11:35:23,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 11:35:23,713 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 11:35:23,713 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 11:35:23,714 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 11:35:23,714 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 11:35:23,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 11:35:23,714 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 11:35:23,714 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 11:35:23,714 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 11:35:23,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 11:35:23,715 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 11:35:23,715 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 11:35:23,715 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 11:35:23,715 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 11:35:23,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 11:35:23,753 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 11:35:23,756 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 11:35:23,757 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 11:35:23,758 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 11:35:23,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,042 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5906cff09 [2018-04-12 11:35:24,169 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 11:35:24,169 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 11:35:24,169 INFO L168 CDTParser]: Scanning lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,176 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 11:35:24,176 INFO L215 ultiparseSymbolTable]: [2018-04-12 11:35:24,176 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 11:35:24,176 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__pop ('pop') in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,176 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__push ('push') in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,176 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,177 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 11:35:24,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t4 in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ssize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t1 in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,177 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 [2018-04-12 11:35:24,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____swblk_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__register_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,177 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 [2018-04-12 11:35:24,178 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,178 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____nlink_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,178 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 [2018-04-12 11:35:24,178 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__timer_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,178 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__off_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,178 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,178 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fd_mask in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,178 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____useconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,178 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,178 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__loff_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,178 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 [2018-04-12 11:35:24,178 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 [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ldiv_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ino_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__wchar_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____socklen_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____daddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____time_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__S in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____loff_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__suseconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,179 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____sigset_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____WAIT_STATUS in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__mode_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_short in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 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 [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clockid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____intptr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__div_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__size_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 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 [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__daddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 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 [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,180 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_set in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____mode_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blksize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ulong in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_long in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__caddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_short in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__gid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x4 in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x1 in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__sigset_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 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 [2018-04-12 11:35:24,181 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 [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____caddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_char in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,181 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 [2018-04-12 11:35:24,181 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____dev_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_long in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____id_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 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 [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 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 [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsblkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__lldiv_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____qaddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____gid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blksize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_char in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,183 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 [2018-04-12 11:35:24,183 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 [2018-04-12 11:35:24,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____suseconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ushort in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,183 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 [2018-04-12 11:35:24,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__garbage in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_mask in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 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 [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____pid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____timer_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 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 [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clockid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ssize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_int in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__time_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,185 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 [2018-04-12 11:35:24,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc4 in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,185 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 [2018-04-12 11:35:24,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__dev_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsfilcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc1 in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__id_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uint in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__nlink_t in lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,199 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5906cff09 [2018-04-12 11:35:24,202 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 11:35:24,204 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 11:35:24,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 11:35:24,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 11:35:24,210 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 11:35:24,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 11:35:24" (1/1) ... [2018-04-12 11:35:24,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c3433b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24, skipping insertion in model container [2018-04-12 11:35:24,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 11:35:24" (1/1) ... [2018-04-12 11:35:24,225 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 11:35:24,248 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 11:35:24,391 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 11:35:24,428 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 11:35:24,435 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-12 11:35:24,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24 WrapperNode [2018-04-12 11:35:24,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 11:35:24,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 11:35:24,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 11:35:24,463 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 11:35:24,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24" (1/1) ... [2018-04-12 11:35:24,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24" (1/1) ... [2018-04-12 11:35:24,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24" (1/1) ... [2018-04-12 11:35:24,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24" (1/1) ... [2018-04-12 11:35:24,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24" (1/1) ... [2018-04-12 11:35:24,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24" (1/1) ... [2018-04-12 11:35:24,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24" (1/1) ... [2018-04-12 11:35:24,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 11:35:24,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 11:35:24,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 11:35:24,507 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 11:35:24,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 11:35:24,596 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 11:35:24,596 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 11:35:24,596 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-12 11:35:24,596 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-12 11:35:24,597 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 11:35:24,597 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 11:35:24,598 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 11:35:24,598 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 11:35:24,598 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 11:35:24,598 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 11:35:24,598 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 11:35:24,598 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 11:35:24,598 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 11:35:24,598 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 11:35:24,598 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 11:35:24,599 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 11:35:24,599 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 11:35:24,599 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 11:35:24,599 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 11:35:24,599 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 11:35:24,599 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 11:35:24,599 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 11:35:24,599 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 11:35:24,599 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 11:35:24,600 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 11:35:24,601 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 11:35:24,602 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 11:35:24,603 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 11:35:24,604 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 11:35:24,605 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 11:35:24,606 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-12 11:35:24,607 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 11:35:24,608 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 11:35:24,608 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 11:35:24,608 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 11:35:24,608 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 11:35:24,608 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 11:35:24,608 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 11:35:24,949 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 11:35:24,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 11:35:24 BoogieIcfgContainer [2018-04-12 11:35:24,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 11:35:24,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 11:35:24,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 11:35:24,953 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 11:35:24,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 11:35:24" (1/3) ... [2018-04-12 11:35:24,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee4562b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 11:35:24, skipping insertion in model container [2018-04-12 11:35:24,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:24" (2/3) ... [2018-04-12 11:35:24,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee4562b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 11:35:24, skipping insertion in model container [2018-04-12 11:35:24,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 11:35:24" (3/3) ... [2018-04-12 11:35:24,955 INFO L107 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2018-04-12 11:35:24,960 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 11:35:24,964 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-04-12 11:35:24,991 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 11:35:24,991 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 11:35:24,991 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 11:35:24,992 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 11:35:24,992 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 11:35:24,992 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 11:35:24,992 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 11:35:24,992 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 11:35:24,992 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 11:35:24,993 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 11:35:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-04-12 11:35:25,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-12 11:35:25,008 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:25,009 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:25,009 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]=== [2018-04-12 11:35:25,011 INFO L82 PathProgramCache]: Analyzing trace with hash 764612502, now seen corresponding path program 1 times [2018-04-12 11:35:25,012 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:25,013 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:25,041 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:25,042 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:25,084 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:25,118 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:25,118 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 11:35:25,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-12 11:35:25,131 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-12 11:35:25,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-12 11:35:25,133 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-04-12 11:35:25,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:25,149 INFO L93 Difference]: Finished difference Result 78 states and 95 transitions. [2018-04-12 11:35:25,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-12 11:35:25,150 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-04-12 11:35:25,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:25,161 INFO L225 Difference]: With dead ends: 78 [2018-04-12 11:35:25,161 INFO L226 Difference]: Without dead ends: 75 [2018-04-12 11:35:25,162 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-12 11:35:25,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-12 11:35:25,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-04-12 11:35:25,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-12 11:35:25,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 92 transitions. [2018-04-12 11:35:25,185 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 92 transitions. Word has length 9 [2018-04-12 11:35:25,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:25,185 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 92 transitions. [2018-04-12 11:35:25,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-12 11:35:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-04-12 11:35:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-12 11:35:25,186 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:25,186 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:25,186 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]=== [2018-04-12 11:35:25,186 INFO L82 PathProgramCache]: Analyzing trace with hash -2144181541, now seen corresponding path program 1 times [2018-04-12 11:35:25,186 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:25,186 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:25,187 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:25,187 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:25,203 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:25,244 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:25,244 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 11:35:25,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 11:35:25,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 11:35:25,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:25,245 INFO L87 Difference]: Start difference. First operand 75 states and 92 transitions. Second operand 3 states. [2018-04-12 11:35:25,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:25,262 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2018-04-12 11:35:25,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 11:35:25,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-12 11:35:25,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:25,266 INFO L225 Difference]: With dead ends: 76 [2018-04-12 11:35:25,266 INFO L226 Difference]: Without dead ends: 76 [2018-04-12 11:35:25,267 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:25,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-12 11:35:25,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-04-12 11:35:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-12 11:35:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-04-12 11:35:25,273 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 12 [2018-04-12 11:35:25,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:25,273 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-04-12 11:35:25,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 11:35:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-04-12 11:35:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-12 11:35:25,274 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:25,274 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:25,274 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]=== [2018-04-12 11:35:25,274 INFO L82 PathProgramCache]: Analyzing trace with hash -2142334499, now seen corresponding path program 1 times [2018-04-12 11:35:25,274 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:25,274 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:25,275 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:25,275 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:25,290 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:25,334 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:25,334 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 11:35:25,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 11:35:25,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 11:35:25,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:25,335 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 3 states. [2018-04-12 11:35:25,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:25,361 INFO L93 Difference]: Finished difference Result 134 states and 169 transitions. [2018-04-12 11:35:25,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 11:35:25,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-12 11:35:25,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:25,362 INFO L225 Difference]: With dead ends: 134 [2018-04-12 11:35:25,362 INFO L226 Difference]: Without dead ends: 134 [2018-04-12 11:35:25,362 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:25,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-12 11:35:25,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 116. [2018-04-12 11:35:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-12 11:35:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 161 transitions. [2018-04-12 11:35:25,370 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 161 transitions. Word has length 12 [2018-04-12 11:35:25,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:25,370 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 161 transitions. [2018-04-12 11:35:25,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 11:35:25,370 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2018-04-12 11:35:25,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 11:35:25,371 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:25,371 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:25,371 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]=== [2018-04-12 11:35:25,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1987861526, now seen corresponding path program 1 times [2018-04-12 11:35:25,371 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:25,371 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:25,372 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:25,372 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:25,385 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:25,401 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:25,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 11:35:25,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 11:35:25,401 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 11:35:25,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:25,401 INFO L87 Difference]: Start difference. First operand 116 states and 161 transitions. Second operand 3 states. [2018-04-12 11:35:25,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:25,458 INFO L93 Difference]: Finished difference Result 151 states and 209 transitions. [2018-04-12 11:35:25,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 11:35:25,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-04-12 11:35:25,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:25,459 INFO L225 Difference]: With dead ends: 151 [2018-04-12 11:35:25,459 INFO L226 Difference]: Without dead ends: 147 [2018-04-12 11:35:25,459 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:25,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-12 11:35:25,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2018-04-12 11:35:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-12 11:35:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 194 transitions. [2018-04-12 11:35:25,466 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 194 transitions. Word has length 13 [2018-04-12 11:35:25,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:25,466 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 194 transitions. [2018-04-12 11:35:25,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 11:35:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2018-04-12 11:35:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 11:35:25,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:25,467 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:25,467 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]=== [2018-04-12 11:35:25,467 INFO L82 PathProgramCache]: Analyzing trace with hash -990934181, now seen corresponding path program 1 times [2018-04-12 11:35:25,467 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:25,467 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:25,467 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:25,468 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:25,477 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:25,501 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:25,501 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 11:35:25,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 11:35:25,501 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 11:35:25,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 11:35:25,502 INFO L87 Difference]: Start difference. First operand 137 states and 194 transitions. Second operand 5 states. [2018-04-12 11:35:25,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:25,561 INFO L93 Difference]: Finished difference Result 259 states and 361 transitions. [2018-04-12 11:35:25,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 11:35:25,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-12 11:35:25,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:25,563 INFO L225 Difference]: With dead ends: 259 [2018-04-12 11:35:25,563 INFO L226 Difference]: Without dead ends: 259 [2018-04-12 11:35:25,564 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 11:35:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-04-12 11:35:25,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 228. [2018-04-12 11:35:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-12 11:35:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 340 transitions. [2018-04-12 11:35:25,578 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 340 transitions. Word has length 15 [2018-04-12 11:35:25,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:25,579 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 340 transitions. [2018-04-12 11:35:25,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 11:35:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 340 transitions. [2018-04-12 11:35:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 11:35:25,579 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:25,579 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:25,579 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]=== [2018-04-12 11:35:25,580 INFO L82 PathProgramCache]: Analyzing trace with hash -654467540, now seen corresponding path program 1 times [2018-04-12 11:35:25,580 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:25,580 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:25,581 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:25,581 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:25,591 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:25,611 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:25,611 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 11:35:25,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 11:35:25,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 11:35:25,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 11:35:25,612 INFO L87 Difference]: Start difference. First operand 228 states and 340 transitions. Second operand 4 states. [2018-04-12 11:35:25,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:25,715 INFO L93 Difference]: Finished difference Result 390 states and 573 transitions. [2018-04-12 11:35:25,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 11:35:25,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-12 11:35:25,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:25,718 INFO L225 Difference]: With dead ends: 390 [2018-04-12 11:35:25,718 INFO L226 Difference]: Without dead ends: 390 [2018-04-12 11:35:25,718 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 11:35:25,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-04-12 11:35:25,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 360. [2018-04-12 11:35:25,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-12 11:35:25,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 550 transitions. [2018-04-12 11:35:25,737 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 550 transitions. Word has length 16 [2018-04-12 11:35:25,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:25,737 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 550 transitions. [2018-04-12 11:35:25,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 11:35:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 550 transitions. [2018-04-12 11:35:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 11:35:25,738 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:25,738 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:25,738 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]=== [2018-04-12 11:35:25,738 INFO L82 PathProgramCache]: Analyzing trace with hash -654467539, now seen corresponding path program 1 times [2018-04-12 11:35:25,738 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:25,738 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:25,739 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:25,739 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:25,749 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:25,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:25,770 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:25,770 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 11:35:25,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 11:35:25,770 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 11:35:25,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 11:35:25,771 INFO L87 Difference]: Start difference. First operand 360 states and 550 transitions. Second operand 4 states. [2018-04-12 11:35:25,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:25,873 INFO L93 Difference]: Finished difference Result 489 states and 720 transitions. [2018-04-12 11:35:25,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 11:35:25,874 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-12 11:35:25,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:25,875 INFO L225 Difference]: With dead ends: 489 [2018-04-12 11:35:25,875 INFO L226 Difference]: Without dead ends: 489 [2018-04-12 11:35:25,875 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 11:35:25,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-04-12 11:35:25,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 462. [2018-04-12 11:35:25,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-04-12 11:35:25,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 698 transitions. [2018-04-12 11:35:25,884 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 698 transitions. Word has length 16 [2018-04-12 11:35:25,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:25,884 INFO L459 AbstractCegarLoop]: Abstraction has 462 states and 698 transitions. [2018-04-12 11:35:25,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 11:35:25,885 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 698 transitions. [2018-04-12 11:35:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 11:35:25,885 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:25,885 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:25,885 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]=== [2018-04-12 11:35:25,885 INFO L82 PathProgramCache]: Analyzing trace with hash 2111148230, now seen corresponding path program 1 times [2018-04-12 11:35:25,885 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:25,885 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:25,886 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:25,886 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:25,891 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:25,916 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:25,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 11:35:25,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 11:35:25,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 11:35:25,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 11:35:25,917 INFO L87 Difference]: Start difference. First operand 462 states and 698 transitions. Second operand 5 states. [2018-04-12 11:35:25,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:25,972 INFO L93 Difference]: Finished difference Result 865 states and 1229 transitions. [2018-04-12 11:35:25,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 11:35:25,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-12 11:35:25,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:25,977 INFO L225 Difference]: With dead ends: 865 [2018-04-12 11:35:25,978 INFO L226 Difference]: Without dead ends: 865 [2018-04-12 11:35:25,978 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 11:35:25,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-04-12 11:35:25,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 830. [2018-04-12 11:35:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2018-04-12 11:35:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1198 transitions. [2018-04-12 11:35:26,002 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1198 transitions. Word has length 16 [2018-04-12 11:35:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:26,003 INFO L459 AbstractCegarLoop]: Abstraction has 830 states and 1198 transitions. [2018-04-12 11:35:26,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 11:35:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1198 transitions. [2018-04-12 11:35:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 11:35:26,004 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:26,004 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:26,004 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]=== [2018-04-12 11:35:26,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1464034702, now seen corresponding path program 1 times [2018-04-12 11:35:26,004 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:26,004 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:26,005 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:26,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:26,005 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:26,015 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:26,049 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:26,050 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:26,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:26,102 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:26,196 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:26,196 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 9 [2018-04-12 11:35:26,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 11:35:26,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 11:35:26,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-12 11:35:26,197 INFO L87 Difference]: Start difference. First operand 830 states and 1198 transitions. Second operand 9 states. [2018-04-12 11:35:26,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:26,555 INFO L93 Difference]: Finished difference Result 1426 states and 2036 transitions. [2018-04-12 11:35:26,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 11:35:26,556 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-04-12 11:35:26,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:26,563 INFO L225 Difference]: With dead ends: 1426 [2018-04-12 11:35:26,563 INFO L226 Difference]: Without dead ends: 1426 [2018-04-12 11:35:26,563 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2018-04-12 11:35:26,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-04-12 11:35:26,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1270. [2018-04-12 11:35:26,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1270 states. [2018-04-12 11:35:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1794 transitions. [2018-04-12 11:35:26,602 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1794 transitions. Word has length 26 [2018-04-12 11:35:26,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:26,602 INFO L459 AbstractCegarLoop]: Abstraction has 1270 states and 1794 transitions. [2018-04-12 11:35:26,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 11:35:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1794 transitions. [2018-04-12 11:35:26,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 11:35:26,604 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:26,604 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:26,604 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]=== [2018-04-12 11:35:26,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1396165131, now seen corresponding path program 1 times [2018-04-12 11:35:26,604 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:26,604 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:26,605 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:26,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:26,605 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:26,615 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:26,662 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:26,662 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:26,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:26,713 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:26,793 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:26,793 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2018-04-12 11:35:26,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 11:35:26,794 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 11:35:26,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-04-12 11:35:26,794 INFO L87 Difference]: Start difference. First operand 1270 states and 1794 transitions. Second operand 10 states. [2018-04-12 11:35:27,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:27,039 INFO L93 Difference]: Finished difference Result 4139 states and 6007 transitions. [2018-04-12 11:35:27,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 11:35:27,040 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-12 11:35:27,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:27,056 INFO L225 Difference]: With dead ends: 4139 [2018-04-12 11:35:27,056 INFO L226 Difference]: Without dead ends: 4139 [2018-04-12 11:35:27,057 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-04-12 11:35:27,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2018-04-12 11:35:27,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 3946. [2018-04-12 11:35:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3946 states. [2018-04-12 11:35:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 5580 transitions. [2018-04-12 11:35:27,163 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 5580 transitions. Word has length 27 [2018-04-12 11:35:27,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:27,164 INFO L459 AbstractCegarLoop]: Abstraction has 3946 states and 5580 transitions. [2018-04-12 11:35:27,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 11:35:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 5580 transitions. [2018-04-12 11:35:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 11:35:27,165 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:27,165 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:27,165 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__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]=== [2018-04-12 11:35:27,165 INFO L82 PathProgramCache]: Analyzing trace with hash 2081153715, now seen corresponding path program 1 times [2018-04-12 11:35:27,165 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:27,165 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:27,166 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:27,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:27,166 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 11:35:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 11:35:27,208 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-12 11:35:27,235 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-12 11:35:27,244 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 [2018-04-12 11:35:27,244 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 [2018-04-12 11:35:27,245 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 [2018-04-12 11:35:27,246 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 [2018-04-12 11:35:27,246 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 [2018-04-12 11:35:27,247 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 [2018-04-12 11:35:27,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 11:35:27 BoogieIcfgContainer [2018-04-12 11:35:27,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 11:35:27,258 INFO L168 Benchmark]: Toolchain (without parser) took 3055.42 ms. Allocated memory was 388.5 MB in the beginning and 660.6 MB in the end (delta: 272.1 MB). Free memory was 325.1 MB in the beginning and 554.8 MB in the end (delta: -229.7 MB). Peak memory consumption was 42.4 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:27,260 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 388.5 MB. Free memory is still 348.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 11:35:27,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.55 ms. Allocated memory is still 388.5 MB. Free memory was 325.1 MB in the beginning and 298.7 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:27,260 INFO L168 Benchmark]: Boogie Preprocessor took 43.51 ms. Allocated memory is still 388.5 MB. Free memory was 298.7 MB in the beginning and 296.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:27,261 INFO L168 Benchmark]: RCFGBuilder took 442.71 ms. Allocated memory was 388.5 MB in the beginning and 583.5 MB in the end (delta: 195.0 MB). Free memory was 296.0 MB in the beginning and 510.5 MB in the end (delta: -214.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:27,261 INFO L168 Benchmark]: TraceAbstraction took 2307.34 ms. Allocated memory was 583.5 MB in the beginning and 660.6 MB in the end (delta: 77.1 MB). Free memory was 510.5 MB in the beginning and 554.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:27,263 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 388.5 MB. Free memory is still 348.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 258.55 ms. Allocated memory is still 388.5 MB. Free memory was 325.1 MB in the beginning and 298.7 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.51 ms. Allocated memory is still 388.5 MB. Free memory was 298.7 MB in the beginning and 296.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 442.71 ms. Allocated memory was 388.5 MB in the beginning and 583.5 MB in the end (delta: 195.0 MB). Free memory was 296.0 MB in the beginning and 510.5 MB in the end (delta: -214.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2307.34 ms. Allocated memory was 583.5 MB in the beginning and 660.6 MB in the end (delta: 77.1 MB). Free memory was 510.5 MB in the beginning and 554.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 32.8 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: - CounterExampleResult [Line: 688]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L625] int pc1 = 1; [L626] int pc4 = 1; [L624] struct cell *S; [L627] static struct cell *t1 = ((void *)0); [L628] static struct cell *x1 = ((void *)0); [L657] struct cell* garbage; [L658] static struct cell *t4 = ((void *)0); [L659] static struct cell *x4 = ((void *)0); [L662] static int res4; VAL [\old(garbage)=17, \old(garbage)=23, \old(pc1)=26, \old(pc4)=16, \old(res4)=15, \old(S)=11, \old(S)=25, \old(t1)=22, \old(t1)=24, \old(t4)=18, \old(t4)=13, \old(x1)=20, \old(x1)=14, \old(x4)=21, \old(x4)=10, 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()) [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() [L691] COND TRUE __VERIFIER_nondet_int() [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++ [L631] pc1++ [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))={12:0}, 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))={12:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={12:0}, 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))={12:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={12:0}, 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))={12:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={12:0}, 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={12:0}, 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={12:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [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={12:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [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={12:0}, x4={0:0}] [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)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, 78 locations, 19 error locations. UNSAFE Result, 2.2s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 959 SDtfs, 1198 SDslu, 1670 SDs, 0 SdLazy, 612 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3946occurred in iteration=10, 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 500 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 11823 SizeOfPredicates, 12 NumberOfNonLiveVariables, 602 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 9/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lockfree-3.2_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_11-35-27-270.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lockfree-3.2_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_11-35-27-270.csv Received shutdown request...