java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety/lockfree-3.2_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 15:36:49,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:36:49,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:36:49,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:36:49,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:36:49,644 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:36:49,645 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:36:49,647 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:36:49,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:36:49,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:36:49,650 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:36:49,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:36:49,651 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:36:49,652 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:36:49,652 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:36:49,654 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:36:49,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:36:49,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:36:49,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:36:49,658 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:36:49,660 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 15:36:49,660 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 15:36:49,660 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 15:36:49,661 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 15:36:49,662 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 15:36:49,663 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 15:36:49,663 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 15:36:49,663 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 15:36:49,664 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 15:36:49,664 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 15:36:49,665 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 15:36:49,665 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-11 15:36:49,685 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:36:49,686 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:36:49,687 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:36:49,687 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:36:49,687 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:36:49,687 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:36:49,687 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:36:49,687 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:36:49,687 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:36:49,687 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:36:49,687 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:36:49,687 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:36:49,688 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:36:49,688 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:36:49,688 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:36:49,688 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:36:49,688 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:36:49,688 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:36:49,688 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:36:49,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:36:49,688 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:36:49,688 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:36:49,689 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:36:49,689 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:36:49,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:36:49,722 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:36:49,725 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:36:49,726 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:36:49,726 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:36:49,727 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 [2018-04-11 15:36:50,029 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb63f3e51b [2018-04-11 15:36:50,193 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:36:50,193 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:36:50,194 INFO L168 CDTParser]: Scanning lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,202 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:36:50,203 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:36:50,203 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:36:50,203 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__pop ('pop') in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__push ('push') in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t4 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ssize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t1 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_once_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____swblk_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__register_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_attr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____nlink_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____sig_atomic_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__timer_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__off_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fd_mask in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____useconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__loff_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_condattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ldiv_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ino_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__wchar_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____socklen_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____daddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____time_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__S in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____loff_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__suseconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____sigset_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____WAIT_STATUS in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__mode_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_short in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_spinlock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clockid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____intptr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__div_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__size_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__daddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_cond_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_set in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____mode_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blksize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ulong in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_long in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__caddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_short in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__gid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x4 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x1 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__sigset_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____pthread_list_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_barrierattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____caddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_char in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____dev_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_long in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____id_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_rwlock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsblkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__lldiv_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____qaddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____gid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blksize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_char in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_barrier_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____suseconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ushort in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__garbage in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_mask in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_mutex_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____pid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____timer_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_mutexattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clockid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ssize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_int in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__time_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc4 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_rwlockattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__dev_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsfilcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc1 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__id_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uint in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,211 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__nlink_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,225 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb63f3e51b [2018-04-11 15:36:50,229 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:36:50,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:36:50,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:36:50,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:36:50,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:36:50,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:36:50" (1/1) ... [2018-04-11 15:36:50,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752f39f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50, skipping insertion in model container [2018-04-11 15:36:50,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:36:50" (1/1) ... [2018-04-11 15:36:50,255 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:36:50,281 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:36:50,389 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:36:50,428 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:36:50,434 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-11 15:36:50,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50 WrapperNode [2018-04-11 15:36:50,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:36:50,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:36:50,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:36:50,467 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:36:50,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50" (1/1) ... [2018-04-11 15:36:50,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50" (1/1) ... [2018-04-11 15:36:50,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50" (1/1) ... [2018-04-11 15:36:50,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50" (1/1) ... [2018-04-11 15:36:50,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50" (1/1) ... [2018-04-11 15:36:50,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50" (1/1) ... [2018-04-11 15:36:50,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50" (1/1) ... [2018-04-11 15:36:50,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:36:50,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:36:50,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:36:50,507 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:36:50,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:36:50,599 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:36:50,599 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:36:50,599 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-11 15:36:50,599 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-11 15:36:50,600 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:36:50,600 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 15:36:50,600 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:36:50,600 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:36:50,600 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:36:50,600 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:36:50,600 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:36:50,600 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:36:50,600 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:36:50,601 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:36:50,601 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:36:50,601 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:36:50,601 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:36:50,601 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:36:50,601 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:36:50,601 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:36:50,601 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:36:50,601 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:36:50,602 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:36:50,602 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:36:50,602 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:36:50,602 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:36:50,602 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:36:50,602 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:36:50,602 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:36:50,602 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:36:50,603 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:36:50,604 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:36:50,604 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:36:50,604 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:36:50,604 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:36:50,604 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:36:50,604 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:36:50,604 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:36:50,604 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:36:50,604 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:36:50,605 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:36:50,605 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:36:50,605 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:36:50,605 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:36:50,605 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:36:50,605 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:36:50,605 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:36:50,605 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:36:50,605 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:36:50,606 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:36:50,607 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:36:50,608 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:36:50,608 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:36:50,608 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:36:50,608 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:36:50,608 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:36:50,608 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:36:50,608 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:36:50,608 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:36:50,608 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:36:50,609 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:36:50,609 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:36:50,609 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:36:50,609 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:36:50,609 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:36:50,609 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:36:50,609 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:36:50,609 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:36:50,609 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:36:50,610 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:36:50,610 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:36:50,610 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:36:50,610 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:36:50,610 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:36:50,610 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:36:50,610 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:36:50,610 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:36:50,610 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 15:36:50,611 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:36:50,612 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:36:50,612 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:36:50,612 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:36:50,612 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 15:36:50,955 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:36:50,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:36:50 BoogieIcfgContainer [2018-04-11 15:36:50,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:36:50,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:36:50,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:36:50,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:36:50,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:36:50" (1/3) ... [2018-04-11 15:36:50,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ce19f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:36:50, skipping insertion in model container [2018-04-11 15:36:50,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:36:50" (2/3) ... [2018-04-11 15:36:50,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ce19f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:36:50, skipping insertion in model container [2018-04-11 15:36:50,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:36:50" (3/3) ... [2018-04-11 15:36:50,960 INFO L107 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2018-04-11 15:36:50,966 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:36:50,976 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-04-11 15:36:51,005 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:36:51,005 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:36:51,005 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:36:51,006 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:36:51,006 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:36:51,006 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:36:51,006 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:36:51,006 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:36:51,006 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:36:51,007 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:36:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-04-11 15:36:51,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 15:36:51,020 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:51,020 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:36:51,020 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:51,023 INFO L82 PathProgramCache]: Analyzing trace with hash 764612502, now seen corresponding path program 1 times [2018-04-11 15:36:51,024 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:51,024 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:51,056 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:51,056 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:51,099 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:51,133 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:36:51,133 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 15:36:51,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 15:36:51,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 15:36:51,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 15:36:51,148 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-04-11 15:36:51,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:51,163 INFO L93 Difference]: Finished difference Result 78 states and 95 transitions. [2018-04-11 15:36:51,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 15:36:51,164 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-04-11 15:36:51,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:51,174 INFO L225 Difference]: With dead ends: 78 [2018-04-11 15:36:51,175 INFO L226 Difference]: Without dead ends: 75 [2018-04-11 15:36:51,176 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 [2018-04-11 15:36:51,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-11 15:36:51,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-04-11 15:36:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-11 15:36:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 92 transitions. [2018-04-11 15:36:51,207 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 92 transitions. Word has length 9 [2018-04-11 15:36:51,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:51,208 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 92 transitions. [2018-04-11 15:36:51,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 15:36:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-04-11 15:36:51,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 15:36:51,208 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:51,208 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:36:51,208 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:51,209 INFO L82 PathProgramCache]: Analyzing trace with hash -2144181541, now seen corresponding path program 1 times [2018-04-11 15:36:51,209 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:51,209 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:51,210 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:51,210 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:51,226 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:51,248 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:36:51,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:36:51,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 15:36:51,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 15:36:51,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:36:51,249 INFO L87 Difference]: Start difference. First operand 75 states and 92 transitions. Second operand 3 states. [2018-04-11 15:36:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:51,259 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2018-04-11 15:36:51,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 15:36:51,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-11 15:36:51,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:51,260 INFO L225 Difference]: With dead ends: 76 [2018-04-11 15:36:51,260 INFO L226 Difference]: Without dead ends: 76 [2018-04-11 15:36:51,260 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 [2018-04-11 15:36:51,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-11 15:36:51,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-04-11 15:36:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 15:36:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-04-11 15:36:51,266 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 12 [2018-04-11 15:36:51,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:51,266 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-04-11 15:36:51,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 15:36:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-04-11 15:36:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 15:36:51,267 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:51,267 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:36:51,267 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:51,267 INFO L82 PathProgramCache]: Analyzing trace with hash -2142334499, now seen corresponding path program 1 times [2018-04-11 15:36:51,267 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:51,267 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:51,268 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:51,268 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:51,282 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:51,329 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:36:51,329 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:36:51,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 15:36:51,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 15:36:51,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:36:51,330 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 3 states. [2018-04-11 15:36:51,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:51,353 INFO L93 Difference]: Finished difference Result 134 states and 169 transitions. [2018-04-11 15:36:51,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 15:36:51,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-11 15:36:51,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:51,354 INFO L225 Difference]: With dead ends: 134 [2018-04-11 15:36:51,354 INFO L226 Difference]: Without dead ends: 134 [2018-04-11 15:36:51,355 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 [2018-04-11 15:36:51,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-11 15:36:51,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 116. [2018-04-11 15:36:51,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-11 15:36:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 161 transitions. [2018-04-11 15:36:51,363 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 161 transitions. Word has length 12 [2018-04-11 15:36:51,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:51,363 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 161 transitions. [2018-04-11 15:36:51,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 15:36:51,363 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2018-04-11 15:36:51,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 15:36:51,364 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:51,364 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:36:51,364 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:51,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1987861526, now seen corresponding path program 1 times [2018-04-11 15:36:51,364 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:51,364 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:51,365 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:51,365 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:51,376 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:51,397 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:36:51,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 15:36:51,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 15:36:51,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 15:36:51,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:36:51,398 INFO L87 Difference]: Start difference. First operand 116 states and 161 transitions. Second operand 3 states. [2018-04-11 15:36:51,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:51,449 INFO L93 Difference]: Finished difference Result 151 states and 209 transitions. [2018-04-11 15:36:51,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 15:36:51,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-04-11 15:36:51,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:51,451 INFO L225 Difference]: With dead ends: 151 [2018-04-11 15:36:51,451 INFO L226 Difference]: Without dead ends: 147 [2018-04-11 15:36:51,451 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 [2018-04-11 15:36:51,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-11 15:36:51,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2018-04-11 15:36:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-11 15:36:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 194 transitions. [2018-04-11 15:36:51,460 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 194 transitions. Word has length 13 [2018-04-11 15:36:51,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:51,460 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 194 transitions. [2018-04-11 15:36:51,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 15:36:51,460 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2018-04-11 15:36:51,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 15:36:51,461 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:51,461 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:36:51,461 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:51,461 INFO L82 PathProgramCache]: Analyzing trace with hash -990934181, now seen corresponding path program 1 times [2018-04-11 15:36:51,461 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:51,461 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:51,462 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:51,462 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:51,476 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:51,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:51,513 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:36:51,513 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:36:51,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 15:36:51,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 15:36:51,514 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:36:51,514 INFO L87 Difference]: Start difference. First operand 137 states and 194 transitions. Second operand 5 states. [2018-04-11 15:36:51,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:51,578 INFO L93 Difference]: Finished difference Result 259 states and 361 transitions. [2018-04-11 15:36:51,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:36:51,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-11 15:36:51,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:51,580 INFO L225 Difference]: With dead ends: 259 [2018-04-11 15:36:51,581 INFO L226 Difference]: Without dead ends: 259 [2018-04-11 15:36:51,581 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 [2018-04-11 15:36:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-04-11 15:36:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 228. [2018-04-11 15:36:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-11 15:36:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 340 transitions. [2018-04-11 15:36:51,596 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 340 transitions. Word has length 15 [2018-04-11 15:36:51,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:51,597 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 340 transitions. [2018-04-11 15:36:51,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 15:36:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 340 transitions. [2018-04-11 15:36:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 15:36:51,598 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:51,598 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:36:51,598 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:51,598 INFO L82 PathProgramCache]: Analyzing trace with hash -654467540, now seen corresponding path program 1 times [2018-04-11 15:36:51,598 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:51,598 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:51,599 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:51,599 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:51,608 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:51,656 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:36:51,657 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:36:51,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:36:51,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:36:51,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:36:51,658 INFO L87 Difference]: Start difference. First operand 228 states and 340 transitions. Second operand 4 states. [2018-04-11 15:36:51,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:51,734 INFO L93 Difference]: Finished difference Result 390 states and 573 transitions. [2018-04-11 15:36:51,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 15:36:51,734 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-11 15:36:51,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:51,736 INFO L225 Difference]: With dead ends: 390 [2018-04-11 15:36:51,736 INFO L226 Difference]: Without dead ends: 390 [2018-04-11 15:36:51,737 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:36:51,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-04-11 15:36:51,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 360. [2018-04-11 15:36:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-11 15:36:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 550 transitions. [2018-04-11 15:36:51,754 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 550 transitions. Word has length 16 [2018-04-11 15:36:51,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:51,754 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 550 transitions. [2018-04-11 15:36:51,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:36:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 550 transitions. [2018-04-11 15:36:51,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 15:36:51,755 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:51,755 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:36:51,755 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:51,755 INFO L82 PathProgramCache]: Analyzing trace with hash -654467539, now seen corresponding path program 1 times [2018-04-11 15:36:51,755 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:51,755 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:51,756 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:51,756 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:51,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:51,792 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:36:51,792 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:36:51,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:36:51,793 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:36:51,793 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:36:51,793 INFO L87 Difference]: Start difference. First operand 360 states and 550 transitions. Second operand 4 states. [2018-04-11 15:36:51,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:51,865 INFO L93 Difference]: Finished difference Result 489 states and 720 transitions. [2018-04-11 15:36:51,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 15:36:51,865 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-11 15:36:51,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:51,867 INFO L225 Difference]: With dead ends: 489 [2018-04-11 15:36:51,867 INFO L226 Difference]: Without dead ends: 489 [2018-04-11 15:36:51,868 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:36:51,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-04-11 15:36:51,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 462. [2018-04-11 15:36:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-04-11 15:36:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 698 transitions. [2018-04-11 15:36:51,876 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 698 transitions. Word has length 16 [2018-04-11 15:36:51,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:51,876 INFO L459 AbstractCegarLoop]: Abstraction has 462 states and 698 transitions. [2018-04-11 15:36:51,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:36:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 698 transitions. [2018-04-11 15:36:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 15:36:51,877 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:51,877 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:36:51,877 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:51,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2111148230, now seen corresponding path program 1 times [2018-04-11 15:36:51,877 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:51,877 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:51,878 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:51,878 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:51,884 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:51,909 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:36:51,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:36:51,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 15:36:51,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 15:36:51,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:36:51,909 INFO L87 Difference]: Start difference. First operand 462 states and 698 transitions. Second operand 5 states. [2018-04-11 15:36:51,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:51,946 INFO L93 Difference]: Finished difference Result 865 states and 1229 transitions. [2018-04-11 15:36:51,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:36:51,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-11 15:36:51,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:51,950 INFO L225 Difference]: With dead ends: 865 [2018-04-11 15:36:51,951 INFO L226 Difference]: Without dead ends: 865 [2018-04-11 15:36:51,951 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 [2018-04-11 15:36:51,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-04-11 15:36:51,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 830. [2018-04-11 15:36:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2018-04-11 15:36:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1198 transitions. [2018-04-11 15:36:51,973 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1198 transitions. Word has length 16 [2018-04-11 15:36:51,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:51,973 INFO L459 AbstractCegarLoop]: Abstraction has 830 states and 1198 transitions. [2018-04-11 15:36:51,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 15:36:51,973 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1198 transitions. [2018-04-11 15:36:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 15:36:51,974 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:51,974 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:36:51,974 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:51,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1464034702, now seen corresponding path program 1 times [2018-04-11 15:36:51,975 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:51,975 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:51,975 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:51,976 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:51,986 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:52,016 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:36:52,016 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:36:52,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:52,058 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:36:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:52,102 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:36:52,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-04-11 15:36:52,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:36:52,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:36:52,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:36:52,102 INFO L87 Difference]: Start difference. First operand 830 states and 1198 transitions. Second operand 6 states. [2018-04-11 15:36:52,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:52,165 INFO L93 Difference]: Finished difference Result 1293 states and 1813 transitions. [2018-04-11 15:36:52,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 15:36:52,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-11 15:36:52,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:52,170 INFO L225 Difference]: With dead ends: 1293 [2018-04-11 15:36:52,171 INFO L226 Difference]: Without dead ends: 1293 [2018-04-11 15:36:52,171 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:36:52,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2018-04-11 15:36:52,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1222. [2018-04-11 15:36:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2018-04-11 15:36:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1746 transitions. [2018-04-11 15:36:52,221 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1746 transitions. Word has length 26 [2018-04-11 15:36:52,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:52,221 INFO L459 AbstractCegarLoop]: Abstraction has 1222 states and 1746 transitions. [2018-04-11 15:36:52,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:36:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1746 transitions. [2018-04-11 15:36:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 15:36:52,222 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:52,222 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] [2018-04-11 15:36:52,222 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-11 15:36:52,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1396165131, now seen corresponding path program 1 times [2018-04-11 15:36:52,223 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:52,223 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:52,224 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:52,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:52,224 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:52,234 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:36:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:52,287 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:36:52,287 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:36:52,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:36:52,319 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:36:52,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:36:52,396 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:36:52,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-04-11 15:36:52,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 15:36:52,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 15:36:52,397 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-04-11 15:36:52,397 INFO L87 Difference]: Start difference. First operand 1222 states and 1746 transitions. Second operand 11 states. [2018-04-11 15:36:52,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:36:52,601 INFO L93 Difference]: Finished difference Result 3245 states and 4728 transitions. [2018-04-11 15:36:52,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 15:36:52,602 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2018-04-11 15:36:52,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:36:52,617 INFO L225 Difference]: With dead ends: 3245 [2018-04-11 15:36:52,617 INFO L226 Difference]: Without dead ends: 3245 [2018-04-11 15:36:52,618 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-04-11 15:36:52,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2018-04-11 15:36:52,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 3130. [2018-04-11 15:36:52,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3130 states. [2018-04-11 15:36:52,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 4500 transitions. [2018-04-11 15:36:52,703 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 4500 transitions. Word has length 27 [2018-04-11 15:36:52,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:36:52,703 INFO L459 AbstractCegarLoop]: Abstraction has 3130 states and 4500 transitions. [2018-04-11 15:36:52,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 15:36:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 4500 transitions. [2018-04-11 15:36:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 15:36:52,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:36:52,704 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] [2018-04-11 15:36:52,704 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]=== [2018-04-11 15:36:52,705 INFO L82 PathProgramCache]: Analyzing trace with hash 2081153715, now seen corresponding path program 1 times [2018-04-11 15:36:52,705 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:36:52,705 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:36:52,705 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:52,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:36:52,706 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:36:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 15:36:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 15:36:52,745 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 15:36:52,770 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-11 15:36:52,778 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 15:36:52,779 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 15:36:52,780 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 15:36:52,781 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 15:36:52,781 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 15:36:52,782 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-11 15:36:52,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:36:52 BoogieIcfgContainer [2018-04-11 15:36:52,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:36:52,793 INFO L168 Benchmark]: Toolchain (without parser) took 2563.69 ms. Allocated memory was 401.6 MB in the beginning and 619.7 MB in the end (delta: 218.1 MB). Free memory was 333.6 MB in the beginning and 447.4 MB in the end (delta: -113.8 MB). Peak memory consumption was 104.3 MB. Max. memory is 5.3 GB. [2018-04-11 15:36:52,794 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 401.6 MB. Free memory is still 358.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:36:52,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.68 ms. Allocated memory is still 401.6 MB. Free memory was 330.9 MB in the beginning and 305.8 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-11 15:36:52,794 INFO L168 Benchmark]: Boogie Preprocessor took 40.27 ms. Allocated memory is still 401.6 MB. Free memory was 305.8 MB in the beginning and 301.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-11 15:36:52,795 INFO L168 Benchmark]: RCFGBuilder took 448.61 ms. Allocated memory was 401.6 MB in the beginning and 588.8 MB in the end (delta: 187.2 MB). Free memory was 301.8 MB in the beginning and 517.0 MB in the end (delta: -215.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-11 15:36:52,795 INFO L168 Benchmark]: TraceAbstraction took 1835.73 ms. Allocated memory was 588.8 MB in the beginning and 619.7 MB in the end (delta: 30.9 MB). Free memory was 517.0 MB in the beginning and 447.4 MB in the end (delta: 69.7 MB). Peak memory consumption was 100.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:36:52,796 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 401.6 MB. Free memory is still 358.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 235.68 ms. Allocated memory is still 401.6 MB. Free memory was 330.9 MB in the beginning and 305.8 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.27 ms. Allocated memory is still 401.6 MB. Free memory was 305.8 MB in the beginning and 301.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 448.61 ms. Allocated memory was 401.6 MB in the beginning and 588.8 MB in the end (delta: 187.2 MB). Free memory was 301.8 MB in the beginning and 517.0 MB in the end (delta: -215.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1835.73 ms. Allocated memory was 588.8 MB in the beginning and 619.7 MB in the end (delta: 30.9 MB). Free memory was 517.0 MB in the beginning and 447.4 MB in the end (delta: 69.7 MB). Peak memory consumption was 100.6 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)=23, \old(garbage)=17, \old(pc1)=26, \old(pc4)=16, \old(res4)=15, \old(S)=11, \old(S)=25, \old(t1)=22, \old(t1)=24, \old(t4)=13, \old(t4)=18, \old(x1)=14, \old(x1)=20, \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, 1.7s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 954 SDtfs, 934 SDslu, 1730 SDs, 0 SdLazy, 448 SolverSat, 118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3130occurred 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, 337 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, 13042 SizeOfPredicates, 11 NumberOfNonLiveVariables, 602 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 16/24 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_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-36-52-802.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_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-36-52-802.csv Received shutdown request...