/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 14:13:51,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 14:13:51,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 14:13:51,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 14:13:51,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 14:13:51,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 14:13:51,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 14:13:51,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 14:13:51,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 14:13:51,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 14:13:51,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 14:13:51,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 14:13:51,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 14:13:51,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 14:13:51,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 14:13:51,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 14:13:51,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 14:13:51,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 14:13:51,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 14:13:51,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 14:13:51,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 14:13:51,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 14:13:51,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 14:13:51,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 14:13:51,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 14:13:51,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 14:13:51,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 14:13:51,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 14:13:51,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 14:13:51,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 14:13:51,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 14:13:51,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 14:13:51,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 14:13:51,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 14:13:51,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 14:13:51,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 14:13:51,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 14:13:51,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 14:13:51,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 14:13:51,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 14:13:51,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 14:13:51,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 14:13:51,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 14:13:51,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 14:13:51,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 14:13:51,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 14:13:51,870 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 14:13:51,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 14:13:51,871 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 14:13:51,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 14:13:51,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 14:13:51,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 14:13:51,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 14:13:51,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 14:13:51,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 14:13:51,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 14:13:51,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 14:13:51,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 14:13:51,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 14:13:51,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 14:13:51,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 14:13:51,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 14:13:51,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 14:13:51,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 14:13:51,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 14:13:51,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 14:13:51,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 14:13:51,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 14:13:51,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 14:13:51,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 14:13:51,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 14:13:51,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 14:13:52,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 14:13:52,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 14:13:52,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 14:13:52,187 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 14:13:52,187 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 14:13:52,188 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i [2020-07-20 14:13:52,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9483232a/e9004d1f0a66419e845af59a9008a447/FLAG454d1c4d7 [2020-07-20 14:13:52,845 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 14:13:52,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i [2020-07-20 14:13:52,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9483232a/e9004d1f0a66419e845af59a9008a447/FLAG454d1c4d7 [2020-07-20 14:13:53,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9483232a/e9004d1f0a66419e845af59a9008a447 [2020-07-20 14:13:53,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 14:13:53,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 14:13:53,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 14:13:53,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 14:13:53,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 14:13:53,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:13:53" (1/1) ... [2020-07-20 14:13:53,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7510c97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53, skipping insertion in model container [2020-07-20 14:13:53,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:13:53" (1/1) ... [2020-07-20 14:13:53,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 14:13:53,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 14:13:53,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:13:53,803 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 14:13:53,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 14:13:53,979 INFO L208 MainTranslator]: Completed translation [2020-07-20 14:13:53,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53 WrapperNode [2020-07-20 14:13:53,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 14:13:53,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 14:13:53,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 14:13:53,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 14:13:53,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53" (1/1) ... [2020-07-20 14:13:53,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53" (1/1) ... [2020-07-20 14:13:54,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53" (1/1) ... [2020-07-20 14:13:54,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53" (1/1) ... [2020-07-20 14:13:54,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53" (1/1) ... [2020-07-20 14:13:54,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53" (1/1) ... [2020-07-20 14:13:54,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53" (1/1) ... [2020-07-20 14:13:54,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 14:13:54,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 14:13:54,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 14:13:54,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 14:13:54,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53" (1/1) ... No working directory specified, using /storage/repos/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 [2020-07-20 14:13:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 14:13:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 14:13:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-20 14:13:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 14:13:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-20 14:13:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-20 14:13:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-20 14:13:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-20 14:13:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-20 14:13:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-20 14:13:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-20 14:13:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2020-07-20 14:13:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2020-07-20 14:13:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2020-07-20 14:13:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 14:13:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 14:13:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-20 14:13:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-20 14:13:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 14:13:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 14:13:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-20 14:13:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-20 14:13:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 14:13:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-07-20 14:13:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-07-20 14:13:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-20 14:13:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-20 14:13:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-20 14:13:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-20 14:13:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-20 14:13:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-07-20 14:13:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-07-20 14:13:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-07-20 14:13:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-07-20 14:13:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-07-20 14:13:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-07-20 14:13:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-07-20 14:13:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-07-20 14:13:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-07-20 14:13:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-07-20 14:13:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-07-20 14:13:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-07-20 14:13:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-07-20 14:13:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-07-20 14:13:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-07-20 14:13:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-07-20 14:13:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-07-20 14:13:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-07-20 14:13:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-07-20 14:13:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-07-20 14:13:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-07-20 14:13:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-07-20 14:13:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-07-20 14:13:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-07-20 14:13:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-07-20 14:13:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-07-20 14:13:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-07-20 14:13:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-07-20 14:13:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-07-20 14:13:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-07-20 14:13:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-07-20 14:13:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-07-20 14:13:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-07-20 14:13:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-07-20 14:13:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-07-20 14:13:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-07-20 14:13:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-07-20 14:13:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-07-20 14:13:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-07-20 14:13:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-07-20 14:13:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-07-20 14:13:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-07-20 14:13:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-07-20 14:13:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-07-20 14:13:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-07-20 14:13:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-07-20 14:13:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-07-20 14:13:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-07-20 14:13:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-07-20 14:13:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-07-20 14:13:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-07-20 14:13:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-07-20 14:13:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-07-20 14:13:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-07-20 14:13:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-07-20 14:13:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-07-20 14:13:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-07-20 14:13:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-07-20 14:13:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-07-20 14:13:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-07-20 14:13:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-07-20 14:13:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-07-20 14:13:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-07-20 14:13:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-07-20 14:13:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-07-20 14:13:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-07-20 14:13:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-07-20 14:13:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-07-20 14:13:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-07-20 14:13:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-07-20 14:13:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-07-20 14:13:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-07-20 14:13:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-07-20 14:13:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-07-20 14:13:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-07-20 14:13:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-07-20 14:13:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-07-20 14:13:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-07-20 14:13:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-07-20 14:13:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-07-20 14:13:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-07-20 14:13:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-07-20 14:13:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-07-20 14:13:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-07-20 14:13:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-07-20 14:13:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-07-20 14:13:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-07-20 14:13:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-07-20 14:13:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-07-20 14:13:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-07-20 14:13:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-07-20 14:13:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-07-20 14:13:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-07-20 14:13:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-07-20 14:13:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-07-20 14:13:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-07-20 14:13:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-07-20 14:13:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-07-20 14:13:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-07-20 14:13:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-07-20 14:13:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-07-20 14:13:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-07-20 14:13:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-07-20 14:13:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-07-20 14:13:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-07-20 14:13:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-07-20 14:13:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-07-20 14:13:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-07-20 14:13:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-07-20 14:13:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-07-20 14:13:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-07-20 14:13:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-07-20 14:13:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-07-20 14:13:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-07-20 14:13:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-07-20 14:13:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-07-20 14:13:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-07-20 14:13:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-07-20 14:13:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-07-20 14:13:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-07-20 14:13:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-07-20 14:13:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-07-20 14:13:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-07-20 14:13:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-07-20 14:13:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-07-20 14:13:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-07-20 14:13:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-07-20 14:13:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-07-20 14:13:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-07-20 14:13:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-07-20 14:13:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-07-20 14:13:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-07-20 14:13:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-07-20 14:13:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-07-20 14:13:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-07-20 14:13:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-07-20 14:13:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-07-20 14:13:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-07-20 14:13:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-07-20 14:13:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-07-20 14:13:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-07-20 14:13:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-07-20 14:13:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-07-20 14:13:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-07-20 14:13:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-07-20 14:13:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-07-20 14:13:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-20 14:13:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-20 14:13:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2020-07-20 14:13:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2020-07-20 14:13:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2020-07-20 14:13:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 14:13:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 14:13:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 14:13:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 14:13:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 14:13:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 14:13:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 14:13:54,160 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-20 14:13:54,724 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 14:13:54,724 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 14:13:54,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:13:54 BoogieIcfgContainer [2020-07-20 14:13:54,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 14:13:54,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 14:13:54,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 14:13:54,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 14:13:54,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:13:53" (1/3) ... [2020-07-20 14:13:54,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b2dcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:13:54, skipping insertion in model container [2020-07-20 14:13:54,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:53" (2/3) ... [2020-07-20 14:13:54,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b2dcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:13:54, skipping insertion in model container [2020-07-20 14:13:54,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:13:54" (3/3) ... [2020-07-20 14:13:54,738 INFO L109 eAbstractionObserver]: Analyzing ICFG safe036_tso.opt.i [2020-07-20 14:13:54,750 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-20 14:13:54,750 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 14:13:54,759 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 14:13:54,760 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-20 14:13:54,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,790 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,790 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,792 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,792 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,796 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,797 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,806 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,806 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 14:13:54,823 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-20 14:13:54,843 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 14:13:54,844 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 14:13:54,844 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 14:13:54,844 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 14:13:54,844 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 14:13:54,844 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 14:13:54,845 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 14:13:54,845 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 14:13:54,854 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-20 14:13:54,860 INFO L168 Benchmark]: Toolchain (without parser) took 1712.98 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.4 MB in the beginning and 91.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2020-07-20 14:13:54,861 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 14:13:54,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.98 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.0 MB in the beginning and 159.5 MB in the end (delta: -60.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-07-20 14:13:54,863 INFO L168 Benchmark]: Boogie Preprocessor took 66.36 ms. Allocated memory is still 201.9 MB. Free memory was 159.5 MB in the beginning and 156.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-07-20 14:13:54,864 INFO L168 Benchmark]: RCFGBuilder took 680.77 ms. Allocated memory is still 201.9 MB. Free memory was 156.1 MB in the beginning and 101.4 MB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2020-07-20 14:13:54,865 INFO L168 Benchmark]: TraceAbstraction took 126.63 ms. Allocated memory is still 201.9 MB. Free memory was 100.8 MB in the beginning and 91.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2020-07-20 14:13:54,869 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.98 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.0 MB in the beginning and 159.5 MB in the end (delta: -60.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.36 ms. Allocated memory is still 201.9 MB. Free memory was 159.5 MB in the beginning and 156.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 680.77 ms. Allocated memory is still 201.9 MB. Free memory was 156.1 MB in the beginning and 101.4 MB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 126.63 ms. Allocated memory is still 201.9 MB. Free memory was 100.8 MB in the beginning and 91.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:390) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...