/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:23:35,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:23:35,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:23:35,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:23:35,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:23:35,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:23:35,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:23:35,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:23:35,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:23:35,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:23:35,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:23:35,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:23:35,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:23:35,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:23:35,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:23:35,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:23:35,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:23:35,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:23:35,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:23:35,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:23:35,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:23:35,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:23:35,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:23:35,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:23:35,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:23:35,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:23:35,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:23:35,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:23:35,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:23:35,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:23:35,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:23:35,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:23:35,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:23:35,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:23:35,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:23:35,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:23:35,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:23:35,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:23:35,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:23:35,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:23:35,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:23:35,431 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 20:23:35,458 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:23:35,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:23:35,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:23:35,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:23:35,461 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:23:35,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:23:35,461 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:23:35,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:23:35,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:23:35,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:23:35,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:23:35,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:23:35,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:23:35,465 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:23:35,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:23:35,465 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:23:35,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:23:35,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:23:35,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:23:35,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:23:35,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:23:35,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:23:35,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:23:35,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:23:35,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:23:35,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:23:35,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:23:35,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:23:35,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:23:35,468 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:23:35,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:23:35,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:23:35,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:23:35,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:23:35,791 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:23:35,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2020-08-18 20:23:35,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33a2c6f09/3499cc5374084328be20dc99d7748272/FLAG9267f0f7c [2020-08-18 20:23:36,431 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:23:36,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2020-08-18 20:23:36,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33a2c6f09/3499cc5374084328be20dc99d7748272/FLAG9267f0f7c [2020-08-18 20:23:36,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33a2c6f09/3499cc5374084328be20dc99d7748272 [2020-08-18 20:23:36,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:23:36,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:23:36,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:23:36,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:23:36,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:23:36,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:23:36" (1/1) ... [2020-08-18 20:23:36,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e38c3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:36, skipping insertion in model container [2020-08-18 20:23:36,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:23:36" (1/1) ... [2020-08-18 20:23:36,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:23:36,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:23:37,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:23:37,292 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:23:37,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:23:37,454 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:23:37,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37 WrapperNode [2020-08-18 20:23:37,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:23:37,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:23:37,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:23:37,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:23:37,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37" (1/1) ... [2020-08-18 20:23:37,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37" (1/1) ... [2020-08-18 20:23:37,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37" (1/1) ... [2020-08-18 20:23:37,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37" (1/1) ... [2020-08-18 20:23:37,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37" (1/1) ... [2020-08-18 20:23:37,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37" (1/1) ... [2020-08-18 20:23:37,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37" (1/1) ... [2020-08-18 20:23:37,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:23:37,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:23:37,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:23:37,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:23:37,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 20:23:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:23:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:23:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-18 20:23:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-18 20:23:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-08-18 20:23:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-08-18 20:23:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-08-18 20:23:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-08-18 20:23:37,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:23:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:23:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-08-18 20:23:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-18 20:23:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-18 20:23:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-08-18 20:23:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-08-18 20:23:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-08-18 20:23:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-08-18 20:23:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-08-18 20:23:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-08-18 20:23:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-08-18 20:23:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-08-18 20:23:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-08-18 20:23:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-08-18 20:23:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-08-18 20:23:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-08-18 20:23:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-08-18 20:23:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-08-18 20:23:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-08-18 20:23:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-08-18 20:23:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-08-18 20:23:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-08-18 20:23:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-08-18 20:23:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-08-18 20:23:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-08-18 20:23:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-08-18 20:23:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-08-18 20:23:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-08-18 20:23:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-08-18 20:23:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-08-18 20:23:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-08-18 20:23:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-08-18 20:23:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-08-18 20:23:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-08-18 20:23:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-08-18 20:23:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-08-18 20:23:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-08-18 20:23:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-08-18 20:23:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-08-18 20:23:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-08-18 20:23:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-08-18 20:23:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-08-18 20:23:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-08-18 20:23:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-08-18 20:23:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-08-18 20:23:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-08-18 20:23:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-08-18 20:23:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-08-18 20:23:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-08-18 20:23:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-08-18 20:23:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-08-18 20:23:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-08-18 20:23:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-08-18 20:23:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-08-18 20:23:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-08-18 20:23:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-08-18 20:23:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-08-18 20:23:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-08-18 20:23:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-08-18 20:23:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-08-18 20:23:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-08-18 20:23:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-08-18 20:23:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-08-18 20:23:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-08-18 20:23:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-08-18 20:23:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-08-18 20:23:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-08-18 20:23:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-08-18 20:23:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-08-18 20:23:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-08-18 20:23:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-08-18 20:23:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-08-18 20:23:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-08-18 20:23:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-08-18 20:23:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-08-18 20:23:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-08-18 20:23:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-08-18 20:23:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-08-18 20:23:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-08-18 20:23:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-08-18 20:23:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-08-18 20:23:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-08-18 20:23:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-08-18 20:23:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-08-18 20:23:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-08-18 20:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-08-18 20:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-08-18 20:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-08-18 20:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-08-18 20:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-08-18 20:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-08-18 20:23:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-08-18 20:23:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-08-18 20:23:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-08-18 20:23:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-08-18 20:23:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-08-18 20:23:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-08-18 20:23:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-08-18 20:23:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-08-18 20:23:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-08-18 20:23:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-08-18 20:23:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-08-18 20:23:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-08-18 20:23:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-08-18 20:23:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-08-18 20:23:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-08-18 20:23:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-08-18 20:23:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-08-18 20:23:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-08-18 20:23:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-08-18 20:23:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-08-18 20:23:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-08-18 20:23:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-08-18 20:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-08-18 20:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-08-18 20:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-08-18 20:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-08-18 20:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-08-18 20:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-08-18 20:23:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-08-18 20:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-08-18 20:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-08-18 20:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-08-18 20:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-08-18 20:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-08-18 20:23:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-08-18 20:23:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-08-18 20:23:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-08-18 20:23:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-08-18 20:23:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-08-18 20:23:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-08-18 20:23:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-08-18 20:23:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-08-18 20:23:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-08-18 20:23:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-08-18 20:23:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-08-18 20:23:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-08-18 20:23:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-08-18 20:23:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-08-18 20:23:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-08-18 20:23:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-08-18 20:23:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-08-18 20:23:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-08-18 20:23:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-08-18 20:23:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-08-18 20:23:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-08-18 20:23:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-08-18 20:23:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-08-18 20:23:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-08-18 20:23:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-08-18 20:23:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-08-18 20:23:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-08-18 20:23:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-08-18 20:23:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-08-18 20:23:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:23:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:23:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:23:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:23:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:23:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:23:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:23:37,630 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-08-18 20:23:38,166 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:23:38,166 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-18 20:23:38,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:23:38 BoogieIcfgContainer [2020-08-18 20:23:38,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:23:38,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:23:38,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:23:38,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:23:38,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:23:36" (1/3) ... [2020-08-18 20:23:38,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36846a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:23:38, skipping insertion in model container [2020-08-18 20:23:38,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:23:37" (2/3) ... [2020-08-18 20:23:38,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36846a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:23:38, skipping insertion in model container [2020-08-18 20:23:38,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:23:38" (3/3) ... [2020-08-18 20:23:38,178 INFO L109 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2020-08-18 20:23:38,186 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-08-18 20:23:38,186 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:23:38,194 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:23:38,195 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-08-18 20:23:38,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,234 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,234 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,234 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,248 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,248 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,248 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-18 20:23:38,268 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-08-18 20:23:38,291 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:23:38,292 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:23:38,292 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:23:38,292 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:23:38,292 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:23:38,292 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:23:38,292 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:23:38,293 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:23:38,302 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-08-18 20:23:38,307 INFO L168 Benchmark]: Toolchain (without parser) took 1618.87 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 100.2 MB in the beginning and 91.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:38,308 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 144.7 MB. Free memory was 119.3 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:23:38,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.00 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 161.2 MB in the end (delta: -61.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:38,310 INFO L168 Benchmark]: Boogie Preprocessor took 64.38 ms. Allocated memory is still 201.3 MB. Free memory was 161.2 MB in the beginning and 157.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:38,311 INFO L168 Benchmark]: RCFGBuilder took 648.15 ms. Allocated memory is still 201.3 MB. Free memory was 157.8 MB in the beginning and 105.2 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:38,312 INFO L168 Benchmark]: TraceAbstraction took 133.13 ms. Allocated memory is still 201.3 MB. Free memory was 104.5 MB in the beginning and 91.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:23:38,316 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 144.7 MB. Free memory was 119.3 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.00 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 161.2 MB in the end (delta: -61.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.38 ms. Allocated memory is still 201.3 MB. Free memory was 161.2 MB in the beginning and 157.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 648.15 ms. Allocated memory is still 201.3 MB. Free memory was 157.8 MB in the beginning and 105.2 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 133.13 ms. Allocated memory is still 201.3 MB. Free memory was 104.5 MB in the beginning and 91.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 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...