/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 16:24:40,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:24:40,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:24:40,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:24:40,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:24:40,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:24:40,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:24:40,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:24:40,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:24:40,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:24:40,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:24:40,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:24:40,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:24:40,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:24:40,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:24:40,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:24:40,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:24:40,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:24:40,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:24:40,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:24:40,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:24:40,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:24:40,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:24:40,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:24:40,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 16:24:40,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 16:24:40,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 16:24:40,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 16:24:40,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 16:24:40,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 16:24:40,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 16:24:40,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 16:24:40,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 16:24:40,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:24:40,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:24:40,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:24:40,971 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 [2021-02-21 16:24:41,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:24:41,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:24:41,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:24:41,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:24:41,029 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:24:41,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:24:41,030 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:24:41,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:24:41,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:24:41,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:24:41,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:24:41,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:24:41,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:24:41,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:24:41,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:24:41,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:24:41,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:24:41,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:24:41,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:24:41,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:24:41,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:24:41,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:24:41,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:24:41,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:24:41,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:24:41,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:24:41,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:24:41,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:24:41,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:24:41,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:24:41,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:24:41,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:24:41,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:24:41,496 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:24:41,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2021-02-21 16:24:41,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23f36f690/91e9ce624a9d4e2f9e9c51480d8af9d9/FLAGa5502dcd5 [2021-02-21 16:24:42,353 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:24:42,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2021-02-21 16:24:42,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23f36f690/91e9ce624a9d4e2f9e9c51480d8af9d9/FLAGa5502dcd5 [2021-02-21 16:24:42,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23f36f690/91e9ce624a9d4e2f9e9c51480d8af9d9 [2021-02-21 16:24:42,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:24:42,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:24:42,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:24:42,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:24:42,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:24:42,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:24:42" (1/1) ... [2021-02-21 16:24:42,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffe5671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:42, skipping insertion in model container [2021-02-21 16:24:42,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:24:42" (1/1) ... [2021-02-21 16:24:42,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:24:42,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:24:42,925 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-02-21 16:24:43,159 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2021-02-21 16:24:43,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:24:43,191 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:24:43,209 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-02-21 16:24:43,237 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i[30416,30429] [2021-02-21 16:24:43,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:24:43,391 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:24:43,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43 WrapperNode [2021-02-21 16:24:43,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:24:43,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:24:43,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:24:43,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:24:43,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43" (1/1) ... [2021-02-21 16:24:43,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43" (1/1) ... [2021-02-21 16:24:43,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43" (1/1) ... [2021-02-21 16:24:43,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43" (1/1) ... [2021-02-21 16:24:43,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43" (1/1) ... [2021-02-21 16:24:43,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43" (1/1) ... [2021-02-21 16:24:43,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43" (1/1) ... [2021-02-21 16:24:43,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:24:43,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:24:43,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:24:43,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:24:43,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43" (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 [2021-02-21 16:24:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:24:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:24:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_16 [2021-02-21 16:24:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-21 16:24:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-21 16:24:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-21 16:24:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-21 16:24:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-21 16:24:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:24:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-02-21 16:24:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:24:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_16 [2021-02-21 16:24:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_bswap16 [2021-02-21 16:24:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-21 16:24:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-21 16:24:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-21 16:24:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-21 16:24:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-21 16:24:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2021-02-21 16:24:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2021-02-21 16:24:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2021-02-21 16:24:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2021-02-21 16:24:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2021-02-21 16:24:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2021-02-21 16:24:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2021-02-21 16:24:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2021-02-21 16:24:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2021-02-21 16:24:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2021-02-21 16:24:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2021-02-21 16:24:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2021-02-21 16:24:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-02-21 16:24:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2021-02-21 16:24:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2021-02-21 16:24:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2021-02-21 16:24:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2021-02-21 16:24:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2021-02-21 16:24:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2021-02-21 16:24:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2021-02-21 16:24:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2021-02-21 16:24:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2021-02-21 16:24:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2021-02-21 16:24:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2021-02-21 16:24:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2021-02-21 16:24:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2021-02-21 16:24:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2021-02-21 16:24:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2021-02-21 16:24:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2021-02-21 16:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2021-02-21 16:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2021-02-21 16:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2021-02-21 16:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2021-02-21 16:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2021-02-21 16:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2021-02-21 16:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2021-02-21 16:24:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2021-02-21 16:24:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2021-02-21 16:24:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2021-02-21 16:24:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2021-02-21 16:24:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2021-02-21 16:24:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2021-02-21 16:24:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-02-21 16:24:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2021-02-21 16:24:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-02-21 16:24:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2021-02-21 16:24:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2021-02-21 16:24:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2021-02-21 16:24:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2021-02-21 16:24:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2021-02-21 16:24:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2021-02-21 16:24:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2021-02-21 16:24:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2021-02-21 16:24:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2021-02-21 16:24:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2021-02-21 16:24:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2021-02-21 16:24:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2021-02-21 16:24:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2021-02-21 16:24:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2021-02-21 16:24:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2021-02-21 16:24:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2021-02-21 16:24:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2021-02-21 16:24:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2021-02-21 16:24:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2021-02-21 16:24:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2021-02-21 16:24:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2021-02-21 16:24:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2021-02-21 16:24:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2021-02-21 16:24:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2021-02-21 16:24:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2021-02-21 16:24:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2021-02-21 16:24:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2021-02-21 16:24:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2021-02-21 16:24:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2021-02-21 16:24:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2021-02-21 16:24:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2021-02-21 16:24:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2021-02-21 16:24:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2021-02-21 16:24:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2021-02-21 16:24:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2021-02-21 16:24:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2021-02-21 16:24:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2021-02-21 16:24:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-02-21 16:24:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2021-02-21 16:24:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2021-02-21 16:24:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2021-02-21 16:24:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2021-02-21 16:24:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2021-02-21 16:24:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2021-02-21 16:24:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2021-02-21 16:24:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2021-02-21 16:24:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2021-02-21 16:24:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2021-02-21 16:24:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2021-02-21 16:24:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2021-02-21 16:24:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2021-02-21 16:24:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2021-02-21 16:24:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2021-02-21 16:24:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2021-02-21 16:24:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2021-02-21 16:24:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2021-02-21 16:24:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2021-02-21 16:24:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2021-02-21 16:24:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2021-02-21 16:24:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2021-02-21 16:24:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2021-02-21 16:24:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2021-02-21 16:24:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2021-02-21 16:24:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2021-02-21 16:24:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2021-02-21 16:24:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2021-02-21 16:24:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2021-02-21 16:24:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2021-02-21 16:24:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2021-02-21 16:24:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2021-02-21 16:24:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2021-02-21 16:24:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2021-02-21 16:24:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2021-02-21 16:24:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2021-02-21 16:24:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2021-02-21 16:24:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2021-02-21 16:24:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2021-02-21 16:24:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2021-02-21 16:24:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2021-02-21 16:24:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2021-02-21 16:24:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2021-02-21 16:24:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2021-02-21 16:24:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2021-02-21 16:24:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2021-02-21 16:24:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2021-02-21 16:24:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2021-02-21 16:24:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2021-02-21 16:24:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2021-02-21 16:24:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2021-02-21 16:24:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2021-02-21 16:24:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2021-02-21 16:24:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2021-02-21 16:24:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2021-02-21 16:24:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2021-02-21 16:24:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2021-02-21 16:24:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2021-02-21 16:24:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2021-02-21 16:24:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2021-02-21 16:24:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2021-02-21 16:24:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2021-02-21 16:24:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2021-02-21 16:24:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:24:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:24:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 16:24:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 16:24:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:24:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:24:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-02-21 16:24:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-02-21 16:24:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:24:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:24:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:24:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:24:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:24:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:24:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:24:43,703 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-21 16:24:44,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:24:44,704 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-21 16:24:44,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:24:44 BoogieIcfgContainer [2021-02-21 16:24:44,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:24:44,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:24:44,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:24:44,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:24:44,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:24:42" (1/3) ... [2021-02-21 16:24:44,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7973b734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:24:44, skipping insertion in model container [2021-02-21 16:24:44,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:24:43" (2/3) ... [2021-02-21 16:24:44,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7973b734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:24:44, skipping insertion in model container [2021-02-21 16:24:44,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:24:44" (3/3) ... [2021-02-21 16:24:44,715 INFO L111 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2021-02-21 16:24:44,723 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-21 16:24:44,723 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:24:44,729 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:24:44,730 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-21 16:24:44,767 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,767 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,767 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,767 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,768 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,768 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,768 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,768 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,768 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,769 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,769 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,769 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,770 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,770 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,770 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,770 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,771 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,771 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,771 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,772 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,774 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,774 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,775 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,775 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,775 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,775 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:24:44,784 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-02-21 16:24:44,804 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-02-21 16:24:44,828 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:24:44,828 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:24:44,828 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:24:44,829 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:24:44,829 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:24:44,829 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:24:44,829 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:24:44,829 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:24:44,840 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:382) 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:344) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:395) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-21 16:24:44,845 INFO L168 Benchmark]: Toolchain (without parser) took 2176.12 ms. Allocated memory is still 152.0 MB. Free memory was 126.1 MB in the beginning and 68.4 MB in the end (delta: 57.8 MB). Peak memory consumption was 57.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:44,846 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:24:44,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.25 ms. Allocated memory is still 152.0 MB. Free memory was 125.1 MB in the beginning and 132.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:44,848 INFO L168 Benchmark]: Boogie Preprocessor took 135.16 ms. Allocated memory is still 152.0 MB. Free memory was 132.3 MB in the beginning and 129.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:44,849 INFO L168 Benchmark]: RCFGBuilder took 1177.66 ms. Allocated memory is still 152.0 MB. Free memory was 129.2 MB in the beginning and 77.3 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:44,850 INFO L168 Benchmark]: TraceAbstraction took 134.38 ms. Allocated memory is still 152.0 MB. Free memory was 76.7 MB in the beginning and 68.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-02-21 16:24:44,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 706.25 ms. Allocated memory is still 152.0 MB. Free memory was 125.1 MB in the beginning and 132.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 135.16 ms. Allocated memory is still 152.0 MB. Free memory was 132.3 MB in the beginning and 129.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1177.66 ms. Allocated memory is still 152.0 MB. Free memory was 129.2 MB in the beginning and 77.3 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 134.38 ms. Allocated memory is still 152.0 MB. Free memory was 76.7 MB in the beginning and 68.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 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:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...