/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-wmm/safe009_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:39:47,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:39:47,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:39:47,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:39:47,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:39:47,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:39:47,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:39:47,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:39:47,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:39:47,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:39:47,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:39:47,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:39:47,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:39:47,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:39:47,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:39:47,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:39:47,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:39:47,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:39:47,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:39:47,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:39:47,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:39:47,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:39:47,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:39:47,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:39:47,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 18:39:47,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 18:39:47,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 18:39:47,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 18:39:47,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 18:39:47,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 18:39:47,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 18:39:47,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 18:39:47,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 18:39:47,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 18:39:47,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 18:39:47,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 18:39:47,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 18:39:47,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 18:39:47,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:39:47,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:39:47,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:39:47,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:39:47,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:39:47,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:39:47,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:39:47,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:39:47,979 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:39:47,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:39:47,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:39:47,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:39:47,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:39:47,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:39:47,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:39:47,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:39:47,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:39:47,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:39:47,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:39:47,981 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:39:47,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:39:47,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:39:47,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:39:47,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:39:47,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:39:47,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:39:47,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:39:47,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:39:47,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:39:47,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:39:47,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:39:47,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:39:47,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:39:47,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:39:48,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:39:48,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:39:48,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:39:48,454 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:39:48,455 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:39:48,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_tso.oepc.i [2020-10-23 18:39:48,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e471ae8/094512b40c7f41da9e204138130cc2fa/FLAGa812e9055 [2020-10-23 18:39:49,349 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:39:49,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_tso.oepc.i [2020-10-23 18:39:49,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e471ae8/094512b40c7f41da9e204138130cc2fa/FLAGa812e9055 [2020-10-23 18:39:49,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e471ae8/094512b40c7f41da9e204138130cc2fa [2020-10-23 18:39:49,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:39:49,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:39:49,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:39:49,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:39:49,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:39:49,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:39:49" (1/1) ... [2020-10-23 18:39:49,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c26b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:49, skipping insertion in model container [2020-10-23 18:39:49,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:39:49" (1/1) ... [2020-10-23 18:39:49,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:39:49,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:39:50,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:39:50,232 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:39:50,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:39:50,392 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:39:50,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50 WrapperNode [2020-10-23 18:39:50,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:39:50,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:39:50,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:39:50,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:39:50,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50" (1/1) ... [2020-10-23 18:39:50,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50" (1/1) ... [2020-10-23 18:39:50,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50" (1/1) ... [2020-10-23 18:39:50,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50" (1/1) ... [2020-10-23 18:39:50,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50" (1/1) ... [2020-10-23 18:39:50,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50" (1/1) ... [2020-10-23 18:39:50,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50" (1/1) ... [2020-10-23 18:39:50,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:39:50,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:39:50,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:39:50,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:39:50,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:39:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:39:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:39:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-23 18:39:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:39:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-23 18:39:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-23 18:39:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-23 18:39:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-23 18:39:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-23 18:39:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-23 18:39:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-23 18:39:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-23 18:39:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-23 18:39:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2020-10-23 18:39:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2020-10-23 18:39:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2020-10-23 18:39:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:39:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:39:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-23 18:39:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-23 18:39:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:39:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-23 18:39:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-23 18:39:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:39:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:39:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-23 18:39:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-23 18:39:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-23 18:39:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-23 18:39:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-23 18:39:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-23 18:39:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-23 18:39:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-23 18:39:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-10-23 18:39:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-10-23 18:39:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-10-23 18:39:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-10-23 18:39:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-10-23 18:39:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-10-23 18:39:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-10-23 18:39:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-10-23 18:39:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-10-23 18:39:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-10-23 18:39:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-10-23 18:39:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-10-23 18:39:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-10-23 18:39:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-10-23 18:39:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-10-23 18:39:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-10-23 18:39:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-10-23 18:39:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-10-23 18:39:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-10-23 18:39:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-10-23 18:39:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-10-23 18:39:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-10-23 18:39:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-10-23 18:39:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-10-23 18:39:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-10-23 18:39:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-10-23 18:39:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-10-23 18:39:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-10-23 18:39:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-10-23 18:39:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-10-23 18:39:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-10-23 18:39:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-10-23 18:39:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-10-23 18:39:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-10-23 18:39:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-10-23 18:39:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-10-23 18:39:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-10-23 18:39:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-10-23 18:39:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-10-23 18:39:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-10-23 18:39:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-10-23 18:39:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-10-23 18:39:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-10-23 18:39:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-10-23 18:39:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-10-23 18:39:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-10-23 18:39:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-10-23 18:39:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-10-23 18:39:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-10-23 18:39:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-10-23 18:39:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-10-23 18:39:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-10-23 18:39:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-10-23 18:39:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-10-23 18:39:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-10-23 18:39:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-10-23 18:39:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-10-23 18:39:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-10-23 18:39:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-10-23 18:39:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-10-23 18:39:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-10-23 18:39:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-10-23 18:39:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-10-23 18:39:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-10-23 18:39:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-10-23 18:39:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-10-23 18:39:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-10-23 18:39:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-10-23 18:39:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-10-23 18:39:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-10-23 18:39:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-10-23 18:39:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-10-23 18:39:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-10-23 18:39:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-10-23 18:39:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-10-23 18:39:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-10-23 18:39:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-10-23 18:39:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-10-23 18:39:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-10-23 18:39:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-10-23 18:39:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-10-23 18:39:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-10-23 18:39:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-10-23 18:39:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-10-23 18:39:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-10-23 18:39:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-10-23 18:39:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-10-23 18:39:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-10-23 18:39:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-10-23 18:39:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-10-23 18:39:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-10-23 18:39:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-10-23 18:39:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-10-23 18:39:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-10-23 18:39:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-10-23 18:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-10-23 18:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-10-23 18:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-10-23 18:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-10-23 18:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-10-23 18:39:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-10-23 18:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-10-23 18:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-10-23 18:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-10-23 18:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-10-23 18:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-10-23 18:39:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-10-23 18:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-10-23 18:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-10-23 18:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-10-23 18:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-10-23 18:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-10-23 18:39:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-10-23 18:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-10-23 18:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-10-23 18:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-10-23 18:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-10-23 18:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-10-23 18:39:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-10-23 18:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-10-23 18:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-10-23 18:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-10-23 18:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-10-23 18:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-10-23 18:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-10-23 18:39:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-10-23 18:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-10-23 18:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-10-23 18:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-10-23 18:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-10-23 18:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-10-23 18:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-10-23 18:39:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-10-23 18:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-10-23 18:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-10-23 18:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-10-23 18:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-10-23 18:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-10-23 18:39:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-10-23 18:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-10-23 18:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-10-23 18:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-10-23 18:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-10-23 18:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-10-23 18:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-10-23 18:39:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-10-23 18:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-23 18:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-23 18:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-23 18:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2020-10-23 18:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2020-10-23 18:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2020-10-23 18:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:39:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:39:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:39:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:39:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:39:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:39:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:39:50,591 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-23 18:39:51,194 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:39:51,195 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 18:39:51,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:39:51 BoogieIcfgContainer [2020-10-23 18:39:51,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:39:51,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:39:51,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:39:51,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:39:51,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:39:49" (1/3) ... [2020-10-23 18:39:51,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e93cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:39:51, skipping insertion in model container [2020-10-23 18:39:51,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:39:50" (2/3) ... [2020-10-23 18:39:51,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e93cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:39:51, skipping insertion in model container [2020-10-23 18:39:51,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:39:51" (3/3) ... [2020-10-23 18:39:51,207 INFO L111 eAbstractionObserver]: Analyzing ICFG safe009_tso.oepc.i [2020-10-23 18:39:51,219 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-23 18:39:51,219 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:39:51,225 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:39:51,226 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-23 18:39:51,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,259 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,259 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,261 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,262 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,263 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,266 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,266 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,274 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,274 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,277 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,278 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,278 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-23 18:39:51,280 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-23 18:39:51,294 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-23 18:39:51,317 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:39:51,317 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:39:51,317 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:39:51,318 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:39:51,318 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:39:51,318 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:39:51,318 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:39:51,318 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:39:51,328 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:346) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:396) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) 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:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) 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) [2020-10-23 18:39:51,333 INFO L168 Benchmark]: Toolchain (without parser) took 1687.34 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 109.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:51,335 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory was 100.9 MB in the beginning and 100.8 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:39:51,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.47 ms. Allocated memory is still 152.0 MB. Free memory was 125.2 MB in the beginning and 128.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:51,336 INFO L168 Benchmark]: Boogie Preprocessor took 66.41 ms. Allocated memory is still 152.0 MB. Free memory was 128.3 MB in the beginning and 125.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:51,337 INFO L168 Benchmark]: RCFGBuilder took 736.32 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 118.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:51,338 INFO L168 Benchmark]: TraceAbstraction took 131.49 ms. Allocated memory is still 152.0 MB. Free memory was 118.1 MB in the beginning and 109.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:39:51,342 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 125.8 MB. Free memory was 100.9 MB in the beginning and 100.8 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 736.47 ms. Allocated memory is still 152.0 MB. Free memory was 125.2 MB in the beginning and 128.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 66.41 ms. Allocated memory is still 152.0 MB. Free memory was 128.3 MB in the beginning and 125.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 736.32 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 118.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 131.49 ms. Allocated memory is still 152.0 MB. Free memory was 118.1 MB in the beginning and 109.2 MB in the end (delta: 8.9 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:390) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...