/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/pthread-ext/16_peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:25:14,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:25:14,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:25:14,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:25:14,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:25:14,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:25:14,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:25:14,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:25:14,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:25:14,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:25:14,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:25:14,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:25:14,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:25:14,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:25:14,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:25:14,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:25:14,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:25:14,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:25:14,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:25:14,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:25:14,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:25:14,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:25:14,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:25:14,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:25:14,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:25:14,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:25:14,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:25:14,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:25:14,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:25:14,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:25:14,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:25:14,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:25:14,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:25:14,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:25:14,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:25:14,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:25:14,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:25:14,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:25:14,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:25:14,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:25:14,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:25:14,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:25:14,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:25:14,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:25:14,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:25:14,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:25:14,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:25:14,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:25:14,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:25:14,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:25:14,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:25:14,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:25:14,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:25:14,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:25:14,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:25:14,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:25:14,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:25:14,802 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:25:14,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:25:14,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:25:14,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:25:14,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:25:14,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:25:14,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:25:14,804 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:25:15,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:25:15,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:25:15,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:25:15,123 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:25:15,123 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:25:15,124 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/16_peterson.i [2020-07-07 15:25:15,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51efe4ea0/524d1d3a38b24505aa98dca055df0a3f/FLAG799f3b993 [2020-07-07 15:25:15,777 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:25:15,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/16_peterson.i [2020-07-07 15:25:15,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51efe4ea0/524d1d3a38b24505aa98dca055df0a3f/FLAG799f3b993 [2020-07-07 15:25:16,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51efe4ea0/524d1d3a38b24505aa98dca055df0a3f [2020-07-07 15:25:16,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:25:16,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:25:16,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:25:16,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:25:16,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:25:16,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:25:16" (1/1) ... [2020-07-07 15:25:16,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6089cd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16, skipping insertion in model container [2020-07-07 15:25:16,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:25:16" (1/1) ... [2020-07-07 15:25:16,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:25:16,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:25:16,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:25:16,721 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:25:16,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:25:16,896 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:25:16,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16 WrapperNode [2020-07-07 15:25:16,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:25:16,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:25:16,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:25:16,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:25:16,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16" (1/1) ... [2020-07-07 15:25:16,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16" (1/1) ... [2020-07-07 15:25:16,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16" (1/1) ... [2020-07-07 15:25:16,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16" (1/1) ... [2020-07-07 15:25:16,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16" (1/1) ... [2020-07-07 15:25:16,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16" (1/1) ... [2020-07-07 15:25:16,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16" (1/1) ... [2020-07-07 15:25:17,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:25:17,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:25:17,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:25:17,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:25:17,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:25:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:25:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:25:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-07 15:25:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-07 15:25:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-07 15:25:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-07 15:25:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-07 15:25:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-07-07 15:25:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-07-07 15:25:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:25:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:25:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-07 15:25:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-07 15:25:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-07 15:25:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-07 15:25:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-07 15:25:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-07-07 15:25:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-07-07 15:25:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-07-07 15:25:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-07-07 15:25:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-07-07 15:25:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-07-07 15:25:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-07-07 15:25:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-07-07 15:25:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-07-07 15:25:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-07-07 15:25:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-07-07 15:25:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-07-07 15:25:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-07-07 15:25:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-07-07 15:25:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-07-07 15:25:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-07-07 15:25:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-07-07 15:25:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-07-07 15:25:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-07-07 15:25:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-07-07 15:25:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-07-07 15:25:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-07-07 15:25:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-07-07 15:25:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-07-07 15:25:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-07-07 15:25:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-07-07 15:25:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-07-07 15:25:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-07-07 15:25:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-07-07 15:25:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-07-07 15:25:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-07-07 15:25:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-07-07 15:25:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-07-07 15:25:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-07-07 15:25:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-07-07 15:25:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-07-07 15:25:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-07-07 15:25:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-07-07 15:25:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-07-07 15:25:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-07-07 15:25:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-07-07 15:25:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-07-07 15:25:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-07-07 15:25:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-07-07 15:25:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-07-07 15:25:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-07-07 15:25:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-07-07 15:25:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-07-07 15:25:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-07-07 15:25:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-07-07 15:25:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-07-07 15:25:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-07-07 15:25:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-07-07 15:25:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-07-07 15:25:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-07-07 15:25:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-07-07 15:25:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-07-07 15:25:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-07-07 15:25:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-07-07 15:25:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-07-07 15:25:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-07-07 15:25:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-07-07 15:25:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-07-07 15:25:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-07-07 15:25:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-07-07 15:25:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-07-07 15:25:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-07-07 15:25:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-07-07 15:25:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-07-07 15:25:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-07-07 15:25:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-07-07 15:25:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-07-07 15:25:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-07-07 15:25:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-07-07 15:25:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-07-07 15:25:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-07-07 15:25:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-07-07 15:25:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-07-07 15:25:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-07-07 15:25:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-07-07 15:25:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-07-07 15:25:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-07-07 15:25:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-07-07 15:25:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-07-07 15:25:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-07-07 15:25:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-07-07 15:25:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-07-07 15:25:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-07-07 15:25:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-07-07 15:25:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-07-07 15:25:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-07-07 15:25:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-07-07 15:25:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-07-07 15:25:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-07-07 15:25:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-07-07 15:25:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-07-07 15:25:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-07-07 15:25:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-07-07 15:25:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-07-07 15:25:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-07-07 15:25:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-07-07 15:25:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-07-07 15:25:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-07-07 15:25:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-07-07 15:25:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-07-07 15:25:17,112 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-07-07 15:25:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-07-07 15:25:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-07-07 15:25:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-07-07 15:25:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-07-07 15:25:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-07-07 15:25:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-07-07 15:25:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-07-07 15:25:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-07-07 15:25:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-07-07 15:25:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-07-07 15:25:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-07-07 15:25:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-07-07 15:25:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-07-07 15:25:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-07-07 15:25:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-07-07 15:25:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-07-07 15:25:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-07-07 15:25:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-07-07 15:25:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-07-07 15:25:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-07-07 15:25:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-07-07 15:25:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-07-07 15:25:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-07-07 15:25:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-07-07 15:25:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-07-07 15:25:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-07-07 15:25:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-07-07 15:25:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-07-07 15:25:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-07-07 15:25:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-07-07 15:25:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-07-07 15:25:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-07-07 15:25:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-07-07 15:25:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-07-07 15:25:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-07-07 15:25:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-07-07 15:25:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-07-07 15:25:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-07-07 15:25:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-07-07 15:25:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-07-07 15:25:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-07-07 15:25:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-07-07 15:25:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:25:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:25:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 15:25:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:25:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:25:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:25:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 15:25:17,718 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:25:17,718 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-07 15:25:17,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:25:17 BoogieIcfgContainer [2020-07-07 15:25:17,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:25:17,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:25:17,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:25:17,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:25:17,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:25:16" (1/3) ... [2020-07-07 15:25:17,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db89153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:25:17, skipping insertion in model container [2020-07-07 15:25:17,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:16" (2/3) ... [2020-07-07 15:25:17,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db89153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:25:17, skipping insertion in model container [2020-07-07 15:25:17,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:25:17" (3/3) ... [2020-07-07 15:25:17,730 INFO L109 eAbstractionObserver]: Analyzing ICFG 16_peterson.i [2020-07-07 15:25:17,740 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-07 15:25:17,741 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:25:17,749 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-07-07 15:25:17,750 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-07 15:25:17,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-07 15:25:17,798 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-07 15:25:17,813 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:25:17,813 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:25:17,813 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:25:17,813 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:25:17,814 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:25:17,814 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:25:17,814 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:25:17,814 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:25:17,823 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:25:17,828 INFO L168 Benchmark]: Toolchain (without parser) took 1784.69 ms. Allocated memory was 141.6 MB in the beginning and 199.8 MB in the end (delta: 58.2 MB). Free memory was 99.0 MB in the beginning and 98.4 MB in the end (delta: 602.3 kB). Peak memory consumption was 58.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:17,829 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 141.6 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 15:25:17,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.92 ms. Allocated memory was 141.6 MB in the beginning and 199.8 MB in the end (delta: 58.2 MB). Free memory was 98.8 MB in the beginning and 160.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:17,831 INFO L168 Benchmark]: Boogie Preprocessor took 104.41 ms. Allocated memory is still 199.8 MB. Free memory was 160.5 MB in the beginning and 157.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:17,832 INFO L168 Benchmark]: RCFGBuilder took 718.72 ms. Allocated memory is still 199.8 MB. Free memory was 157.7 MB in the beginning and 106.2 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:17,833 INFO L168 Benchmark]: TraceAbstraction took 101.90 ms. Allocated memory is still 199.8 MB. Free memory was 106.2 MB in the beginning and 98.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:17,837 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 141.6 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 853.92 ms. Allocated memory was 141.6 MB in the beginning and 199.8 MB in the end (delta: 58.2 MB). Free memory was 98.8 MB in the beginning and 160.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.41 ms. Allocated memory is still 199.8 MB. Free memory was 160.5 MB in the beginning and 157.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 718.72 ms. Allocated memory is still 199.8 MB. Free memory was 157.7 MB in the beginning and 106.2 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 101.90 ms. Allocated memory is still 199.8 MB. Free memory was 106.2 MB in the beginning and 98.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:390) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...