/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/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:15:21,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:15:21,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:15:21,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:15:21,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:15:21,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:15:21,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:15:21,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:15:21,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:15:21,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:15:21,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:15:21,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:15:21,644 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:15:21,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:15:21,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:15:21,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:15:21,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:15:21,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:15:21,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:15:21,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:15:21,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:15:21,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-22 12:15:21,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:15:21,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:15:21,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:15:21,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:15:21,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:15:21,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:15:21,749 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:15:21,749 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:15:21,749 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:15:21,750 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:15:21,751 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:15:21,751 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:15:21,751 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:15:21,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:15:21,752 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:15:21,752 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:15:21,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:15:21,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:15:21,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:15:21,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:15:21,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:15:21,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:15:21,754 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:15:21,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:15:21,754 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:15:21,754 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:15:21,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:15:21,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:15:21,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:15:21,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:15:21,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:15:21,760 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:15:21,760 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:15:22,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:15:22,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:15:22,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:15:22,296 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:15:22,296 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:15:22,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2022-07-22 12:15:22,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b56fdeb59/7c984c5a24854eea864541ba0f5ce1df/FLAGa80aee0e9 [2022-07-22 12:15:23,084 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:15:23,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2022-07-22 12:15:23,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b56fdeb59/7c984c5a24854eea864541ba0f5ce1df/FLAGa80aee0e9 [2022-07-22 12:15:23,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b56fdeb59/7c984c5a24854eea864541ba0f5ce1df [2022-07-22 12:15:23,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:15:23,437 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:15:23,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:15:23,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:15:23,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:15:23,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb6de60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23, skipping insertion in model container [2022-07-22 12:15:23,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:15:23,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:15:23,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c[2826,2839] [2022-07-22 12:15:23,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:15:23,701 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:15:23,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c[2826,2839] [2022-07-22 12:15:23,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:15:23,763 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:15:23,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23 WrapperNode [2022-07-22 12:15:23,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:15:23,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:15:23,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:15:23,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:15:23,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,853 INFO L137 Inliner]: procedures = 25, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2022-07-22 12:15:23,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:15:23,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:15:23,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:15:23,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:15:23,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:15:23,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:15:23,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:15:23,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:15:23,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (1/1) ... [2022-07-22 12:15:23,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:15:23,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:15:24,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:15:24,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 12:15:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:15:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:15:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:15:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:15:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:15:24,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:15:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:15:24,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:15:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-22 12:15:24,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-22 12:15:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-22 12:15:24,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-22 12:15:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:15:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-07-22 12:15:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-07-22 12:15:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-07-22 12:15:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-07-22 12:15:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:15:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:15:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:15:24,099 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:15:24,209 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:15:24,211 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:15:24,587 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:15:24,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:15:24,611 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-22 12:15:24,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:15:24 BoogieIcfgContainer [2022-07-22 12:15:24,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:15:24,615 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:15:24,615 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:15:24,620 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:15:24,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:15:24,621 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:15:23" (1/3) ... [2022-07-22 12:15:24,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76f1db5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:15:24, skipping insertion in model container [2022-07-22 12:15:24,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:15:24,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:15:23" (2/3) ... [2022-07-22 12:15:24,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76f1db5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:15:24, skipping insertion in model container [2022-07-22 12:15:24,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:15:24,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:15:24" (3/3) ... [2022-07-22 12:15:24,626 INFO L322 chiAutomizerObserver]: Analyzing ICFG bench-exp3x3-opt.wvr.c [2022-07-22 12:15:24,799 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-07-22 12:15:24,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 174 transitions, 396 flow [2022-07-22 12:15:24,997 INFO L129 PetriNetUnfolder]: 14/162 cut-off events. [2022-07-22 12:15:24,998 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-22 12:15:25,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 162 events. 14/162 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 120. Up to 2 conditions per place. [2022-07-22 12:15:25,005 INFO L82 GeneralOperation]: Start removeDead. Operand has 173 places, 174 transitions, 396 flow [2022-07-22 12:15:25,017 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 167 places, 162 transitions, 360 flow [2022-07-22 12:15:25,022 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:15:25,040 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 162 transitions, 360 flow [2022-07-22 12:15:25,043 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 162 transitions, 360 flow [2022-07-22 12:15:25,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 162 transitions, 360 flow [2022-07-22 12:15:25,083 INFO L129 PetriNetUnfolder]: 14/162 cut-off events. [2022-07-22 12:15:25,083 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-07-22 12:15:25,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 162 events. 14/162 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 120. Up to 2 conditions per place. [2022-07-22 12:15:25,089 INFO L116 LiptonReduction]: Number of co-enabled transitions 2916 [2022-07-22 12:15:33,988 INFO L131 LiptonReduction]: Checked pairs total: 3458 [2022-07-22 12:15:33,989 INFO L133 LiptonReduction]: Total number of compositions: 136 [2022-07-22 12:15:34,016 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:15:34,016 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:15:34,016 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:15:34,016 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:15:34,017 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:15:34,017 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:15:34,017 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:15:34,017 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:15:34,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:15:34,209 INFO L131 ngComponentsAnalysis]: Automaton has 354 accepting balls. 354 [2022-07-22 12:15:34,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:15:34,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:15:34,219 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 12:15:34,219 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:15:34,219 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 12:15:34,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 379 states, but on-demand construction may add more states [2022-07-22 12:15:34,254 INFO L131 ngComponentsAnalysis]: Automaton has 354 accepting balls. 354 [2022-07-22 12:15:34,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:15:34,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:15:34,255 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 12:15:34,255 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:15:34,263 INFO L748 eck$LassoCheckResult]: Stem: 176#[ULTIMATE.startENTRY]don't care [576] ULTIMATE.startENTRY-->L103-3: Formula: (let ((.cse0 (store |v_#valid_193| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse3 (store .cse0 |v_ULTIMATE.start_main_~#t2~0#1.base_49| 1))) (let ((.cse2 (store .cse3 |v_ULTIMATE.start_main_~#t3~0#1.base_51| 1))) (let ((.cse5 (store .cse2 |v_ULTIMATE.start_main_~#t4~0#1.base_55| 1))) (let ((.cse1 (select |v_#memory_int_104| 1)) (.cse4 (store .cse5 |v_ULTIMATE.start_main_~#t5~0#1.base_59| 1))) (and (< |v_#StackHeapBarrier_34| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (< |v_#StackHeapBarrier_34| |v_ULTIMATE.start_main_~#t3~0#1.base_51|) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_57| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (= (select .cse0 |v_ULTIMATE.start_main_~#t2~0#1.base_49|) 0) (= |v_ULTIMATE.start_main_#t~pre8#1_29| |v_#pthreadsForks_96|) (= (select .cse1 1) 0) (= (ite (and (= (mod v_~x4~0_53 4294967296) (mod v_~x3~0_53 4294967296)) (= (mod v_~x2~0_49 4294967296) (mod v_~x1~0_51 4294967296)) (= (mod v_~x5~0_47 4294967296) (mod v_~x6~0_49 4294967296))) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|) (= (select |v_#valid_193| 2) 1) (= |v_#NULL.base_12| 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (= 48 (select .cse1 0)) (= (select .cse2 |v_ULTIMATE.start_main_~#t4~0#1.base_55|) 0) (< |v_#StackHeapBarrier_34| |v_ULTIMATE.start_main_~#t6~0#1.base_41|) (= (select .cse3 |v_ULTIMATE.start_main_~#t3~0#1.base_51|) 0) (= (select .cse4 |v_ULTIMATE.start_main_~#t6~0#1.base_41|) 0) (< |v_#StackHeapBarrier_34| |v_ULTIMATE.start_main_~#t4~0#1.base_55|) (< 0 |v_#StackHeapBarrier_34|) (= (select .cse5 |v_ULTIMATE.start_main_~#t5~0#1.base_59|) 0) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_57| 0)) (= |v_ULTIMATE.start_main_~#t5~0#1.offset_47| 0) (< |v_#StackHeapBarrier_34| |v_ULTIMATE.start_main_~#t5~0#1.base_59|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_41| 0) (= |v_#valid_192| (store .cse4 |v_ULTIMATE.start_main_~#t6~0#1.base_41| 1)) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_41| 0) (= (select |v_#length_122| 1) 2) (= (store |v_#memory_int_104| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_104| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_41| |v_ULTIMATE.start_main_#t~pre8#1_29|)) |v_#memory_int_103|) (= |v_#pthreadsForks_95| (+ |v_#pthreadsForks_96| 1)) (= |v_ULTIMATE.start_main_~#t6~0#1.offset_29| 0) (= (select |v_#valid_193| 1) 1) (= |v_#NULL.offset_12| 0) (< |v_#StackHeapBarrier_34| |v_ULTIMATE.start_main_~#t2~0#1.base_49|) (= (select |v_#valid_193| 0) 0) (= (store (store (store (store (store (store |v_#length_122| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_51| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_55| 4) |v_ULTIMATE.start_main_~#t5~0#1.base_59| 4) |v_ULTIMATE.start_main_~#t6~0#1.base_41| 4) |v_#length_121|) (= (select |v_#valid_193| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_45|) (= 23 (select |v_#length_122| 2)))))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_34|, #pthreadsForks=|v_#pthreadsForks_96|, #valid=|v_#valid_193|, #memory_int=|v_#memory_int_104|, #length=|v_#length_122|} OutVars{~x3~0=v_~x3~0_53, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_17|, #NULL.offset=|v_#NULL.offset_12|, ULTIMATE.start_main_#t~mem25#1=|v_ULTIMATE.start_main_#t~mem25#1_24|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_95|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_121|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_32|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_55|, ~x4~0=v_~x4~0_53, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_36|, ULTIMATE.start_main_#t~mem23#1=|v_ULTIMATE.start_main_#t~mem23#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_34|, ULTIMATE.start_main_~#t5~0#1.base=|v_ULTIMATE.start_main_~#t5~0#1.base_59|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_34|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|, ULTIMATE.start_main_#t~mem24#1=|v_ULTIMATE.start_main_#t~mem24#1_18|, ULTIMATE.start_main_#t~pre18#1=|v_ULTIMATE.start_main_#t~pre18#1_23|, ULTIMATE.start_main_#t~nondet4#1=|v_ULTIMATE.start_main_#t~nondet4#1_32|, ~x5~0=v_~x5~0_47, ULTIMATE.start_main_~#t6~0#1.base=|v_ULTIMATE.start_main_~#t6~0#1.base_41|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_41|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_29|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_51|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_41|, ~x1~0=v_~x1~0_51, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_57|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_28|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_27|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_17|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_18|, ~x2~0=v_~x2~0_49, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~x6~0=v_~x6~0_49, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_28|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_12|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_17|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_32|, #valid=|v_#valid_192|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #memory_int=|v_#memory_int_103|, ULTIMATE.start_main_~#t5~0#1.offset=|v_ULTIMATE.start_main_~#t5~0#1.offset_47|, ULTIMATE.start_main_~#t6~0#1.offset=|v_ULTIMATE.start_main_~#t6~0#1.offset_29|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_45|, ULTIMATE.start_main_#t~nondet19#1=|v_ULTIMATE.start_main_#t~nondet19#1_15|, ~n~0=v_~n~0_74, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_49|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_43|} AuxVars[] AssignedVars[~x3~0, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, #NULL.offset, ULTIMATE.start_main_#t~mem25#1, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_~#t4~0#1.base, ~x4~0, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~mem23#1, ULTIMATE.start_main_~#t5~0#1.base, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_#t~mem24#1, ULTIMATE.start_main_#t~pre18#1, ULTIMATE.start_main_#t~nondet4#1, ~x5~0, ULTIMATE.start_main_~#t6~0#1.base, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_~#t3~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ~x1~0, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~mem22#1, ~x2~0, ULTIMATE.start_main_#res#1, ~x6~0, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~nondet3#1, #valid, ULTIMATE.start_main_#t~pre10#1, #memory_int, ULTIMATE.start_main_~#t5~0#1.offset, ULTIMATE.start_main_~#t6~0#1.offset, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_#t~nondet19#1, ~n~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 179#[L103-3]don't care [432] L103-3-->L41-1: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread1Thread1of1ForFork4_thidvar0_2) (= v_thread1Thread1of1ForFork4_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread1Thread1of1ForFork4_#res.base=|v_thread1Thread1of1ForFork4_#res.base_4|, thread1Thread1of1ForFork4_#res.offset=|v_thread1Thread1of1ForFork4_#res.offset_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread1Thread1of1ForFork4_thidvar0=v_thread1Thread1of1ForFork4_thidvar0_2, thread1Thread1of1ForFork4_thidvar1=v_thread1Thread1of1ForFork4_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork4_#res.base, thread1Thread1of1ForFork4_#res.offset, thread1Thread1of1ForFork4_thidvar0, thread1Thread1of1ForFork4_thidvar1] 181#[L103-4, L41-1]don't care [2022-07-22 12:15:34,267 INFO L750 eck$LassoCheckResult]: Loop: 181#[L103-4, L41-1]don't care [457] L41-1-->L41-1: Formula: (and (< (mod v_~x1~0_14 4294967296) (mod v_~n~0_22 4294967296)) (= v_~x1~0_13 (* v_~x1~0_14 2))) InVars {~n~0=v_~n~0_22, ~x1~0=v_~x1~0_14} OutVars{~n~0=v_~n~0_22, ~x1~0=v_~x1~0_13} AuxVars[] AssignedVars[~x1~0] 181#[L103-4, L41-1]don't care [2022-07-22 12:15:34,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:15:34,278 INFO L85 PathProgramCache]: Analyzing trace with hash 19249, now seen corresponding path program 1 times [2022-07-22 12:15:34,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:15:34,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418820233] [2022-07-22 12:15:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:15:34,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:15:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:15:34,534 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:15:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:15:34,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:15:34,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:15:34,660 INFO L85 PathProgramCache]: Analyzing trace with hash 488, now seen corresponding path program 1 times [2022-07-22 12:15:34,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:15:34,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310015669] [2022-07-22 12:15:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:15:34,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:15:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:15:34,692 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:15:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:15:34,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:15:34,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:15:34,702 INFO L85 PathProgramCache]: Analyzing trace with hash 597176, now seen corresponding path program 1 times [2022-07-22 12:15:34,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:15:34,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876500531] [2022-07-22 12:15:34,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:15:34,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:15:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:15:34,742 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:15:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:15:34,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:15:37,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:15:37 BoogieIcfgContainer [2022-07-22 12:15:37,483 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:15:37,485 INFO L158 Benchmark]: Toolchain (without parser) took 14049.98ms. Allocated memory was 164.6MB in the beginning and 218.1MB in the end (delta: 53.5MB). Free memory was 138.3MB in the beginning and 190.3MB in the end (delta: -52.0MB). Peak memory consumption was 120.8MB. Max. memory is 8.0GB. [2022-07-22 12:15:37,486 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 164.6MB. Free memory was 133.6MB in the beginning and 133.1MB in the end (delta: 440.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:15:37,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.99ms. Allocated memory is still 164.6MB. Free memory was 138.1MB in the beginning and 126.9MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-07-22 12:15:37,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.27ms. Allocated memory is still 164.6MB. Free memory was 126.7MB in the beginning and 124.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:15:37,488 INFO L158 Benchmark]: Boogie Preprocessor took 82.58ms. Allocated memory is still 164.6MB. Free memory was 124.7MB in the beginning and 123.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:15:37,489 INFO L158 Benchmark]: RCFGBuilder took 673.40ms. Allocated memory is still 164.6MB. Free memory was 123.2MB in the beginning and 144.0MB in the end (delta: -20.8MB). Peak memory consumption was 18.7MB. Max. memory is 8.0GB. [2022-07-22 12:15:37,490 INFO L158 Benchmark]: BuchiAutomizer took 12868.36ms. Allocated memory was 164.6MB in the beginning and 218.1MB in the end (delta: 53.5MB). Free memory was 144.0MB in the beginning and 190.3MB in the end (delta: -46.3MB). Peak memory consumption was 125.1MB. Max. memory is 8.0GB. [2022-07-22 12:15:37,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 164.6MB. Free memory was 133.6MB in the beginning and 133.1MB in the end (delta: 440.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 322.99ms. Allocated memory is still 164.6MB. Free memory was 138.1MB in the beginning and 126.9MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 87.27ms. Allocated memory is still 164.6MB. Free memory was 126.7MB in the beginning and 124.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.58ms. Allocated memory is still 164.6MB. Free memory was 124.7MB in the beginning and 123.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 673.40ms. Allocated memory is still 164.6MB. Free memory was 123.2MB in the beginning and 144.0MB in the end (delta: -20.8MB). Peak memory consumption was 18.7MB. Max. memory is 8.0GB. * BuchiAutomizer took 12868.36ms. Allocated memory was 164.6MB in the beginning and 218.1MB in the end (delta: 53.5MB). Free memory was 144.0MB in the beginning and 190.3MB in the end (delta: -46.3MB). Peak memory consumption was 125.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 9.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 41]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\old(cond)=1, \result={0:0}, \result=0, cond=1, n=4294967297, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a8d798=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@205d4d57=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28d01e69 in11922,0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41e84155=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@439bf805 in0,0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dc247c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57ffdf7a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63ac2108 in0,0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64ef5508=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@678e4229=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79f6ad30 in0,0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fe28088 in0,0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b915877 in0,0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@37361964=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@37abfa45=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@3d01c94f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@4f22abe3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@5cfa265b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@63d2c528=0, t1={31554:0}, t2={31553:0}, t3={31552:0}, t4={13898:0}, t5={31551:0}, t6={13899:0}, x1=0, x2=0, x3=4294967295, x4=4294967295, x5=4294967295, x6=4294967295} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 41]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L38] 0 unsigned int x1, x2, x3, x4, x5, x6, n; [L89] 0 pthread_t t1, t2, t3, t4, t5, t6; [L92] 0 x1 = __VERIFIER_nondet_uint() [L93] 0 x2 = __VERIFIER_nondet_uint() [L94] 0 x3 = __VERIFIER_nondet_uint() [L95] 0 x4 = __VERIFIER_nondet_uint() [L96] 0 x5 = __VERIFIER_nondet_uint() [L97] 0 x6 = __VERIFIER_nondet_uint() [L98] 0 n = __VERIFIER_nondet_uint() [L101] CALL 0 assume_abort_if_not( x1 == x2 && x3 == x4 && x5 == x6 ) [L35] COND TRUE 0 !cond [L101] RET 0 assume_abort_if_not( x1 == x2 && x3 == x4 && x5 == x6 ) [L103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) Loop: [L41] COND TRUE x1 < n [L42] x1 = x1 + x1 End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.9s, 167 PlacesBefore, 50 PlacesAfterwards, 162 TransitionsBefore, 37 TransitionsAfterwards, 2916 CoEnabledTransitionPairs, 7 FixpointIterations, 73 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 12 ConcurrentYvCompositions, 8 ChoiceCompositions, 136 TotalNumberOfCompositions, 3458 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3458, positive: 3458, positive conditional: 0, positive unconditional: 3458, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2088, positive: 2088, positive conditional: 0, positive unconditional: 2088, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2088, positive: 2088, positive conditional: 0, positive unconditional: 2088, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3458, positive: 1370, positive conditional: 0, positive unconditional: 1370, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2088, unknown conditional: 0, unknown unconditional: 2088] , Statistics on independence cache: Total cache size (in pairs): 198, Positive cache size: 198, Positive conditional cache size: 0, Positive unconditional cache size: 198, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be incorrect! [2022-07-22 12:15:37,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...