/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 23:58:46,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 23:58:46,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 23:58:46,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 23:58:46,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 23:58:46,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 23:58:46,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 23:58:46,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 23:58:46,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 23:58:46,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 23:58:46,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 23:58:46,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 23:58:46,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 23:58:46,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 23:58:46,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 23:58:46,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 23:58:46,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 23:58:46,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 23:58:46,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 23:58:46,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 23:58:46,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 23:58:46,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 23:58:46,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 23:58:46,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 23:58:46,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 23:58:46,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 23:58:46,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 23:58:46,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 23:58:46,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 23:58:46,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 23:58:46,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 23:58:46,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 23:58:46,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 23:58:46,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 23:58:46,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 23:58:46,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 23:58:46,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 23:58:46,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 23:58:46,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 23:58:46,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 23:58:46,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 23:58:46,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-11 23:58:46,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 23:58:46,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 23:58:46,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 23:58:46,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 23:58:46,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 23:58:46,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 23:58:46,600 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 23:58:46,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 23:58:46,600 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 23:58:46,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 23:58:46,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 23:58:46,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 23:58:46,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 23:58:46,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 23:58:46,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 23:58:46,601 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 23:58:46,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 23:58:46,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 23:58:46,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 23:58:46,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 23:58:46,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 23:58:46,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 23:58:46,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 23:58:46,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:58:46,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 23:58:46,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 23:58:46,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 23:58:46,602 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 23:58:46,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 23:58:46,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 23:58:46,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 23:58:46,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-11 23:58:46,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 23:58:46,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 23:58:46,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 23:58:46,840 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 23:58:46,840 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 23:58:46,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-12-11 23:58:47,789 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 23:58:47,933 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 23:58:47,934 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-12-11 23:58:47,938 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b51aee1f/f0194e39c6cc424683d4b33c118293ca/FLAG1cc76744d [2022-12-11 23:58:47,948 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b51aee1f/f0194e39c6cc424683d4b33c118293ca [2022-12-11 23:58:47,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 23:58:47,950 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 23:58:47,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 23:58:47,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 23:58:47,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 23:58:47,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:58:47" (1/1) ... [2022-12-11 23:58:47,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e55c77b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:47, skipping insertion in model container [2022-12-11 23:58:47,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:58:47" (1/1) ... [2022-12-11 23:58:47,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 23:58:47,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 23:58:48,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-12-11 23:58:48,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:58:48,073 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 23:58:48,087 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-12-11 23:58:48,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:58:48,095 INFO L208 MainTranslator]: Completed translation [2022-12-11 23:58:48,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48 WrapperNode [2022-12-11 23:58:48,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 23:58:48,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 23:58:48,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 23:58:48,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 23:58:48,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,116 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-12-11 23:58:48,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 23:58:48,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 23:58:48,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 23:58:48,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 23:58:48,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,136 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 23:58:48,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 23:58:48,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 23:58:48,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 23:58:48,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (1/1) ... [2022-12-11 23:58:48,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:58:48,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:58:48,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-11 23:58:48,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-11 23:58:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 23:58:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-11 23:58:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-11 23:58:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-11 23:58:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-11 23:58:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-11 23:58:48,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-11 23:58:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-11 23:58:48,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-11 23:58:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 23:58:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 23:58:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 23:58:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 23:58:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 23:58:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 23:58:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 23:58:48,204 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 23:58:48,263 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 23:58:48,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 23:58:48,411 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 23:58:48,416 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 23:58:48,416 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-11 23:58:48,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:58:48 BoogieIcfgContainer [2022-12-11 23:58:48,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 23:58:48,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 23:58:48,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 23:58:48,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 23:58:48,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 11:58:47" (1/3) ... [2022-12-11 23:58:48,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccaebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:58:48, skipping insertion in model container [2022-12-11 23:58:48,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:58:48" (2/3) ... [2022-12-11 23:58:48,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccaebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:58:48, skipping insertion in model container [2022-12-11 23:58:48,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:58:48" (3/3) ... [2022-12-11 23:58:48,423 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2022-12-11 23:58:48,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 23:58:48,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 23:58:48,434 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 23:58:48,496 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-11 23:58:48,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 142 transitions, 316 flow [2022-12-11 23:58:48,562 INFO L130 PetriNetUnfolder]: 10/138 cut-off events. [2022-12-11 23:58:48,562 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-11 23:58:48,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 138 events. 10/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 134 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2022-12-11 23:58:48,567 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 142 transitions, 316 flow [2022-12-11 23:58:48,572 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 126 transitions, 276 flow [2022-12-11 23:58:48,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 23:58:48,583 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2277f172, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 23:58:48,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-11 23:58:48,634 INFO L130 PetriNetUnfolder]: 10/125 cut-off events. [2022-12-11 23:58:48,634 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-11 23:58:48,634 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:58:48,635 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:58:48,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:58:48,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:58:48,639 INFO L85 PathProgramCache]: Analyzing trace with hash 555192537, now seen corresponding path program 1 times [2022-12-11 23:58:48,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:58:48,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467595848] [2022-12-11 23:58:48,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:58:48,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:58:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:58:49,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:58:49,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:58:49,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467595848] [2022-12-11 23:58:49,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467595848] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:58:49,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:58:49,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 23:58:49,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693400525] [2022-12-11 23:58:49,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:58:49,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 23:58:49,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:58:49,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 23:58:49,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-11 23:58:49,325 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 142 [2022-12-11 23:58:49,329 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 126 transitions, 276 flow. Second operand has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:58:49,330 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:58:49,330 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 142 [2022-12-11 23:58:49,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:58:52,040 INFO L130 PetriNetUnfolder]: 24847/35640 cut-off events. [2022-12-11 23:58:52,040 INFO L131 PetriNetUnfolder]: For 3439/3492 co-relation queries the response was YES. [2022-12-11 23:58:52,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71453 conditions, 35640 events. 24847/35640 cut-off events. For 3439/3492 co-relation queries the response was YES. Maximal size of possible extension queue 1314. Compared 226853 event pairs, 17643 based on Foata normal form. 3/31645 useless extension candidates. Maximal degree in co-relation 63530. Up to 32788 conditions per place. [2022-12-11 23:58:52,294 INFO L137 encePairwiseOnDemand]: 124/142 looper letters, 71 selfloop transitions, 7 changer transitions 7/143 dead transitions. [2022-12-11 23:58:52,294 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 143 transitions, 501 flow [2022-12-11 23:58:52,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 23:58:52,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 23:58:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 754 transitions. [2022-12-11 23:58:52,305 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5899843505477308 [2022-12-11 23:58:52,307 INFO L295 CegarLoopForPetriNet]: 129 programPoint places, 8 predicate places. [2022-12-11 23:58:52,308 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 143 transitions, 501 flow [2022-12-11 23:58:52,417 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 136 transitions, 470 flow [2022-12-11 23:58:52,418 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 136 transitions, 470 flow [2022-12-11 23:58:52,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:58:52,418 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:58:52,419 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:58:52,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 23:58:52,419 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:58:52,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:58:52,420 INFO L85 PathProgramCache]: Analyzing trace with hash -815821588, now seen corresponding path program 1 times [2022-12-11 23:58:52,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:58:52,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241015893] [2022-12-11 23:58:52,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:58:52,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:58:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:58:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:58:52,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:58:52,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241015893] [2022-12-11 23:58:52,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241015893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:58:52,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:58:52,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 23:58:52,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978255332] [2022-12-11 23:58:52,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:58:52,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 23:58:52,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:58:52,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 23:58:52,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 23:58:52,663 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 142 [2022-12-11 23:58:52,664 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 136 transitions, 470 flow. Second operand has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:58:52,664 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:58:52,664 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 142 [2022-12-11 23:58:52,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:58:55,726 INFO L130 PetriNetUnfolder]: 32728/46747 cut-off events. [2022-12-11 23:58:55,726 INFO L131 PetriNetUnfolder]: For 25186/34440 co-relation queries the response was YES. [2022-12-11 23:58:55,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122119 conditions, 46747 events. 32728/46747 cut-off events. For 25186/34440 co-relation queries the response was YES. Maximal size of possible extension queue 1571. Compared 308928 event pairs, 16168 based on Foata normal form. 10/41326 useless extension candidates. Maximal degree in co-relation 105851. Up to 43726 conditions per place. [2022-12-11 23:58:55,938 INFO L137 encePairwiseOnDemand]: 131/142 looper letters, 109 selfloop transitions, 16 changer transitions 0/201 dead transitions. [2022-12-11 23:58:55,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 201 transitions, 1037 flow [2022-12-11 23:58:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 23:58:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 23:58:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 725 transitions. [2022-12-11 23:58:55,941 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7293762575452716 [2022-12-11 23:58:55,942 INFO L295 CegarLoopForPetriNet]: 129 programPoint places, 8 predicate places. [2022-12-11 23:58:55,946 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 201 transitions, 1037 flow [2022-12-11 23:58:56,083 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 201 transitions, 1037 flow [2022-12-11 23:58:56,083 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 201 transitions, 1037 flow [2022-12-11 23:58:56,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:58:56,084 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:58:56,084 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:58:56,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 23:58:56,084 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:58:56,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:58:56,085 INFO L85 PathProgramCache]: Analyzing trace with hash -809662048, now seen corresponding path program 2 times [2022-12-11 23:58:56,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:58:56,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545355480] [2022-12-11 23:58:56,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:58:56,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:58:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:58:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:58:56,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:58:56,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545355480] [2022-12-11 23:58:56,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545355480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:58:56,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:58:56,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 23:58:56,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696303061] [2022-12-11 23:58:56,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:58:56,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 23:58:56,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:58:56,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 23:58:56,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-11 23:58:56,354 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 142 [2022-12-11 23:58:56,355 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 201 transitions, 1037 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:58:56,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:58:56,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 142 [2022-12-11 23:58:56,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:58:59,588 INFO L130 PetriNetUnfolder]: 32659/47370 cut-off events. [2022-12-11 23:58:59,588 INFO L131 PetriNetUnfolder]: For 28546/52169 co-relation queries the response was YES. [2022-12-11 23:58:59,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166600 conditions, 47370 events. 32659/47370 cut-off events. For 28546/52169 co-relation queries the response was YES. Maximal size of possible extension queue 1643. Compared 319563 event pairs, 17169 based on Foata normal form. 71/41903 useless extension candidates. Maximal degree in co-relation 145172. Up to 43690 conditions per place. [2022-12-11 23:58:59,831 INFO L137 encePairwiseOnDemand]: 131/142 looper letters, 150 selfloop transitions, 13 changer transitions 0/219 dead transitions. [2022-12-11 23:58:59,831 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 219 transitions, 1482 flow [2022-12-11 23:58:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-11 23:58:59,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-11 23:58:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 520 transitions. [2022-12-11 23:58:59,833 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6103286384976526 [2022-12-11 23:58:59,833 INFO L295 CegarLoopForPetriNet]: 129 programPoint places, 13 predicate places. [2022-12-11 23:58:59,834 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 219 transitions, 1482 flow [2022-12-11 23:58:59,997 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 219 transitions, 1482 flow [2022-12-11 23:58:59,998 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 219 transitions, 1482 flow [2022-12-11 23:58:59,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:58:59,998 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:58:59,998 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:58:59,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 23:58:59,999 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:58:59,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:58:59,999 INFO L85 PathProgramCache]: Analyzing trace with hash -425915034, now seen corresponding path program 1 times [2022-12-11 23:58:59,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:58:59,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805425921] [2022-12-11 23:58:59,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:58:59,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:59:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:59:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:59:00,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:59:00,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805425921] [2022-12-11 23:59:00,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805425921] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:59:00,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:59:00,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 23:59:00,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025184302] [2022-12-11 23:59:00,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:59:00,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 23:59:00,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:59:00,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 23:59:00,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-11 23:59:00,232 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 142 [2022-12-11 23:59:00,232 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 219 transitions, 1482 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:00,233 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:59:00,233 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 142 [2022-12-11 23:59:00,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:59:03,712 INFO L130 PetriNetUnfolder]: 32635/46031 cut-off events. [2022-12-11 23:59:03,713 INFO L131 PetriNetUnfolder]: For 28892/67923 co-relation queries the response was YES. [2022-12-11 23:59:03,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209224 conditions, 46031 events. 32635/46031 cut-off events. For 28892/67923 co-relation queries the response was YES. Maximal size of possible extension queue 1568. Compared 297357 event pairs, 14404 based on Foata normal form. 69/40930 useless extension candidates. Maximal degree in co-relation 182439. Up to 43690 conditions per place. [2022-12-11 23:59:04,034 INFO L137 encePairwiseOnDemand]: 131/142 looper letters, 170 selfloop transitions, 21 changer transitions 0/247 dead transitions. [2022-12-11 23:59:04,034 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 247 transitions, 2112 flow [2022-12-11 23:59:04,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-11 23:59:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-11 23:59:04,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 520 transitions. [2022-12-11 23:59:04,036 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6103286384976526 [2022-12-11 23:59:04,036 INFO L295 CegarLoopForPetriNet]: 129 programPoint places, 18 predicate places. [2022-12-11 23:59:04,037 INFO L82 GeneralOperation]: Start removeDead. Operand has 147 places, 247 transitions, 2112 flow [2022-12-11 23:59:04,242 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 247 transitions, 2112 flow [2022-12-11 23:59:04,242 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 247 transitions, 2112 flow [2022-12-11 23:59:04,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:04,243 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:59:04,243 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:59:04,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-11 23:59:04,243 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:59:04,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:59:04,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1029305446, now seen corresponding path program 2 times [2022-12-11 23:59:04,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:59:04,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661285181] [2022-12-11 23:59:04,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:59:04,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:59:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:59:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:59:04,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:59:04,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661285181] [2022-12-11 23:59:04,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661285181] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:59:04,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:59:04,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 23:59:04,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62739112] [2022-12-11 23:59:04,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:59:04,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 23:59:04,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:59:04,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 23:59:04,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 23:59:04,371 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 142 [2022-12-11 23:59:04,372 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 247 transitions, 2112 flow. Second operand has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:04,372 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:59:04,372 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 142 [2022-12-11 23:59:04,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:59:09,006 INFO L130 PetriNetUnfolder]: 41524/61768 cut-off events. [2022-12-11 23:59:09,006 INFO L131 PetriNetUnfolder]: For 44722/87140 co-relation queries the response was YES. [2022-12-11 23:59:09,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310980 conditions, 61768 events. 41524/61768 cut-off events. For 44722/87140 co-relation queries the response was YES. Maximal size of possible extension queue 2089. Compared 446432 event pairs, 11543 based on Foata normal form. 82/54943 useless extension candidates. Maximal degree in co-relation 270341. Up to 56082 conditions per place. [2022-12-11 23:59:09,437 INFO L137 encePairwiseOnDemand]: 131/142 looper letters, 255 selfloop transitions, 34 changer transitions 0/378 dead transitions. [2022-12-11 23:59:09,437 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 378 transitions, 4090 flow [2022-12-11 23:59:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 23:59:09,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 23:59:09,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 721 transitions. [2022-12-11 23:59:09,439 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7253521126760564 [2022-12-11 23:59:09,440 INFO L295 CegarLoopForPetriNet]: 129 programPoint places, 24 predicate places. [2022-12-11 23:59:09,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 378 transitions, 4090 flow [2022-12-11 23:59:09,804 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 153 places, 378 transitions, 4090 flow [2022-12-11 23:59:09,804 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 378 transitions, 4090 flow [2022-12-11 23:59:09,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:09,805 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:59:09,805 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:59:09,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-11 23:59:09,805 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:59:09,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:59:09,805 INFO L85 PathProgramCache]: Analyzing trace with hash -2039280366, now seen corresponding path program 3 times [2022-12-11 23:59:09,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:59:09,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300668967] [2022-12-11 23:59:09,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:59:09,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:59:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:59:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:59:10,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:59:10,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300668967] [2022-12-11 23:59:10,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300668967] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:59:10,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:59:10,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 23:59:10,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336916195] [2022-12-11 23:59:10,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:59:10,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 23:59:10,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:59:10,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 23:59:10,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-11 23:59:10,047 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 142 [2022-12-11 23:59:10,047 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 378 transitions, 4090 flow. Second operand has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:10,047 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:59:10,047 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 142 [2022-12-11 23:59:10,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:59:15,037 INFO L130 PetriNetUnfolder]: 41170/60292 cut-off events. [2022-12-11 23:59:15,038 INFO L131 PetriNetUnfolder]: For 49987/132316 co-relation queries the response was YES. [2022-12-11 23:59:15,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362638 conditions, 60292 events. 41170/60292 cut-off events. For 49987/132316 co-relation queries the response was YES. Maximal size of possible extension queue 1958. Compared 427020 event pairs, 10519 based on Foata normal form. 148/53767 useless extension candidates. Maximal degree in co-relation 315722. Up to 55547 conditions per place. [2022-12-11 23:59:15,512 INFO L137 encePairwiseOnDemand]: 131/142 looper letters, 304 selfloop transitions, 22 changer transitions 12/394 dead transitions. [2022-12-11 23:59:15,512 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 394 transitions, 4964 flow [2022-12-11 23:59:15,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-11 23:59:15,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-11 23:59:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 519 transitions. [2022-12-11 23:59:15,514 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6091549295774648 [2022-12-11 23:59:15,517 INFO L295 CegarLoopForPetriNet]: 129 programPoint places, 29 predicate places. [2022-12-11 23:59:15,517 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 394 transitions, 4964 flow [2022-12-11 23:59:15,977 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 382 transitions, 4784 flow [2022-12-11 23:59:15,977 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 382 transitions, 4784 flow [2022-12-11 23:59:15,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:15,977 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:59:15,977 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:59:15,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-11 23:59:15,978 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:59:15,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:59:15,978 INFO L85 PathProgramCache]: Analyzing trace with hash 604725130, now seen corresponding path program 1 times [2022-12-11 23:59:15,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:59:15,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116182749] [2022-12-11 23:59:15,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:59:15,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:59:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:59:16,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:59:16,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:59:16,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116182749] [2022-12-11 23:59:16,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116182749] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:59:16,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:59:16,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 23:59:16,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566774291] [2022-12-11 23:59:16,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:59:16,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 23:59:16,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:59:16,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 23:59:16,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 23:59:16,113 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 142 [2022-12-11 23:59:16,114 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 382 transitions, 4784 flow. Second operand has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:16,114 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:59:16,114 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 142 [2022-12-11 23:59:16,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:59:22,373 INFO L130 PetriNetUnfolder]: 46564/67283 cut-off events. [2022-12-11 23:59:22,373 INFO L131 PetriNetUnfolder]: For 67322/178129 co-relation queries the response was YES. [2022-12-11 23:59:22,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453309 conditions, 67283 events. 46564/67283 cut-off events. For 67322/178129 co-relation queries the response was YES. Maximal size of possible extension queue 2067. Compared 471214 event pairs, 10773 based on Foata normal form. 218/60381 useless extension candidates. Maximal degree in co-relation 393756. Up to 63274 conditions per place. [2022-12-11 23:59:23,104 INFO L137 encePairwiseOnDemand]: 131/142 looper letters, 374 selfloop transitions, 40 changer transitions 0/506 dead transitions. [2022-12-11 23:59:23,105 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 506 transitions, 7441 flow [2022-12-11 23:59:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 23:59:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 23:59:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 721 transitions. [2022-12-11 23:59:23,106 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7253521126760564 [2022-12-11 23:59:23,107 INFO L295 CegarLoopForPetriNet]: 129 programPoint places, 35 predicate places. [2022-12-11 23:59:23,107 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 506 transitions, 7441 flow [2022-12-11 23:59:23,537 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 506 transitions, 7441 flow [2022-12-11 23:59:23,538 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 506 transitions, 7441 flow [2022-12-11 23:59:23,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:23,538 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:59:23,539 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:59:23,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-11 23:59:23,539 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:59:23,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:59:23,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1947691686, now seen corresponding path program 1 times [2022-12-11 23:59:23,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:59:23,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546860638] [2022-12-11 23:59:23,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:59:23,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:59:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:59:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:59:23,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:59:23,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546860638] [2022-12-11 23:59:23,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546860638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:59:23,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:59:23,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 23:59:23,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84132744] [2022-12-11 23:59:23,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:59:23,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 23:59:23,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:59:23,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 23:59:23,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 23:59:23,681 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 142 [2022-12-11 23:59:23,682 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 506 transitions, 7441 flow. Second operand has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:23,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:59:23,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 142 [2022-12-11 23:59:23,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:59:31,696 INFO L130 PetriNetUnfolder]: 55665/82262 cut-off events. [2022-12-11 23:59:31,696 INFO L131 PetriNetUnfolder]: For 149518/247992 co-relation queries the response was YES. [2022-12-11 23:59:31,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599253 conditions, 82262 events. 55665/82262 cut-off events. For 149518/247992 co-relation queries the response was YES. Maximal size of possible extension queue 2416. Compared 612013 event pairs, 13943 based on Foata normal form. 220/74353 useless extension candidates. Maximal degree in co-relation 498403. Up to 76034 conditions per place. [2022-12-11 23:59:32,618 INFO L137 encePairwiseOnDemand]: 131/142 looper letters, 522 selfloop transitions, 58 changer transitions 0/676 dead transitions. [2022-12-11 23:59:32,618 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 676 transitions, 11444 flow [2022-12-11 23:59:32,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 23:59:32,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 23:59:32,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 725 transitions. [2022-12-11 23:59:32,621 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7293762575452716 [2022-12-11 23:59:32,621 INFO L295 CegarLoopForPetriNet]: 129 programPoint places, 41 predicate places. [2022-12-11 23:59:32,621 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 676 transitions, 11444 flow [2022-12-11 23:59:33,140 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 170 places, 676 transitions, 11444 flow [2022-12-11 23:59:33,140 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 676 transitions, 11444 flow [2022-12-11 23:59:33,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 23:59:33,142 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:59:33,142 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:59:33,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-11 23:59:33,142 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 23:59:33,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:59:33,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1443272935, now seen corresponding path program 1 times [2022-12-11 23:59:33,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:59:33,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116492753] [2022-12-11 23:59:33,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:59:33,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:59:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:59:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:59:39,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:59:39,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116492753] [2022-12-11 23:59:39,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116492753] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 23:59:39,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701081784] [2022-12-11 23:59:39,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:59:39,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 23:59:39,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:59:39,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-11 23:59:39,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-11 23:59:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:59:40,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-11 23:59:40,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 00:08:17,805 WARN L233 SmtUtils]: Spent 25.79s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-12-12 00:13:21,368 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-12 00:13:21,368 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-12 00:13:21,887 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-12-12 00:13:21,889 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-12 00:13:21,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-12 00:13:22,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 00:13:22,090 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 3ms.. [2022-12-12 00:13:22,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-12-12 00:13:22,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-12 00:13:22,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-12 00:13:22,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-12 00:13:22,092 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-12-12 00:13:22,095 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 00:13:22,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 00:13:22,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 12:13:22 BasicIcfg [2022-12-12 00:13:22,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 00:13:22,098 INFO L158 Benchmark]: Toolchain (without parser) took 874148.05ms. Allocated memory was 190.8MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 160.5MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-12-12 00:13:22,098 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 190.8MB. Free memory is still 169.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 00:13:22,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.86ms. Allocated memory is still 190.8MB. Free memory was 160.5MB in the beginning and 148.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-12 00:13:22,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.72ms. Allocated memory is still 190.8MB. Free memory was 148.5MB in the beginning and 146.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-12 00:13:22,110 INFO L158 Benchmark]: Boogie Preprocessor took 28.28ms. Allocated memory is still 190.8MB. Free memory was 146.9MB in the beginning and 145.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-12 00:13:22,110 INFO L158 Benchmark]: RCFGBuilder took 272.89ms. Allocated memory is still 190.8MB. Free memory was 145.3MB in the beginning and 129.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-12-12 00:13:22,111 INFO L158 Benchmark]: TraceAbstraction took 873678.28ms. Allocated memory was 190.8MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 128.6MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-12-12 00:13:22,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 190.8MB. Free memory is still 169.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 144.86ms. Allocated memory is still 190.8MB. Free memory was 160.5MB in the beginning and 148.5MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.72ms. Allocated memory is still 190.8MB. Free memory was 148.5MB in the beginning and 146.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.28ms. Allocated memory is still 190.8MB. Free memory was 146.9MB in the beginning and 145.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 272.89ms. Allocated memory is still 190.8MB. Free memory was 145.3MB in the beginning and 129.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 873678.28ms. Allocated memory was 190.8MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 128.6MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 3ms.. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 3ms.. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 3ms.. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 3ms.. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 103 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 14 for 3ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 181 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 2.4s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 873.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 40.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 455 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 455 mSDsluCounter, 484 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1377 IncrementalHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 274 mSDtfsCounter, 1377 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11444occurred in iteration=8, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 211 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 736 ConstructedInterpolants, 0 QuantifiedInterpolants, 8158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 7/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown