/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 01:15:00,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 01:15:00,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 01:15:00,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-12-13 01:15:00,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 01:15:00,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 01:15:00,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 01:15:00,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 01:15:00,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 01:15:00,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 01:15:00,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 01:15:00,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 01:15:00,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 01:15:00,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 01:15:00,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 01:15:00,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 01:15:00,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-13 01:15:00,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 01:15:00,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 01:15:00,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 01:15:00,485 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-RepeatedSemanticLbe.epf [2022-12-13 01:15:00,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 01:15:00,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 01:15:00,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 01:15:00,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 01:15:00,521 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 01:15:00,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 01:15:00,522 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 01:15:00,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 01:15:00,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 01:15:00,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 01:15:00,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 01:15:00,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 01:15:00,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 01:15:00,523 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 01:15:00,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 01:15:00,523 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 01:15:00,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 01:15:00,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 01:15:00,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 01:15:00,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 01:15:00,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 01:15:00,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 01:15:00,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 01:15:00,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 01:15:00,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 01:15:00,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 01:15:00,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 01:15:00,524 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 01:15:00,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 01:15:00,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 01:15:00,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 01:15:00,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 01:15:00,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 01:15:00,878 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 01:15:00,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-12-13 01:15:01,861 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 01:15:02,103 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 01:15:02,103 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-12-13 01:15:02,113 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a09a75fe8/7d1bc2e2e9e64980a224a16f66a00619/FLAGa1b9dde38 [2022-12-13 01:15:02,126 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a09a75fe8/7d1bc2e2e9e64980a224a16f66a00619 [2022-12-13 01:15:02,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 01:15:02,129 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 01:15:02,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 01:15:02,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 01:15:02,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 01:15:02,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2df8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02, skipping insertion in model container [2022-12-13 01:15:02,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 01:15:02,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 01:15:02,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-12-13 01:15:02,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 01:15:02,493 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 01:15:02,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-12-13 01:15:02,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 01:15:02,573 INFO L208 MainTranslator]: Completed translation [2022-12-13 01:15:02,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02 WrapperNode [2022-12-13 01:15:02,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 01:15:02,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 01:15:02,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 01:15:02,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 01:15:02,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,638 INFO L138 Inliner]: procedures = 163, calls = 52, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 104 [2022-12-13 01:15:02,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 01:15:02,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 01:15:02,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 01:15:02,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 01:15:02,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,668 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 01:15:02,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 01:15:02,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 01:15:02,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 01:15:02,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (1/1) ... [2022-12-13 01:15:02,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 01:15:02,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 01:15:02,701 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) [2022-12-13 01:15:02,743 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 [2022-12-13 01:15:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 01:15:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-12-13 01:15:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-12-13 01:15:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 01:15:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 01:15:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 01:15:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 01:15:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 01:15:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 01:15:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 01:15:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 01:15:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 01:15:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 01:15:02,761 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 01:15:02,910 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 01:15:02,918 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 01:15:03,191 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 01:15:03,196 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 01:15:03,196 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 01:15:03,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:03 BoogieIcfgContainer [2022-12-13 01:15:03,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 01:15:03,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 01:15:03,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 01:15:03,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 01:15:03,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:15:02" (1/3) ... [2022-12-13 01:15:03,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b8d362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:03, skipping insertion in model container [2022-12-13 01:15:03,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:02" (2/3) ... [2022-12-13 01:15:03,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b8d362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:03, skipping insertion in model container [2022-12-13 01:15:03,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:03" (3/3) ... [2022-12-13 01:15:03,209 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2022-12-13 01:15:03,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 01:15:03,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 01:15:03,226 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 01:15:03,299 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 01:15:03,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 147 transitions, 310 flow [2022-12-13 01:15:03,394 INFO L130 PetriNetUnfolder]: 4/145 cut-off events. [2022-12-13 01:15:03,394 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 01:15:03,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 145 events. 4/145 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2022-12-13 01:15:03,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 147 transitions, 310 flow [2022-12-13 01:15:03,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 127 transitions, 260 flow [2022-12-13 01:15:03,414 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:03,431 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 127 transitions, 260 flow [2022-12-13 01:15:03,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 127 transitions, 260 flow [2022-12-13 01:15:03,476 INFO L130 PetriNetUnfolder]: 3/127 cut-off events. [2022-12-13 01:15:03,477 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:03,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 127 events. 3/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 129 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2022-12-13 01:15:03,481 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 127 transitions, 260 flow [2022-12-13 01:15:03,481 INFO L226 LiptonReduction]: Number of co-enabled transitions 4248 [2022-12-13 01:15:07,471 INFO L241 LiptonReduction]: Total number of compositions: 104 [2022-12-13 01:15:07,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 01:15:07,502 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=REPEATED_LIPTON_PN, 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;@acbac85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 01:15:07,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 01:15:07,506 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-12-13 01:15:07,506 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:07,506 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:07,507 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:07,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-12-13 01:15:07,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:07,511 INFO L85 PathProgramCache]: Analyzing trace with hash -2000737828, now seen corresponding path program 1 times [2022-12-13 01:15:07,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:07,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126402640] [2022-12-13 01:15:07,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:07,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:07,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:07,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:07,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126402640] [2022-12-13 01:15:07,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126402640] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:07,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:07,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 01:15:07,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722417561] [2022-12-13 01:15:07,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:07,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 01:15:07,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:07,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 01:15:07,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 01:15:07,652 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 60 [2022-12-13 01:15:07,653 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 60 transitions, 126 flow. Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2022-12-13 01:15:07,653 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:07,653 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 60 [2022-12-13 01:15:07,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:08,301 INFO L130 PetriNetUnfolder]: 5260/8936 cut-off events. [2022-12-13 01:15:08,301 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-13 01:15:08,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17180 conditions, 8936 events. 5260/8936 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 60723 event pairs, 5260 based on Foata normal form. 0/5985 useless extension candidates. Maximal degree in co-relation 17170. Up to 8213 conditions per place. [2022-12-13 01:15:08,343 INFO L137 encePairwiseOnDemand]: 57/60 looper letters, 44 selfloop transitions, 0 changer transitions 0/57 dead transitions. [2022-12-13 01:15:08,343 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 57 transitions, 208 flow [2022-12-13 01:15:08,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 01:15:08,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 01:15:08,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 73 transitions. [2022-12-13 01:15:08,352 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6083333333333333 [2022-12-13 01:15:08,353 INFO L175 Difference]: Start difference. First operand has 64 places, 60 transitions, 126 flow. Second operand 2 states and 73 transitions. [2022-12-13 01:15:08,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 57 transitions, 208 flow [2022-12-13 01:15:08,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 57 transitions, 206 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 01:15:08,358 INFO L231 Difference]: Finished difference. Result has 63 places, 57 transitions, 118 flow [2022-12-13 01:15:08,359 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=118, PETRI_PLACES=63, PETRI_TRANSITIONS=57} [2022-12-13 01:15:08,365 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, -1 predicate places. [2022-12-13 01:15:08,365 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:15:08,365 INFO L89 Accepts]: Start accepts. Operand has 63 places, 57 transitions, 118 flow [2022-12-13 01:15:08,367 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:15:08,367 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:08,368 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 57 transitions, 118 flow [2022-12-13 01:15:08,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 57 transitions, 118 flow [2022-12-13 01:15:08,375 INFO L130 PetriNetUnfolder]: 0/57 cut-off events. [2022-12-13 01:15:08,375 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:08,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 57 events. 0/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 150 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 01:15:08,379 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 57 transitions, 118 flow [2022-12-13 01:15:08,379 INFO L226 LiptonReduction]: Number of co-enabled transitions 1944 [2022-12-13 01:15:08,638 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:15:08,641 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 276 [2022-12-13 01:15:08,643 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 57 transitions, 118 flow [2022-12-13 01:15:08,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2022-12-13 01:15:08,643 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:08,644 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:08,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 01:15:08,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-12-13 01:15:08,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:08,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2000748298, now seen corresponding path program 1 times [2022-12-13 01:15:08,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:08,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474468170] [2022-12-13 01:15:08,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:08,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:08,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:08,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474468170] [2022-12-13 01:15:08,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474468170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:08,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:08,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 01:15:08,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422464327] [2022-12-13 01:15:08,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:08,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 01:15:08,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:08,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 01:15:08,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 01:15:08,777 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 57 [2022-12-13 01:15:08,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 57 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-12-13 01:15:08,777 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:08,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 57 [2022-12-13 01:15:08,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:09,292 INFO L130 PetriNetUnfolder]: 5202/8959 cut-off events. [2022-12-13 01:15:09,292 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:09,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17147 conditions, 8959 events. 5202/8959 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 65368 event pairs, 1809 based on Foata normal form. 75/6094 useless extension candidates. Maximal degree in co-relation 17139. Up to 5752 conditions per place. [2022-12-13 01:15:09,333 INFO L137 encePairwiseOnDemand]: 51/57 looper letters, 69 selfloop transitions, 3 changer transitions 0/84 dead transitions. [2022-12-13 01:15:09,333 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 84 transitions, 318 flow [2022-12-13 01:15:09,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 01:15:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 01:15:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2022-12-13 01:15:09,336 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6491228070175439 [2022-12-13 01:15:09,336 INFO L175 Difference]: Start difference. First operand has 62 places, 57 transitions, 118 flow. Second operand 3 states and 111 transitions. [2022-12-13 01:15:09,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 84 transitions, 318 flow [2022-12-13 01:15:09,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 84 transitions, 318 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 01:15:09,339 INFO L231 Difference]: Finished difference. Result has 65 places, 57 transitions, 133 flow [2022-12-13 01:15:09,339 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=65, PETRI_TRANSITIONS=57} [2022-12-13 01:15:09,339 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, 1 predicate places. [2022-12-13 01:15:09,340 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:15:09,340 INFO L89 Accepts]: Start accepts. Operand has 65 places, 57 transitions, 133 flow [2022-12-13 01:15:09,340 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:15:09,341 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:09,341 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 57 transitions, 133 flow [2022-12-13 01:15:09,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 57 transitions, 133 flow [2022-12-13 01:15:09,380 INFO L130 PetriNetUnfolder]: 0/60 cut-off events. [2022-12-13 01:15:09,380 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:09,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 60 events. 0/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 201 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2022-12-13 01:15:09,381 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 57 transitions, 133 flow [2022-12-13 01:15:09,382 INFO L226 LiptonReduction]: Number of co-enabled transitions 1896 [2022-12-13 01:15:09,395 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:15:09,396 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 56 [2022-12-13 01:15:09,397 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 57 transitions, 133 flow [2022-12-13 01:15:09,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-12-13 01:15:09,397 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:09,397 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:09,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 01:15:09,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-12-13 01:15:09,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1082889975, now seen corresponding path program 1 times [2022-12-13 01:15:09,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:09,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054196412] [2022-12-13 01:15:09,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:09,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:09,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:09,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054196412] [2022-12-13 01:15:09,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054196412] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:09,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:09,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 01:15:09,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575404233] [2022-12-13 01:15:09,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:09,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 01:15:09,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:09,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 01:15:09,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 01:15:09,604 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 57 [2022-12-13 01:15:09,604 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 57 transitions, 133 flow. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-12-13 01:15:09,604 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:09,604 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 57 [2022-12-13 01:15:09,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:10,041 INFO L130 PetriNetUnfolder]: 3279/6309 cut-off events. [2022-12-13 01:15:10,041 INFO L131 PetriNetUnfolder]: For 207/207 co-relation queries the response was YES. [2022-12-13 01:15:10,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13335 conditions, 6309 events. 3279/6309 cut-off events. For 207/207 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 46107 event pairs, 1192 based on Foata normal form. 450/4649 useless extension candidates. Maximal degree in co-relation 13324. Up to 4708 conditions per place. [2022-12-13 01:15:10,062 INFO L137 encePairwiseOnDemand]: 46/57 looper letters, 92 selfloop transitions, 11 changer transitions 0/106 dead transitions. [2022-12-13 01:15:10,063 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 106 transitions, 448 flow [2022-12-13 01:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 01:15:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 01:15:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 118 transitions. [2022-12-13 01:15:10,067 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5175438596491229 [2022-12-13 01:15:10,067 INFO L175 Difference]: Start difference. First operand has 65 places, 57 transitions, 133 flow. Second operand 4 states and 118 transitions. [2022-12-13 01:15:10,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 106 transitions, 448 flow [2022-12-13 01:15:10,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 106 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 01:15:10,074 INFO L231 Difference]: Finished difference. Result has 67 places, 64 transitions, 187 flow [2022-12-13 01:15:10,074 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=187, PETRI_PLACES=67, PETRI_TRANSITIONS=64} [2022-12-13 01:15:10,075 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, 3 predicate places. [2022-12-13 01:15:10,075 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:15:10,075 INFO L89 Accepts]: Start accepts. Operand has 67 places, 64 transitions, 187 flow [2022-12-13 01:15:10,075 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:15:10,076 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:10,076 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 64 transitions, 187 flow [2022-12-13 01:15:10,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 64 transitions, 187 flow [2022-12-13 01:15:10,099 INFO L130 PetriNetUnfolder]: 84/553 cut-off events. [2022-12-13 01:15:10,099 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-13 01:15:10,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 553 events. 84/553 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4404 event pairs, 42 based on Foata normal form. 0/373 useless extension candidates. Maximal degree in co-relation 875. Up to 134 conditions per place. [2022-12-13 01:15:10,102 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 64 transitions, 187 flow [2022-12-13 01:15:10,102 INFO L226 LiptonReduction]: Number of co-enabled transitions 1866 [2022-12-13 01:15:10,153 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:15:10,154 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 79 [2022-12-13 01:15:10,154 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 64 transitions, 187 flow [2022-12-13 01:15:10,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-12-13 01:15:10,154 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:10,154 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:10,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 01:15:10,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-12-13 01:15:10,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:10,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1992084588, now seen corresponding path program 1 times [2022-12-13 01:15:10,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:10,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451281504] [2022-12-13 01:15:10,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:10,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:10,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:10,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451281504] [2022-12-13 01:15:10,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451281504] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:10,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:10,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 01:15:10,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431835701] [2022-12-13 01:15:10,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:10,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 01:15:10,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:10,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 01:15:10,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 01:15:10,201 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 57 [2022-12-13 01:15:10,201 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 64 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-12-13 01:15:10,202 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:10,202 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 57 [2022-12-13 01:15:10,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:10,478 INFO L130 PetriNetUnfolder]: 2161/4597 cut-off events. [2022-12-13 01:15:10,478 INFO L131 PetriNetUnfolder]: For 552/564 co-relation queries the response was YES. [2022-12-13 01:15:10,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10575 conditions, 4597 events. 2161/4597 cut-off events. For 552/564 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 35058 event pairs, 545 based on Foata normal form. 12/3466 useless extension candidates. Maximal degree in co-relation 10563. Up to 3145 conditions per place. [2022-12-13 01:15:10,492 INFO L137 encePairwiseOnDemand]: 53/57 looper letters, 70 selfloop transitions, 3 changer transitions 0/89 dead transitions. [2022-12-13 01:15:10,492 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 89 transitions, 405 flow [2022-12-13 01:15:10,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 01:15:10,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 01:15:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2022-12-13 01:15:10,493 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6374269005847953 [2022-12-13 01:15:10,493 INFO L175 Difference]: Start difference. First operand has 67 places, 64 transitions, 187 flow. Second operand 3 states and 109 transitions. [2022-12-13 01:15:10,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 89 transitions, 405 flow [2022-12-13 01:15:10,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 89 transitions, 404 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 01:15:10,495 INFO L231 Difference]: Finished difference. Result has 69 places, 64 transitions, 197 flow [2022-12-13 01:15:10,496 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=69, PETRI_TRANSITIONS=64} [2022-12-13 01:15:10,496 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, 5 predicate places. [2022-12-13 01:15:10,496 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:15:10,496 INFO L89 Accepts]: Start accepts. Operand has 69 places, 64 transitions, 197 flow [2022-12-13 01:15:10,497 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:15:10,497 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:10,497 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 64 transitions, 197 flow [2022-12-13 01:15:10,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 69 places, 64 transitions, 197 flow [2022-12-13 01:15:10,523 INFO L130 PetriNetUnfolder]: 84/575 cut-off events. [2022-12-13 01:15:10,524 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 01:15:10,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 575 events. 84/575 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4632 event pairs, 54 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 930. Up to 134 conditions per place. [2022-12-13 01:15:10,528 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 64 transitions, 197 flow [2022-12-13 01:15:10,528 INFO L226 LiptonReduction]: Number of co-enabled transitions 1850 [2022-12-13 01:15:10,565 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:15:10,565 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 69 [2022-12-13 01:15:10,566 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 64 transitions, 197 flow [2022-12-13 01:15:10,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-12-13 01:15:10,566 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:10,566 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:10,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 01:15:10,566 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-12-13 01:15:10,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:10,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1720538503, now seen corresponding path program 1 times [2022-12-13 01:15:10,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:10,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239257681] [2022-12-13 01:15:10,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:10,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:10,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:10,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239257681] [2022-12-13 01:15:10,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239257681] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:10,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:10,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 01:15:10,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682801956] [2022-12-13 01:15:10,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:10,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 01:15:10,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:10,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 01:15:10,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 01:15:10,655 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 57 [2022-12-13 01:15:10,655 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 64 transitions, 197 flow. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-12-13 01:15:10,655 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:10,655 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 57 [2022-12-13 01:15:10,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:11,074 INFO L130 PetriNetUnfolder]: 2027/4539 cut-off events. [2022-12-13 01:15:11,074 INFO L131 PetriNetUnfolder]: For 613/634 co-relation queries the response was YES. [2022-12-13 01:15:11,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10656 conditions, 4539 events. 2027/4539 cut-off events. For 613/634 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 36853 event pairs, 1447 based on Foata normal form. 247/3644 useless extension candidates. Maximal degree in co-relation 10642. Up to 2847 conditions per place. [2022-12-13 01:15:11,085 INFO L137 encePairwiseOnDemand]: 48/57 looper letters, 127 selfloop transitions, 6 changer transitions 0/148 dead transitions. [2022-12-13 01:15:11,085 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 148 transitions, 694 flow [2022-12-13 01:15:11,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 01:15:11,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 01:15:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 204 transitions. [2022-12-13 01:15:11,087 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5964912280701754 [2022-12-13 01:15:11,087 INFO L175 Difference]: Start difference. First operand has 69 places, 64 transitions, 197 flow. Second operand 6 states and 204 transitions. [2022-12-13 01:15:11,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 148 transitions, 694 flow [2022-12-13 01:15:11,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 148 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 01:15:11,089 INFO L231 Difference]: Finished difference. Result has 73 places, 64 transitions, 213 flow [2022-12-13 01:15:11,090 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=213, PETRI_PLACES=73, PETRI_TRANSITIONS=64} [2022-12-13 01:15:11,090 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, 9 predicate places. [2022-12-13 01:15:11,090 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:15:11,090 INFO L89 Accepts]: Start accepts. Operand has 73 places, 64 transitions, 213 flow [2022-12-13 01:15:11,091 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:15:11,091 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:11,091 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 64 transitions, 213 flow [2022-12-13 01:15:11,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 64 transitions, 213 flow [2022-12-13 01:15:11,116 INFO L130 PetriNetUnfolder]: 102/620 cut-off events. [2022-12-13 01:15:11,116 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-12-13 01:15:11,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1136 conditions, 620 events. 102/620 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 5241 event pairs, 63 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 1124. Up to 182 conditions per place. [2022-12-13 01:15:11,120 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 64 transitions, 213 flow [2022-12-13 01:15:11,120 INFO L226 LiptonReduction]: Number of co-enabled transitions 1730 [2022-12-13 01:15:11,134 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:15:11,135 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 45 [2022-12-13 01:15:11,135 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 64 transitions, 213 flow [2022-12-13 01:15:11,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2022-12-13 01:15:11,135 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:11,135 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:11,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 01:15:11,135 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-12-13 01:15:11,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:11,136 INFO L85 PathProgramCache]: Analyzing trace with hash 755474416, now seen corresponding path program 1 times [2022-12-13 01:15:11,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:11,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335210706] [2022-12-13 01:15:11,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:11,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:11,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:11,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335210706] [2022-12-13 01:15:11,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335210706] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:11,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:11,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 01:15:11,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111386367] [2022-12-13 01:15:11,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:11,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 01:15:11,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:11,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 01:15:11,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 01:15:11,181 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 57 [2022-12-13 01:15:11,181 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 64 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-12-13 01:15:11,181 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:11,181 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 57 [2022-12-13 01:15:11,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:11,551 INFO L130 PetriNetUnfolder]: 2379/5720 cut-off events. [2022-12-13 01:15:11,551 INFO L131 PetriNetUnfolder]: For 1296/1296 co-relation queries the response was YES. [2022-12-13 01:15:11,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15239 conditions, 5720 events. 2379/5720 cut-off events. For 1296/1296 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 48520 event pairs, 1095 based on Foata normal form. 805/4858 useless extension candidates. Maximal degree in co-relation 15224. Up to 2868 conditions per place. [2022-12-13 01:15:11,567 INFO L137 encePairwiseOnDemand]: 27/57 looper letters, 67 selfloop transitions, 33 changer transitions 3/106 dead transitions. [2022-12-13 01:15:11,567 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 106 transitions, 572 flow [2022-12-13 01:15:11,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 01:15:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 01:15:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 115 transitions. [2022-12-13 01:15:11,568 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.672514619883041 [2022-12-13 01:15:11,568 INFO L175 Difference]: Start difference. First operand has 73 places, 64 transitions, 213 flow. Second operand 3 states and 115 transitions. [2022-12-13 01:15:11,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 106 transitions, 572 flow [2022-12-13 01:15:11,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 106 transitions, 555 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 01:15:11,573 INFO L231 Difference]: Finished difference. Result has 72 places, 81 transitions, 402 flow [2022-12-13 01:15:11,573 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=72, PETRI_TRANSITIONS=81} [2022-12-13 01:15:11,574 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, 8 predicate places. [2022-12-13 01:15:11,574 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:15:11,574 INFO L89 Accepts]: Start accepts. Operand has 72 places, 81 transitions, 402 flow [2022-12-13 01:15:11,575 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:15:11,575 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:11,575 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 81 transitions, 402 flow [2022-12-13 01:15:11,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 81 transitions, 402 flow [2022-12-13 01:15:11,733 INFO L130 PetriNetUnfolder]: 844/3053 cut-off events. [2022-12-13 01:15:11,733 INFO L131 PetriNetUnfolder]: For 452/452 co-relation queries the response was YES. [2022-12-13 01:15:11,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7907 conditions, 3053 events. 844/3053 cut-off events. For 452/452 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 29868 event pairs, 351 based on Foata normal form. 0/2048 useless extension candidates. Maximal degree in co-relation 7895. Up to 1323 conditions per place. [2022-12-13 01:15:11,747 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 81 transitions, 402 flow [2022-12-13 01:15:11,747 INFO L226 LiptonReduction]: Number of co-enabled transitions 1304 [2022-12-13 01:15:11,813 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 01:15:11,813 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 239 [2022-12-13 01:15:11,814 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 81 transitions, 405 flow [2022-12-13 01:15:11,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-12-13 01:15:11,814 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:11,814 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:11,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 01:15:11,814 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-12-13 01:15:11,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:11,814 INFO L85 PathProgramCache]: Analyzing trace with hash 384940514, now seen corresponding path program 1 times [2022-12-13 01:15:11,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:11,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804352858] [2022-12-13 01:15:11,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:11,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:12,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:12,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804352858] [2022-12-13 01:15:12,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804352858] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:12,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:12,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 01:15:12,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961148825] [2022-12-13 01:15:12,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:12,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 01:15:12,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:12,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 01:15:12,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 01:15:12,006 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 58 [2022-12-13 01:15:12,006 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 81 transitions, 405 flow. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2022-12-13 01:15:12,006 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:12,006 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 58 [2022-12-13 01:15:12,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:12,270 INFO L130 PetriNetUnfolder]: 973/2735 cut-off events. [2022-12-13 01:15:12,271 INFO L131 PetriNetUnfolder]: For 1097/1097 co-relation queries the response was YES. [2022-12-13 01:15:12,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8939 conditions, 2735 events. 973/2735 cut-off events. For 1097/1097 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 21559 event pairs, 210 based on Foata normal form. 174/2177 useless extension candidates. Maximal degree in co-relation 8924. Up to 2552 conditions per place. [2022-12-13 01:15:12,276 INFO L137 encePairwiseOnDemand]: 51/58 looper letters, 57 selfloop transitions, 12 changer transitions 27/99 dead transitions. [2022-12-13 01:15:12,276 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 99 transitions, 665 flow [2022-12-13 01:15:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 01:15:12,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 01:15:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 86 transitions. [2022-12-13 01:15:12,277 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3706896551724138 [2022-12-13 01:15:12,277 INFO L175 Difference]: Start difference. First operand has 72 places, 81 transitions, 405 flow. Second operand 4 states and 86 transitions. [2022-12-13 01:15:12,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 99 transitions, 665 flow [2022-12-13 01:15:12,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 99 transitions, 616 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 01:15:12,280 INFO L231 Difference]: Finished difference. Result has 69 places, 59 transitions, 285 flow [2022-12-13 01:15:12,281 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=285, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2022-12-13 01:15:12,281 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, 5 predicate places. [2022-12-13 01:15:12,281 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:15:12,281 INFO L89 Accepts]: Start accepts. Operand has 69 places, 59 transitions, 285 flow [2022-12-13 01:15:12,282 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:15:12,282 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:12,282 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 59 transitions, 285 flow [2022-12-13 01:15:12,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 59 transitions, 285 flow [2022-12-13 01:15:12,317 INFO L130 PetriNetUnfolder]: 188/935 cut-off events. [2022-12-13 01:15:12,318 INFO L131 PetriNetUnfolder]: For 70/70 co-relation queries the response was YES. [2022-12-13 01:15:12,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2084 conditions, 935 events. 188/935 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 7668 event pairs, 92 based on Foata normal form. 0/737 useless extension candidates. Maximal degree in co-relation 2073. Up to 386 conditions per place. [2022-12-13 01:15:12,322 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 59 transitions, 285 flow [2022-12-13 01:15:12,322 INFO L226 LiptonReduction]: Number of co-enabled transitions 436 [2022-12-13 01:15:12,761 INFO L241 LiptonReduction]: Total number of compositions: 11 [2022-12-13 01:15:12,762 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 481 [2022-12-13 01:15:12,762 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 47 transitions, 253 flow [2022-12-13 01:15:12,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2022-12-13 01:15:12,762 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:12,762 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:12,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 01:15:12,762 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-12-13 01:15:12,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:12,762 INFO L85 PathProgramCache]: Analyzing trace with hash -2025862236, now seen corresponding path program 1 times [2022-12-13 01:15:12,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:12,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357697778] [2022-12-13 01:15:12,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:12,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:12,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:12,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357697778] [2022-12-13 01:15:12,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357697778] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:12,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:12,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 01:15:12,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140159307] [2022-12-13 01:15:12,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:12,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 01:15:12,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:12,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 01:15:12,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 01:15:12,888 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 34 [2022-12-13 01:15:12,888 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 47 transitions, 253 flow. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2022-12-13 01:15:12,888 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:12,888 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 34 [2022-12-13 01:15:12,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:12,989 INFO L130 PetriNetUnfolder]: 165/671 cut-off events. [2022-12-13 01:15:12,989 INFO L131 PetriNetUnfolder]: For 361/361 co-relation queries the response was YES. [2022-12-13 01:15:12,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2320 conditions, 671 events. 165/671 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4885 event pairs, 65 based on Foata normal form. 58/566 useless extension candidates. Maximal degree in co-relation 2306. Up to 435 conditions per place. [2022-12-13 01:15:12,991 INFO L137 encePairwiseOnDemand]: 27/34 looper letters, 37 selfloop transitions, 12 changer transitions 6/57 dead transitions. [2022-12-13 01:15:12,991 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 57 transitions, 425 flow [2022-12-13 01:15:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 01:15:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 01:15:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 53 transitions. [2022-12-13 01:15:12,992 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3897058823529412 [2022-12-13 01:15:12,992 INFO L175 Difference]: Start difference. First operand has 47 places, 47 transitions, 253 flow. Second operand 4 states and 53 transitions. [2022-12-13 01:15:12,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 57 transitions, 425 flow [2022-12-13 01:15:12,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 57 transitions, 388 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 01:15:12,995 INFO L231 Difference]: Finished difference. Result has 47 places, 41 transitions, 226 flow [2022-12-13 01:15:12,995 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=226, PETRI_PLACES=47, PETRI_TRANSITIONS=41} [2022-12-13 01:15:12,995 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, -17 predicate places. [2022-12-13 01:15:12,995 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 01:15:12,995 INFO L89 Accepts]: Start accepts. Operand has 47 places, 41 transitions, 226 flow [2022-12-13 01:15:12,996 INFO L95 Accepts]: Finished accepts. [2022-12-13 01:15:12,996 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:12,996 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 41 transitions, 226 flow [2022-12-13 01:15:12,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 41 transitions, 226 flow [2022-12-13 01:15:13,016 INFO L130 PetriNetUnfolder]: 84/424 cut-off events. [2022-12-13 01:15:13,016 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-12-13 01:15:13,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1055 conditions, 424 events. 84/424 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2979 event pairs, 45 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 1044. Up to 226 conditions per place. [2022-12-13 01:15:13,018 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 41 transitions, 226 flow [2022-12-13 01:15:13,018 INFO L226 LiptonReduction]: Number of co-enabled transitions 128 [2022-12-13 01:15:13,405 INFO L241 LiptonReduction]: Total number of compositions: 8 [2022-12-13 01:15:13,406 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 411 [2022-12-13 01:15:13,406 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 34 transitions, 208 flow [2022-12-13 01:15:13,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2022-12-13 01:15:13,406 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 01:15:13,406 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:13,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 01:15:13,406 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-12-13 01:15:13,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 01:15:13,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2038466161, now seen corresponding path program 1 times [2022-12-13 01:15:13,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 01:15:13,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958401456] [2022-12-13 01:15:13,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 01:15:13,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 01:15:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 01:15:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 01:15:13,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 01:15:13,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958401456] [2022-12-13 01:15:13,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958401456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 01:15:13,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 01:15:13,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 01:15:13,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338128955] [2022-12-13 01:15:13,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 01:15:13,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 01:15:13,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 01:15:13,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 01:15:13,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 01:15:13,481 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 22 [2022-12-13 01:15:13,482 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 34 transitions, 208 flow. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-12-13 01:15:13,482 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 01:15:13,482 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 22 [2022-12-13 01:15:13,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 01:15:13,526 INFO L130 PetriNetUnfolder]: 74/264 cut-off events. [2022-12-13 01:15:13,526 INFO L131 PetriNetUnfolder]: For 234/234 co-relation queries the response was YES. [2022-12-13 01:15:13,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 972 conditions, 264 events. 74/264 cut-off events. For 234/234 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1559 event pairs, 52 based on Foata normal form. 36/234 useless extension candidates. Maximal degree in co-relation 958. Up to 198 conditions per place. [2022-12-13 01:15:13,527 INFO L137 encePairwiseOnDemand]: 17/22 looper letters, 0 selfloop transitions, 0 changer transitions 37/37 dead transitions. [2022-12-13 01:15:13,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 37 transitions, 271 flow [2022-12-13 01:15:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 01:15:13,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 01:15:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2022-12-13 01:15:13,527 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4772727272727273 [2022-12-13 01:15:13,527 INFO L175 Difference]: Start difference. First operand has 35 places, 34 transitions, 208 flow. Second operand 4 states and 42 transitions. [2022-12-13 01:15:13,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 37 transitions, 271 flow [2022-12-13 01:15:13,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 37 transitions, 247 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 01:15:13,528 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2022-12-13 01:15:13,528 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2022-12-13 01:15:13,529 INFO L295 CegarLoopForPetriNet]: 64 programPoint places, -31 predicate places. [2022-12-13 01:15:13,529 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 01:15:13,529 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 0 transitions, 0 flow [2022-12-13 01:15:13,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-13 01:15:13,529 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 01:15:13,529 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 01:15:13,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-13 01:15:13,530 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 01:15:13,530 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 01:15:13,530 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 01:15:13,530 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-13 01:15:13,530 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 01:15:13,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-12-13 01:15:13,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-13 01:15:13,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-13 01:15:13,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-12-13 01:15:13,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-12-13 01:15:13,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2022-12-13 01:15:13,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2022-12-13 01:15:13,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 01:15:13,533 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 01:15:13,535 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 01:15:13,535 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 01:15:13,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:15:13 BasicIcfg [2022-12-13 01:15:13,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 01:15:13,538 INFO L158 Benchmark]: Toolchain (without parser) took 11409.04ms. Allocated memory was 197.1MB in the beginning and 664.8MB in the end (delta: 467.7MB). Free memory was 171.7MB in the beginning and 246.4MB in the end (delta: -74.7MB). Peak memory consumption was 393.0MB. Max. memory is 8.0GB. [2022-12-13 01:15:13,538 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 01:15:13,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.38ms. Allocated memory is still 197.1MB. Free memory was 171.1MB in the beginning and 151.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-13 01:15:13,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.53ms. Allocated memory is still 197.1MB. Free memory was 151.7MB in the beginning and 149.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 01:15:13,539 INFO L158 Benchmark]: Boogie Preprocessor took 30.86ms. Allocated memory is still 197.1MB. Free memory was 149.1MB in the beginning and 147.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 01:15:13,539 INFO L158 Benchmark]: RCFGBuilder took 527.30ms. Allocated memory is still 197.1MB. Free memory was 147.6MB in the beginning and 129.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-12-13 01:15:13,539 INFO L158 Benchmark]: TraceAbstraction took 10338.24ms. Allocated memory was 197.1MB in the beginning and 664.8MB in the end (delta: 467.7MB). Free memory was 128.7MB in the beginning and 246.4MB in the end (delta: -117.7MB). Peak memory consumption was 350.0MB. Max. memory is 8.0GB. [2022-12-13 01:15:13,540 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 197.1MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 442.38ms. Allocated memory is still 197.1MB. Free memory was 171.1MB in the beginning and 151.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.53ms. Allocated memory is still 197.1MB. Free memory was 151.7MB in the beginning and 149.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.86ms. Allocated memory is still 197.1MB. Free memory was 149.1MB in the beginning and 147.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 527.30ms. Allocated memory is still 197.1MB. Free memory was 147.6MB in the beginning and 129.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 10338.24ms. Allocated memory was 197.1MB in the beginning and 664.8MB in the end (delta: 467.7MB). Free memory was 128.7MB in the beginning and 246.4MB in the end (delta: -117.7MB). Peak memory consumption was 350.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.0s, 131 PlacesBefore, 64 PlacesAfterwards, 127 TransitionsBefore, 60 TransitionsAfterwards, 4248 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 36 TrivialYvCompositions, 51 ConcurrentYvCompositions, 0 ChoiceCompositions, 104 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4856, independent: 4575, independent conditional: 4575, independent unconditional: 0, dependent: 281, dependent conditional: 281, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4856, independent: 4575, independent conditional: 0, independent unconditional: 4575, dependent: 281, dependent conditional: 0, dependent unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4856, independent: 4575, independent conditional: 0, independent unconditional: 4575, dependent: 281, dependent conditional: 0, dependent unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4856, independent: 4575, independent conditional: 0, independent unconditional: 4575, dependent: 281, dependent conditional: 0, dependent unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3453, independent: 3341, independent conditional: 0, independent unconditional: 3341, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3453, independent: 3030, independent conditional: 0, independent unconditional: 3030, dependent: 423, dependent conditional: 0, dependent unconditional: 423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 423, independent: 311, independent conditional: 0, independent unconditional: 311, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 358, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 194, dependent conditional: 0, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4856, independent: 1234, independent conditional: 0, independent unconditional: 1234, dependent: 169, dependent conditional: 0, dependent unconditional: 169, unknown: 3453, unknown conditional: 0, unknown unconditional: 3453] , Statistics on independence cache: Total cache size (in pairs): 5789, Positive cache size: 5677, Positive conditional cache size: 0, Positive unconditional cache size: 5677, Negative cache size: 112, Negative conditional cache size: 0, Negative unconditional cache size: 112, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 62 PlacesBefore, 62 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1944 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 916, independent: 824, independent conditional: 824, independent unconditional: 0, dependent: 92, dependent conditional: 92, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 916, independent: 824, independent conditional: 0, independent unconditional: 824, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 916, independent: 824, independent conditional: 0, independent unconditional: 824, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 916, independent: 824, independent conditional: 0, independent unconditional: 824, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 708, independent: 636, independent conditional: 0, independent unconditional: 636, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 708, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 246, independent: 174, independent conditional: 0, independent unconditional: 174, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 250, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 916, independent: 188, independent conditional: 0, independent unconditional: 188, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 708, unknown conditional: 0, unknown unconditional: 708] , Statistics on independence cache: Total cache size (in pairs): 708, Positive cache size: 636, Positive conditional cache size: 0, Positive unconditional cache size: 636, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 65 PlacesBefore, 65 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 871, independent: 783, independent conditional: 783, independent unconditional: 0, dependent: 88, dependent conditional: 88, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 871, independent: 783, independent conditional: 92, independent unconditional: 691, dependent: 88, dependent conditional: 6, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 871, independent: 783, independent conditional: 0, independent unconditional: 783, dependent: 88, dependent conditional: 6, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 871, independent: 783, independent conditional: 0, independent unconditional: 783, dependent: 88, dependent conditional: 6, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 871, independent: 783, independent conditional: 0, independent unconditional: 783, dependent: 80, dependent conditional: 1, dependent unconditional: 79, unknown: 8, unknown conditional: 5, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 716, Positive cache size: 636, Positive conditional cache size: 0, Positive unconditional cache size: 636, Negative cache size: 80, Negative conditional cache size: 5, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 92, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 67 PlacesBefore, 67 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1866 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 819, independent: 739, independent conditional: 739, independent unconditional: 0, dependent: 80, dependent conditional: 80, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 819, independent: 739, independent conditional: 174, independent unconditional: 565, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 819, independent: 739, independent conditional: 174, independent unconditional: 565, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 819, independent: 739, independent conditional: 174, independent unconditional: 565, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, independent: 28, independent conditional: 24, independent unconditional: 4, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, independent: 30, independent conditional: 30, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 819, independent: 711, independent conditional: 150, independent unconditional: 561, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 42, unknown conditional: 24, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 758, Positive cache size: 664, Positive conditional cache size: 24, Positive unconditional cache size: 640, Negative cache size: 94, Negative conditional cache size: 5, Negative unconditional cache size: 89, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 69 PlacesBefore, 69 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1850 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 830, independent: 752, independent conditional: 752, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 830, independent: 752, independent conditional: 222, independent unconditional: 530, dependent: 78, dependent conditional: 4, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 830, independent: 752, independent conditional: 222, independent unconditional: 530, dependent: 78, dependent conditional: 4, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 830, independent: 752, independent conditional: 222, independent unconditional: 530, dependent: 78, dependent conditional: 4, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 6, dependent conditional: 3, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 6, dependent conditional: 3, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 830, independent: 706, independent conditional: 222, independent unconditional: 484, dependent: 72, dependent conditional: 1, dependent unconditional: 71, unknown: 52, unknown conditional: 3, unknown unconditional: 49] , Statistics on independence cache: Total cache size (in pairs): 810, Positive cache size: 710, Positive conditional cache size: 24, Positive unconditional cache size: 686, Negative cache size: 100, Negative conditional cache size: 8, Negative unconditional cache size: 92, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 73 PlacesBefore, 73 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 908, independent: 824, independent conditional: 824, independent unconditional: 0, dependent: 84, dependent conditional: 84, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 908, independent: 824, independent conditional: 420, independent unconditional: 404, dependent: 84, dependent conditional: 17, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 908, independent: 824, independent conditional: 420, independent unconditional: 404, dependent: 84, dependent conditional: 17, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 908, independent: 824, independent conditional: 420, independent unconditional: 404, dependent: 84, dependent conditional: 17, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 10, dependent conditional: 9, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 9, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 8, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 908, independent: 814, independent conditional: 410, independent unconditional: 404, dependent: 74, dependent conditional: 8, dependent unconditional: 66, unknown: 20, unknown conditional: 19, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 830, Positive cache size: 720, Positive conditional cache size: 34, Positive unconditional cache size: 686, Negative cache size: 110, Negative conditional cache size: 17, Negative unconditional cache size: 93, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 72 PlacesBefore, 72 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 1304 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 332, independent: 292, independent conditional: 292, independent unconditional: 0, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 332, independent: 292, independent conditional: 106, independent unconditional: 186, dependent: 40, dependent conditional: 18, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 332, independent: 292, independent conditional: 106, independent unconditional: 186, dependent: 40, dependent conditional: 18, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 332, independent: 292, independent conditional: 106, independent unconditional: 186, dependent: 40, dependent conditional: 18, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, independent: 16, independent conditional: 7, independent unconditional: 9, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 332, independent: 276, independent conditional: 99, independent unconditional: 177, dependent: 36, dependent conditional: 15, dependent unconditional: 21, unknown: 20, unknown conditional: 10, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 852, Positive cache size: 738, Positive conditional cache size: 41, Positive unconditional cache size: 697, Negative cache size: 114, Negative conditional cache size: 20, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 56 PlacesBefore, 47 PlacesAfterwards, 59 TransitionsBefore, 47 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 300, independent: 288, independent conditional: 288, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 300, independent: 288, independent conditional: 155, independent unconditional: 133, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 302, independent: 288, independent conditional: 155, independent unconditional: 133, dependent: 14, dependent conditional: 6, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 302, independent: 288, independent conditional: 155, independent unconditional: 133, dependent: 14, dependent conditional: 6, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, independent: 37, independent conditional: 28, independent unconditional: 9, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 12, independent conditional: 11, independent unconditional: 1, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, independent: 17, independent conditional: 16, independent unconditional: 1, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 302, independent: 251, independent conditional: 127, independent unconditional: 124, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 39, unknown conditional: 30, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 1143, Positive cache size: 1027, Positive conditional cache size: 69, Positive unconditional cache size: 958, Negative cache size: 116, Negative conditional cache size: 22, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 41 PlacesBefore, 35 PlacesAfterwards, 41 TransitionsBefore, 34 TransitionsAfterwards, 128 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, independent: 35, independent conditional: 35, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 35, independent: 35, independent conditional: 23, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35, independent: 35, independent conditional: 23, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35, independent: 35, independent conditional: 23, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, independent: 33, independent conditional: 22, independent unconditional: 11, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1186, Positive cache size: 1070, Positive conditional cache size: 70, Positive unconditional cache size: 1000, Negative cache size: 116, Negative conditional cache size: 22, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1186, Positive cache size: 1070, Positive conditional cache size: 70, Positive unconditional cache size: 1000, Negative cache size: 116, Negative conditional cache size: 22, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 184 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 353 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 952 IncrementalHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 11 mSDtfsCounter, 952 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=405occurred in iteration=6, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 01:15:13,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...