/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 04:26:35,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 04:26:35,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 04:26:35,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 04:26:35,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 04:26:35,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 04:26:35,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 04:26:35,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 04:26:35,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 04:26:35,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 04:26:35,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 04:26:35,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 04:26:35,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 04:26:35,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 04:26:35,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 04:26:35,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 04:26:35,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 04:26:35,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 04:26:35,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 04:26:35,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 04:26:35,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 04:26:35,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 04:26:35,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 04:26:35,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 04:26:35,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-28 04:26:35,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 04:26:35,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 04:26:35,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 04:26:35,982 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-VariableLbe.epf [2023-01-28 04:26:35,997 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 04:26:35,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 04:26:35,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 04:26:35,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 04:26:35,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 04:26:36,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 04:26:36,000 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 04:26:36,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 04:26:36,000 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 04:26:36,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 04:26:36,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 04:26:36,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 04:26:36,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 04:26:36,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 04:26:36,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 04:26:36,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 04:26:36,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 04:26:36,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 04:26:36,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 04:26:36,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 04:26:36,002 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-01-28 04:26:36,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 04:26:36,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 04:26:36,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 04:26:36,211 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 04:26:36,211 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 04:26:36,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-01-28 04:26:37,220 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 04:26:37,407 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 04:26:37,407 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-01-28 04:26:37,424 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34699364b/9f18f89729b54bc2aad0219037948803/FLAGa9f515b68 [2023-01-28 04:26:37,439 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34699364b/9f18f89729b54bc2aad0219037948803 [2023-01-28 04:26:37,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 04:26:37,443 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 04:26:37,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 04:26:37,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 04:26:37,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 04:26:37,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70353b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37, skipping insertion in model container [2023-01-28 04:26:37,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 04:26:37,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 04:26:37,586 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2023-01-28 04:26:37,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 04:26:37,600 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 04:26:37,616 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2023-01-28 04:26:37,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 04:26:37,623 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 04:26:37,623 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 04:26:37,627 INFO L208 MainTranslator]: Completed translation [2023-01-28 04:26:37,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37 WrapperNode [2023-01-28 04:26:37,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 04:26:37,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 04:26:37,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 04:26:37,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 04:26:37,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,675 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 284 [2023-01-28 04:26:37,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 04:26:37,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 04:26:37,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 04:26:37,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 04:26:37,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,713 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 04:26:37,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 04:26:37,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 04:26:37,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 04:26:37,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (1/1) ... [2023-01-28 04:26:37,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 04:26:37,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:26:37,738 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) [2023-01-28 04:26:37,739 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 [2023-01-28 04:26:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 04:26:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 04:26:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 04:26:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 04:26:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-28 04:26:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-28 04:26:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-28 04:26:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-28 04:26:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-28 04:26:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-28 04:26:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 04:26:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 04:26:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 04:26:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-28 04:26:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 04:26:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 04:26:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 04:26:37,783 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 04:26:37,924 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 04:26:37,926 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 04:26:38,231 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 04:26:38,406 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 04:26:38,406 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-01-28 04:26:38,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 04:26:38 BoogieIcfgContainer [2023-01-28 04:26:38,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 04:26:38,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 04:26:38,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 04:26:38,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 04:26:38,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 04:26:37" (1/3) ... [2023-01-28 04:26:38,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5f3f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 04:26:38, skipping insertion in model container [2023-01-28 04:26:38,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 04:26:37" (2/3) ... [2023-01-28 04:26:38,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5f3f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 04:26:38, skipping insertion in model container [2023-01-28 04:26:38,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 04:26:38" (3/3) ... [2023-01-28 04:26:38,415 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2023-01-28 04:26:38,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 04:26:38,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 04:26:38,427 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 04:26:38,490 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-28 04:26:38,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 183 transitions, 390 flow [2023-01-28 04:26:38,593 INFO L130 PetriNetUnfolder]: 16/180 cut-off events. [2023-01-28 04:26:38,593 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 04:26:38,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 180 events. 16/180 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 112 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 143. Up to 2 conditions per place. [2023-01-28 04:26:38,598 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 183 transitions, 390 flow [2023-01-28 04:26:38,604 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 170 transitions, 358 flow [2023-01-28 04:26:38,606 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 04:26:38,611 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 170 transitions, 358 flow [2023-01-28 04:26:38,613 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 170 transitions, 358 flow [2023-01-28 04:26:38,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 170 transitions, 358 flow [2023-01-28 04:26:38,637 INFO L130 PetriNetUnfolder]: 16/170 cut-off events. [2023-01-28 04:26:38,637 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 04:26:38,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 170 events. 16/170 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 111 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 143. Up to 2 conditions per place. [2023-01-28 04:26:38,641 INFO L119 LiptonReduction]: Number of co-enabled transitions 1518 [2023-01-28 04:26:43,449 INFO L134 LiptonReduction]: Checked pairs total: 2268 [2023-01-28 04:26:43,450 INFO L136 LiptonReduction]: Total number of compositions: 170 [2023-01-28 04:26:43,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 04:26:43,462 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50e67a69, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 04:26:43,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-28 04:26:43,469 INFO L130 PetriNetUnfolder]: 5/27 cut-off events. [2023-01-28 04:26:43,469 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 04:26:43,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:26:43,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:26:43,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:26:43,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:26:43,473 INFO L85 PathProgramCache]: Analyzing trace with hash -2134572771, now seen corresponding path program 1 times [2023-01-28 04:26:43,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:26:43,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004321482] [2023-01-28 04:26:43,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:26:43,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:26:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:26:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:26:43,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:26:43,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004321482] [2023-01-28 04:26:43,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004321482] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 04:26:43,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 04:26:43,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-28 04:26:43,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181156872] [2023-01-28 04:26:43,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 04:26:43,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-28 04:26:43,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:26:43,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-28 04:26:43,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-01-28 04:26:43,865 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 353 [2023-01-28 04:26:43,869 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 28 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 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) [2023-01-28 04:26:43,870 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:26:43,870 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 353 [2023-01-28 04:26:43,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:26:44,011 INFO L130 PetriNetUnfolder]: 531/736 cut-off events. [2023-01-28 04:26:44,011 INFO L131 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2023-01-28 04:26:44,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1531 conditions, 736 events. 531/736 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2525 event pairs, 185 based on Foata normal form. 0/514 useless extension candidates. Maximal degree in co-relation 1182. Up to 438 conditions per place. [2023-01-28 04:26:44,018 INFO L137 encePairwiseOnDemand]: 348/353 looper letters, 33 selfloop transitions, 4 changer transitions 0/39 dead transitions. [2023-01-28 04:26:44,018 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 176 flow [2023-01-28 04:26:44,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-28 04:26:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-28 04:26:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 622 transitions. [2023-01-28 04:26:44,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4405099150141643 [2023-01-28 04:26:44,029 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 622 transitions. [2023-01-28 04:26:44,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 622 transitions. [2023-01-28 04:26:44,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:26:44,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 622 transitions. [2023-01-28 04:26:44,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 155.5) internal successors, (622), 4 states have internal predecessors, (622), 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) [2023-01-28 04:26:44,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 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) [2023-01-28 04:26:44,040 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 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) [2023-01-28 04:26:44,041 INFO L175 Difference]: Start difference. First operand has 33 places, 28 transitions, 74 flow. Second operand 4 states and 622 transitions. [2023-01-28 04:26:44,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 39 transitions, 176 flow [2023-01-28 04:26:44,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 39 transitions, 160 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-01-28 04:26:44,045 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 83 flow [2023-01-28 04:26:44,047 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=83, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2023-01-28 04:26:44,049 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -1 predicate places. [2023-01-28 04:26:44,049 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 83 flow [2023-01-28 04:26:44,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 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) [2023-01-28 04:26:44,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:26:44,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:26:44,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 04:26:44,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:26:44,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:26:44,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1985121884, now seen corresponding path program 1 times [2023-01-28 04:26:44,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:26:44,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674540619] [2023-01-28 04:26:44,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:26:44,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:26:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:26:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:26:44,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:26:44,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674540619] [2023-01-28 04:26:44,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674540619] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 04:26:44,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 04:26:44,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-28 04:26:44,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351396450] [2023-01-28 04:26:44,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 04:26:44,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-28 04:26:44,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:26:44,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-28 04:26:44,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-01-28 04:26:44,212 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 353 [2023-01-28 04:26:44,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 83 flow. Second operand has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 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) [2023-01-28 04:26:44,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:26:44,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 353 [2023-01-28 04:26:44,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:26:44,353 INFO L130 PetriNetUnfolder]: 532/741 cut-off events. [2023-01-28 04:26:44,353 INFO L131 PetriNetUnfolder]: For 185/185 co-relation queries the response was YES. [2023-01-28 04:26:44,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1772 conditions, 741 events. 532/741 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2519 event pairs, 247 based on Foata normal form. 3/556 useless extension candidates. Maximal degree in co-relation 399. Up to 603 conditions per place. [2023-01-28 04:26:44,357 INFO L137 encePairwiseOnDemand]: 347/353 looper letters, 34 selfloop transitions, 5 changer transitions 3/44 dead transitions. [2023-01-28 04:26:44,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 199 flow [2023-01-28 04:26:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-28 04:26:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-01-28 04:26:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 788 transitions. [2023-01-28 04:26:44,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3720491029272899 [2023-01-28 04:26:44,360 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 788 transitions. [2023-01-28 04:26:44,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 788 transitions. [2023-01-28 04:26:44,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:26:44,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 788 transitions. [2023-01-28 04:26:44,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 131.33333333333334) internal successors, (788), 6 states have internal predecessors, (788), 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) [2023-01-28 04:26:44,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 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) [2023-01-28 04:26:44,365 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 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) [2023-01-28 04:26:44,365 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 83 flow. Second operand 6 states and 788 transitions. [2023-01-28 04:26:44,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 199 flow [2023-01-28 04:26:44,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 44 transitions, 195 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-01-28 04:26:44,367 INFO L231 Difference]: Finished difference. Result has 38 places, 31 transitions, 109 flow [2023-01-28 04:26:44,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2023-01-28 04:26:44,368 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places. [2023-01-28 04:26:44,368 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 109 flow [2023-01-28 04:26:44,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 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) [2023-01-28 04:26:44,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:26:44,369 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:26:44,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-28 04:26:44,369 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:26:44,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:26:44,369 INFO L85 PathProgramCache]: Analyzing trace with hash 963886311, now seen corresponding path program 1 times [2023-01-28 04:26:44,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:26:44,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764719734] [2023-01-28 04:26:44,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:26:44,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:26:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:26:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:26:44,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:26:44,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764719734] [2023-01-28 04:26:44,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764719734] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:26:44,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787131929] [2023-01-28 04:26:44,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:26:44,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:26:44,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:26:44,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:26:44,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-01-28 04:26:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:26:44,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjunts are in the unsatisfiable core [2023-01-28 04:26:44,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:26:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:26:44,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:26:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:26:44,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787131929] provided 1 perfect and 1 imperfect interpolant sequences [2023-01-28 04:26:44,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-01-28 04:26:44,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-01-28 04:26:44,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78546273] [2023-01-28 04:26:44,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 04:26:44,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-28 04:26:44,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:26:44,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-28 04:26:44,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-01-28 04:26:44,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 353 [2023-01-28 04:26:44,682 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 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) [2023-01-28 04:26:44,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:26:44,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 353 [2023-01-28 04:26:44,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:26:44,816 INFO L130 PetriNetUnfolder]: 508/732 cut-off events. [2023-01-28 04:26:44,816 INFO L131 PetriNetUnfolder]: For 179/215 co-relation queries the response was YES. [2023-01-28 04:26:44,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1756 conditions, 732 events. 508/732 cut-off events. For 179/215 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2634 event pairs, 249 based on Foata normal form. 36/620 useless extension candidates. Maximal degree in co-relation 1721. Up to 571 conditions per place. [2023-01-28 04:26:44,821 INFO L137 encePairwiseOnDemand]: 348/353 looper letters, 38 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-01-28 04:26:44,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 44 transitions, 233 flow [2023-01-28 04:26:44,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-28 04:26:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-01-28 04:26:44,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 680 transitions. [2023-01-28 04:26:44,823 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38526912181303113 [2023-01-28 04:26:44,823 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 680 transitions. [2023-01-28 04:26:44,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 680 transitions. [2023-01-28 04:26:44,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:26:44,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 680 transitions. [2023-01-28 04:26:44,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 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) [2023-01-28 04:26:44,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 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) [2023-01-28 04:26:44,827 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 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) [2023-01-28 04:26:44,827 INFO L175 Difference]: Start difference. First operand has 38 places, 31 transitions, 109 flow. Second operand 5 states and 680 transitions. [2023-01-28 04:26:44,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 44 transitions, 233 flow [2023-01-28 04:26:44,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 44 transitions, 227 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-01-28 04:26:44,834 INFO L231 Difference]: Finished difference. Result has 39 places, 32 transitions, 119 flow [2023-01-28 04:26:44,834 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=119, PETRI_PLACES=39, PETRI_TRANSITIONS=32} [2023-01-28 04:26:44,835 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2023-01-28 04:26:44,835 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 119 flow [2023-01-28 04:26:44,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 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) [2023-01-28 04:26:44,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:26:44,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:26:44,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-01-28 04:26:45,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:26:45,043 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:26:45,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:26:45,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1831077328, now seen corresponding path program 1 times [2023-01-28 04:26:45,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:26:45,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313764511] [2023-01-28 04:26:45,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:26:45,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:26:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:26:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:26:46,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:26:46,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313764511] [2023-01-28 04:26:46,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313764511] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:26:46,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200808715] [2023-01-28 04:26:46,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:26:46,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:26:46,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:26:46,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:26:46,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-28 04:26:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:26:46,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 81 conjunts are in the unsatisfiable core [2023-01-28 04:26:46,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:26:46,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-01-28 04:26:46,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-01-28 04:26:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 04:26:47,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 04:26:47,170 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-01-28 04:26:47,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 25 [2023-01-28 04:26:47,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 04:26:47,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 04:26:47,291 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-01-28 04:26:47,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 25 [2023-01-28 04:26:47,388 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 04:26:47,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 04:26:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:26:47,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:26:47,785 WARN L839 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_153 (Array Int Int)) (v_ArrVal_152 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (<= c_~N~0 ~M~0) (= (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_152) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_153)) (.cse1 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)))) c_~res1~0))) is different from false [2023-01-28 04:26:48,240 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:26:48,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 70 [2023-01-28 04:26:48,329 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:26:48,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 614390 treesize of output 516154 [2023-01-28 04:26:48,725 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:26:48,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2006 treesize of output 1822 [2023-01-28 04:26:48,757 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:26:48,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1814 treesize of output 1438 [2023-01-28 04:26:48,821 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:26:48,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1430 treesize of output 1262 [2023-01-28 04:26:57,085 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:26:58,364 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:26:59,079 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:26:59,164 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:26:59,423 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:26:59,670 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:26:59,810 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:26:59,898 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:26:59,942 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:26:59,992 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:00,204 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:00,579 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:00,770 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:01,124 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:01,910 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:02,111 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:02,323 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:02,418 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:02,532 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:02,936 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:02,985 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:03,083 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:03,266 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:03,314 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:03,428 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:03,464 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:03,510 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:03,598 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:03,769 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:04,518 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:04,601 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:04,649 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:04,696 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:04,703 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:05,159 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:05,185 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:05,252 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:05,302 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:07,159 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:07,274 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:07,300 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:07,629 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:07,642 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:07,815 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:07,848 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:08,478 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:08,826 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:09,282 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:09,490 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:09,505 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:09,629 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:10,355 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:10,374 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:10,487 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:10,688 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:10,703 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:10,868 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:11,196 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:11,474 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:11,565 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:12,469 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:13,270 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:13,963 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 04:27:15,434 WARN L718 sPolynomialRelations]: Constructing 16384(two to the power of 14 dual juncts. [2023-01-28 04:27:15,639 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:16,271 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 04:27:16,491 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:16,551 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:16,857 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:16,909 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:16,956 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:16,972 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:17,309 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:17,503 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:17,822 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:17,975 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:18,416 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:18,486 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:18,569 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:18,729 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:18,994 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:19,539 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:19,636 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:19,679 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:19,938 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:20,037 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:20,099 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:20,158 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:20,283 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:20,343 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:20,672 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:20,734 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:20,828 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:20,917 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:21,418 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:21,475 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:21,503 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:21,554 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:21,841 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:21,862 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:22,179 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:22,239 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:22,291 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:22,545 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:22,725 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:22,922 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:23,053 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:23,069 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:23,259 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:23,427 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:23,511 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 04:27:23,531 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:24,174 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:24,855 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:25,169 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:25,443 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:25,475 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:25,756 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:25,909 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:26,036 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:26,118 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:26,268 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:26,303 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:26,366 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:26,451 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:26,528 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:26,670 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:26,742 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:26,811 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:26,913 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:27,079 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:27,170 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:27,301 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:27,547 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:27,593 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:27,674 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:27,739 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:28,129 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:28,146 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:28,157 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:28,373 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:28,400 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:28,423 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:28,445 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:28,464 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:28,829 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:28,864 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:28,923 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:28,968 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:29,089 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:29,192 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:29,222 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:29,246 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:29,370 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:29,614 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:29,735 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:29,801 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:29,962 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:30,010 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:30,033 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:30,049 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:30,161 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:30,305 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:30,383 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:30,493 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:30,525 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:30,664 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:30,805 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:30,822 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:31,128 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:31,169 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:31,240 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:31,288 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:31,369 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:31,404 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:31,441 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:31,454 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:31,476 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:31,521 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:31,533 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:31,722 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:31,809 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:31,927 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:32,084 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:32,357 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:32,676 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:32,730 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:32,771 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:32,843 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:33,026 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:33,124 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:33,180 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:33,223 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:33,321 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:33,454 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:33,469 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:33,579 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:33,701 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:33,780 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:33,847 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:33,939 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:34,012 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:34,035 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:34,060 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:34,082 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:34,122 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:34,138 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:34,173 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:34,183 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:34,190 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:34,237 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:34,248 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:34,268 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:34,292 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:34,467 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:34,541 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:34,561 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:34,589 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:34,647 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:34,674 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:34,855 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:34,873 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:35,306 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:35,361 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:35,374 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:35,406 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:35,443 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:35,823 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:35,909 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:35,961 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:35,975 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:36,034 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:36,048 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:36,142 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:36,155 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:36,218 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:36,240 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:36,252 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:36,285 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:36,386 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:36,423 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:36,448 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:36,471 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:36,562 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:36,585 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:36,603 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:36,619 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:37,369 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:37,422 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:37,774 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:37,832 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:38,964 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:39,483 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:39,956 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:40,013 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:40,128 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:40,385 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:40,486 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:40,551 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:40,719 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:40,742 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:40,840 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:40,958 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:41,072 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:41,154 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:41,415 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:41,479 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:41,626 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:41,740 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:41,755 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:41,931 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:41,990 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:42,102 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:42,154 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:42,206 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:42,270 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:42,351 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:42,364 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:42,384 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:42,406 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:42,655 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:42,807 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:42,904 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:43,432 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:43,739 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:43,756 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:44,106 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:44,205 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:27:44,830 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 04:27:44,945 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:45,190 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:45,466 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:45,770 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:45,817 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:45,931 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:46,062 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:46,081 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:46,195 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:46,343 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:46,498 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:46,681 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:46,824 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:27:46,838 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:47,189 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:47,227 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:47,241 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:47,388 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:47,437 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:47,774 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:27:47,921 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:27:48,028 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:48,095 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:48,278 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:48,785 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:49,294 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:49,326 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:49,424 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:49,496 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:51,837 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:54,764 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:55,800 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:56,243 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:56,288 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:56,519 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:56,646 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:56,663 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:56,686 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:56,796 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:56,842 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:56,872 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:57,975 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:58,308 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:58,327 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:58,384 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:58,414 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:27:58,606 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:58,658 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:27:58,689 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:27:58,697 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:07,827 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:08,842 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:08,987 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:09,520 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:09,590 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:09,909 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:28:09,984 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:10,780 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:11,628 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:12,307 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 04:28:13,877 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:14,417 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:14,841 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:14,964 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:14,986 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:15,114 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:15,520 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:15,720 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:15,753 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:16,208 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:16,243 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:16,267 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:16,369 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:16,422 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:16,719 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:28:16,786 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:17,079 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:17,404 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:17,766 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:17,942 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:18,363 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:28:18,382 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:18,923 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:19,027 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:19,296 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:19,316 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:19,838 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:19,856 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:20,019 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:20,802 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:20,931 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:21,004 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:21,829 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:28:22,301 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:23,535 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:23,564 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:23,710 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:23,991 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:28:24,091 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:24,459 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:25,162 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 04:28:26,272 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:26,307 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:26,325 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:26,379 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:26,402 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:26,424 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:26,720 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:26,735 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:26,750 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:26,758 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:26,880 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:26,898 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:26,918 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:27,047 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:27,153 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:27,276 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:27,340 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:27,369 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:28,393 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:28,591 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:28,730 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:29,472 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:29,969 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:30,054 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:30,391 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:30,426 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:30,568 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:31,145 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:31,555 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 04:28:34,322 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:34,500 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:34,797 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:34,875 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:35,012 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:35,116 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:28:35,931 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:36,084 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:28:37,717 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:37,955 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:28:42,566 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:45,570 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:45,761 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:50,475 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:50,961 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:51,005 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:51,294 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:51,434 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:51,452 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:51,479 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:51,607 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:51,661 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:51,695 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:52,739 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:53,221 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:53,280 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:53,322 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:53,331 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:54,821 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:54,865 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:55,157 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:55,322 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:55,345 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:55,384 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:55,530 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:55,580 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:55,612 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:56,642 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:56,708 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:57,015 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:57,392 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:57,412 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:57,477 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:57,506 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:28:57,776 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:57,834 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:28:57,868 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:28:57,878 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:01,664 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:02,202 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:02,232 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:03,439 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:03,459 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:03,481 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:03,509 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:03,535 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:03,548 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:03,564 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:03,883 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:03,901 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:04,003 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:04,077 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:04,137 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:04,306 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:05,086 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:05,118 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:05,891 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:05,944 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:06,246 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:06,263 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:06,282 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:06,313 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:06,442 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:06,536 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:06,936 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:13,132 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:14,455 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:15,104 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:15,297 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:15,435 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:15,734 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:16,122 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:16,543 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:17,134 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:17,186 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:17,246 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:17,459 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:17,616 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:17,628 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:17,647 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:17,683 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:17,796 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:17,812 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:17,839 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:17,870 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:17,890 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:17,931 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:17,958 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:18,109 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:19,271 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:21,511 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 04:29:22,611 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:29:22,631 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:22,910 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:23,271 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-28 04:29:23,293 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:23,899 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:24,792 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:24,916 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:25,029 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:25,098 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:25,127 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:25,149 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:25,484 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:25,522 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:25,674 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:25,708 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:26,945 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:27,720 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:28,315 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:28,686 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:28,725 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:28,887 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:28,919 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:29,468 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:29,492 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:29,548 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:29,616 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:29,646 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:29,749 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:29,927 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:30,281 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:30,834 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:31,258 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-28 04:29:31,807 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-28 04:29:32,881 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:33,850 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:34,062 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:34,297 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:35,144 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:35,205 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:35,233 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-28 04:29:35,266 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-28 04:29:35,776 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:36,497 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:36,597 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:36,629 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:36,709 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:36,722 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:36,910 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:36,950 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-28 04:29:37,058 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:37,098 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:37,194 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-28 04:29:39,343 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:48,585 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:29:49,109 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-28 04:30:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:30:18,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200808715] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:30:18,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:30:18,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 13] total 35 [2023-01-28 04:30:18,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997888485] [2023-01-28 04:30:18,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:30:18,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-01-28 04:30:18,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:30:18,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-01-28 04:30:18,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1087, Unknown=39, NotChecked=68, Total=1332 [2023-01-28 04:30:18,178 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 353 [2023-01-28 04:30:18,181 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 119 flow. Second operand has 37 states, 37 states have (on average 83.70270270270271) internal successors, (3097), 37 states have internal predecessors, (3097), 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) [2023-01-28 04:30:18,181 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:30:18,181 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 353 [2023-01-28 04:30:18,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:30:21,700 INFO L130 PetriNetUnfolder]: 2209/3256 cut-off events. [2023-01-28 04:30:21,701 INFO L131 PetriNetUnfolder]: For 1486/1486 co-relation queries the response was YES. [2023-01-28 04:30:21,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8767 conditions, 3256 events. 2209/3256 cut-off events. For 1486/1486 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15116 event pairs, 48 based on Foata normal form. 2/2758 useless extension candidates. Maximal degree in co-relation 6027. Up to 1223 conditions per place. [2023-01-28 04:30:21,717 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 238 selfloop transitions, 101 changer transitions 9/348 dead transitions. [2023-01-28 04:30:21,717 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 348 transitions, 1765 flow [2023-01-28 04:30:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-01-28 04:30:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-01-28 04:30:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 3296 transitions. [2023-01-28 04:30:21,727 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25936418004406675 [2023-01-28 04:30:21,727 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 3296 transitions. [2023-01-28 04:30:21,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 3296 transitions. [2023-01-28 04:30:21,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:30:21,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 3296 transitions. [2023-01-28 04:30:21,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 91.55555555555556) internal successors, (3296), 36 states have internal predecessors, (3296), 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) [2023-01-28 04:30:21,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 353.0) internal successors, (13061), 37 states have internal predecessors, (13061), 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) [2023-01-28 04:30:21,745 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 353.0) internal successors, (13061), 37 states have internal predecessors, (13061), 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) [2023-01-28 04:30:21,745 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 119 flow. Second operand 36 states and 3296 transitions. [2023-01-28 04:30:21,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 348 transitions, 1765 flow [2023-01-28 04:30:21,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 348 transitions, 1737 flow, removed 7 selfloop flow, removed 2 redundant places. [2023-01-28 04:30:21,753 INFO L231 Difference]: Finished difference. Result has 89 places, 131 transitions, 856 flow [2023-01-28 04:30:21,753 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=856, PETRI_PLACES=89, PETRI_TRANSITIONS=131} [2023-01-28 04:30:21,754 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 56 predicate places. [2023-01-28 04:30:21,754 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 131 transitions, 856 flow [2023-01-28 04:30:21,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 83.70270270270271) internal successors, (3097), 37 states have internal predecessors, (3097), 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) [2023-01-28 04:30:21,755 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:30:21,755 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:30:21,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-01-28 04:30:21,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-01-28 04:30:21,960 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:30:21,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:30:21,961 INFO L85 PathProgramCache]: Analyzing trace with hash 550186672, now seen corresponding path program 2 times [2023-01-28 04:30:21,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:30:21,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856554073] [2023-01-28 04:30:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:30:21,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:30:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:30:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:30:23,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:30:23,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856554073] [2023-01-28 04:30:23,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856554073] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:30:23,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714546454] [2023-01-28 04:30:23,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 04:30:23,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:23,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:30:23,171 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:30:23,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-28 04:30:23,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 04:30:23,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:30:23,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 58 conjunts are in the unsatisfiable core [2023-01-28 04:30:23,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:30:23,553 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 04:30:23,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 04:30:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:30:23,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:30:23,751 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:30:23,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 04:30:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:30:23,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714546454] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:30:23,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:30:23,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 8] total 30 [2023-01-28 04:30:23,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229154984] [2023-01-28 04:30:23,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:30:23,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-28 04:30:23,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:30:23,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-28 04:30:23,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=856, Unknown=0, NotChecked=0, Total=992 [2023-01-28 04:30:23,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 353 [2023-01-28 04:30:23,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 131 transitions, 856 flow. Second operand has 32 states, 32 states have (on average 84.09375) internal successors, (2691), 32 states have internal predecessors, (2691), 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) [2023-01-28 04:30:23,945 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:30:23,945 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 353 [2023-01-28 04:30:23,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:30:25,793 INFO L130 PetriNetUnfolder]: 2579/3907 cut-off events. [2023-01-28 04:30:25,793 INFO L131 PetriNetUnfolder]: For 9109/9109 co-relation queries the response was YES. [2023-01-28 04:30:25,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15132 conditions, 3907 events. 2579/3907 cut-off events. For 9109/9109 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 19488 event pairs, 244 based on Foata normal form. 3/3910 useless extension candidates. Maximal degree in co-relation 15030. Up to 2645 conditions per place. [2023-01-28 04:30:25,812 INFO L137 encePairwiseOnDemand]: 337/353 looper letters, 172 selfloop transitions, 142 changer transitions 19/333 dead transitions. [2023-01-28 04:30:25,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 333 transitions, 2624 flow [2023-01-28 04:30:25,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-01-28 04:30:25,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2023-01-28 04:30:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2058 transitions. [2023-01-28 04:30:25,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2534794925483434 [2023-01-28 04:30:25,817 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2058 transitions. [2023-01-28 04:30:25,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2058 transitions. [2023-01-28 04:30:25,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:30:25,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2058 transitions. [2023-01-28 04:30:25,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 89.47826086956522) internal successors, (2058), 23 states have internal predecessors, (2058), 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) [2023-01-28 04:30:25,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 353.0) internal successors, (8472), 24 states have internal predecessors, (8472), 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) [2023-01-28 04:30:25,827 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 353.0) internal successors, (8472), 24 states have internal predecessors, (8472), 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) [2023-01-28 04:30:25,827 INFO L175 Difference]: Start difference. First operand has 89 places, 131 transitions, 856 flow. Second operand 23 states and 2058 transitions. [2023-01-28 04:30:25,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 333 transitions, 2624 flow [2023-01-28 04:30:25,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 333 transitions, 2592 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-01-28 04:30:25,864 INFO L231 Difference]: Finished difference. Result has 120 places, 223 transitions, 2088 flow [2023-01-28 04:30:25,864 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2088, PETRI_PLACES=120, PETRI_TRANSITIONS=223} [2023-01-28 04:30:25,865 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 87 predicate places. [2023-01-28 04:30:25,865 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 223 transitions, 2088 flow [2023-01-28 04:30:25,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 84.09375) internal successors, (2691), 32 states have internal predecessors, (2691), 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) [2023-01-28 04:30:25,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:30:25,866 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:30:25,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-01-28 04:30:26,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:26,071 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:30:26,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:30:26,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1216314062, now seen corresponding path program 3 times [2023-01-28 04:30:26,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:30:26,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661687042] [2023-01-28 04:30:26,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:30:26,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:30:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:30:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:30:26,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:30:26,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661687042] [2023-01-28 04:30:26,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661687042] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:30:26,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242007260] [2023-01-28 04:30:26,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 04:30:26,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:26,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:30:26,695 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:30:26,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-28 04:30:26,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-01-28 04:30:26,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:30:26,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-28 04:30:26,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:30:27,123 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 04:30:27,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 04:30:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:30:27,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:30:27,282 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:30:27,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 04:30:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:30:27,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242007260] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:30:27,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:30:27,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2023-01-28 04:30:27,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275719304] [2023-01-28 04:30:27,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:30:27,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-01-28 04:30:27,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:30:27,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-01-28 04:30:27,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2023-01-28 04:30:27,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 353 [2023-01-28 04:30:27,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 223 transitions, 2088 flow. Second operand has 23 states, 23 states have (on average 105.21739130434783) internal successors, (2420), 23 states have internal predecessors, (2420), 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) [2023-01-28 04:30:27,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:30:27,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 353 [2023-01-28 04:30:27,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:30:29,334 INFO L130 PetriNetUnfolder]: 3615/5472 cut-off events. [2023-01-28 04:30:29,334 INFO L131 PetriNetUnfolder]: For 22962/23122 co-relation queries the response was YES. [2023-01-28 04:30:29,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25460 conditions, 5472 events. 3615/5472 cut-off events. For 22962/23122 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 30023 event pairs, 274 based on Foata normal form. 76/5496 useless extension candidates. Maximal degree in co-relation 25397. Up to 3022 conditions per place. [2023-01-28 04:30:29,376 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 226 selfloop transitions, 290 changer transitions 6/528 dead transitions. [2023-01-28 04:30:29,376 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 528 transitions, 5269 flow [2023-01-28 04:30:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-01-28 04:30:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-01-28 04:30:29,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3772 transitions. [2023-01-28 04:30:29,384 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3142809531744709 [2023-01-28 04:30:29,384 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3772 transitions. [2023-01-28 04:30:29,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3772 transitions. [2023-01-28 04:30:29,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:30:29,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3772 transitions. [2023-01-28 04:30:29,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 110.94117647058823) internal successors, (3772), 34 states have internal predecessors, (3772), 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) [2023-01-28 04:30:29,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 353.0) internal successors, (12355), 35 states have internal predecessors, (12355), 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) [2023-01-28 04:30:29,402 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 353.0) internal successors, (12355), 35 states have internal predecessors, (12355), 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) [2023-01-28 04:30:29,402 INFO L175 Difference]: Start difference. First operand has 120 places, 223 transitions, 2088 flow. Second operand 34 states and 3772 transitions. [2023-01-28 04:30:29,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 528 transitions, 5269 flow [2023-01-28 04:30:29,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 528 transitions, 5077 flow, removed 89 selfloop flow, removed 5 redundant places. [2023-01-28 04:30:29,538 INFO L231 Difference]: Finished difference. Result has 153 places, 371 transitions, 4141 flow [2023-01-28 04:30:29,539 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=2027, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=4141, PETRI_PLACES=153, PETRI_TRANSITIONS=371} [2023-01-28 04:30:29,539 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 120 predicate places. [2023-01-28 04:30:29,539 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 371 transitions, 4141 flow [2023-01-28 04:30:29,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 105.21739130434783) internal successors, (2420), 23 states have internal predecessors, (2420), 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) [2023-01-28 04:30:29,540 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:30:29,540 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:30:29,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-01-28 04:30:29,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:29,745 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:30:29,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:30:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1145552732, now seen corresponding path program 4 times [2023-01-28 04:30:29,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:30:29,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871136567] [2023-01-28 04:30:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:30:29,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:30:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:30:30,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:30:30,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:30:30,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871136567] [2023-01-28 04:30:30,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871136567] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:30:30,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470281085] [2023-01-28 04:30:30,648 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 04:30:30,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:30,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:30:30,649 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:30:30,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-01-28 04:30:30,737 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 04:30:30,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:30:30,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 60 conjunts are in the unsatisfiable core [2023-01-28 04:30:30,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:30:31,012 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 04:30:31,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 04:30:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:30:31,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:30:31,196 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:30:31,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 04:30:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:30:31,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470281085] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:30:31,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:30:31,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 8] total 29 [2023-01-28 04:30:31,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857360529] [2023-01-28 04:30:31,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:30:31,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-01-28 04:30:31,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:30:31,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-01-28 04:30:31,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=826, Unknown=0, NotChecked=0, Total=930 [2023-01-28 04:30:31,431 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 04:30:31,433 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 371 transitions, 4141 flow. Second operand has 31 states, 31 states have (on average 87.16129032258064) internal successors, (2702), 31 states have internal predecessors, (2702), 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) [2023-01-28 04:30:31,433 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:30:31,433 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 04:30:31,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:30:37,619 INFO L130 PetriNetUnfolder]: 6340/9484 cut-off events. [2023-01-28 04:30:37,619 INFO L131 PetriNetUnfolder]: For 50871/50871 co-relation queries the response was YES. [2023-01-28 04:30:37,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49984 conditions, 9484 events. 6340/9484 cut-off events. For 50871/50871 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 54542 event pairs, 531 based on Foata normal form. 3/9487 useless extension candidates. Maximal degree in co-relation 49823. Up to 5166 conditions per place. [2023-01-28 04:30:37,686 INFO L137 encePairwiseOnDemand]: 335/353 looper letters, 465 selfloop transitions, 718 changer transitions 10/1193 dead transitions. [2023-01-28 04:30:37,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 1193 transitions, 13522 flow [2023-01-28 04:30:37,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-28 04:30:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2023-01-28 04:30:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 6923 transitions. [2023-01-28 04:30:37,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.26149197355996223 [2023-01-28 04:30:37,694 INFO L72 ComplementDD]: Start complementDD. Operand 75 states and 6923 transitions. [2023-01-28 04:30:37,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 6923 transitions. [2023-01-28 04:30:37,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:30:37,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 75 states and 6923 transitions. [2023-01-28 04:30:37,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 76 states, 75 states have (on average 92.30666666666667) internal successors, (6923), 75 states have internal predecessors, (6923), 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) [2023-01-28 04:30:37,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 76 states, 76 states have (on average 353.0) internal successors, (26828), 76 states have internal predecessors, (26828), 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) [2023-01-28 04:30:37,723 INFO L81 ComplementDD]: Finished complementDD. Result has 76 states, 76 states have (on average 353.0) internal successors, (26828), 76 states have internal predecessors, (26828), 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) [2023-01-28 04:30:37,723 INFO L175 Difference]: Start difference. First operand has 153 places, 371 transitions, 4141 flow. Second operand 75 states and 6923 transitions. [2023-01-28 04:30:37,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 1193 transitions, 13522 flow [2023-01-28 04:30:38,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 1193 transitions, 13069 flow, removed 105 selfloop flow, removed 11 redundant places. [2023-01-28 04:30:38,132 INFO L231 Difference]: Finished difference. Result has 236 places, 906 transitions, 11904 flow [2023-01-28 04:30:38,132 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=3972, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=75, PETRI_FLOW=11904, PETRI_PLACES=236, PETRI_TRANSITIONS=906} [2023-01-28 04:30:38,133 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 203 predicate places. [2023-01-28 04:30:38,133 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 906 transitions, 11904 flow [2023-01-28 04:30:38,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 87.16129032258064) internal successors, (2702), 31 states have internal predecessors, (2702), 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) [2023-01-28 04:30:38,134 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:30:38,134 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:30:38,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-01-28 04:30:38,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:38,337 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:30:38,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:30:38,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1850509082, now seen corresponding path program 5 times [2023-01-28 04:30:38,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:30:38,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977800195] [2023-01-28 04:30:38,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:30:38,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:30:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:30:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:30:39,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:30:39,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977800195] [2023-01-28 04:30:39,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977800195] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:30:39,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447572633] [2023-01-28 04:30:39,266 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 04:30:39,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:39,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:30:39,267 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:30:39,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-01-28 04:30:39,363 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-01-28 04:30:39,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:30:39,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 59 conjunts are in the unsatisfiable core [2023-01-28 04:30:39,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:30:39,599 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 04:30:39,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 04:30:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:30:39,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:30:39,859 INFO L321 Elim1Store]: treesize reduction 57, result has 26.0 percent of original size [2023-01-28 04:30:39,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 29 [2023-01-28 04:30:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:30:39,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447572633] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:30:39,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:30:39,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 6] total 27 [2023-01-28 04:30:39,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331109362] [2023-01-28 04:30:39,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:30:39,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-01-28 04:30:39,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:30:39,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-01-28 04:30:39,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2023-01-28 04:30:39,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 353 [2023-01-28 04:30:39,898 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 906 transitions, 11904 flow. Second operand has 29 states, 29 states have (on average 84.24137931034483) internal successors, (2443), 29 states have internal predecessors, (2443), 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) [2023-01-28 04:30:39,898 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:30:39,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 353 [2023-01-28 04:30:39,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:30:44,517 INFO L130 PetriNetUnfolder]: 8536/13011 cut-off events. [2023-01-28 04:30:44,517 INFO L131 PetriNetUnfolder]: For 129646/129646 co-relation queries the response was YES. [2023-01-28 04:30:44,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82969 conditions, 13011 events. 8536/13011 cut-off events. For 129646/129646 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 81919 event pairs, 296 based on Foata normal form. 4/13015 useless extension candidates. Maximal degree in co-relation 82689. Up to 4915 conditions per place. [2023-01-28 04:30:44,606 INFO L137 encePairwiseOnDemand]: 334/353 looper letters, 575 selfloop transitions, 1056 changer transitions 28/1659 dead transitions. [2023-01-28 04:30:44,607 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 1659 transitions, 23226 flow [2023-01-28 04:30:44,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-01-28 04:30:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-01-28 04:30:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 4210 transitions. [2023-01-28 04:30:44,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25375203423542886 [2023-01-28 04:30:44,611 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 4210 transitions. [2023-01-28 04:30:44,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 4210 transitions. [2023-01-28 04:30:44,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:30:44,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 4210 transitions. [2023-01-28 04:30:44,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 89.57446808510639) internal successors, (4210), 47 states have internal predecessors, (4210), 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) [2023-01-28 04:30:44,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 353.0) internal successors, (16944), 48 states have internal predecessors, (16944), 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) [2023-01-28 04:30:44,625 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 353.0) internal successors, (16944), 48 states have internal predecessors, (16944), 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) [2023-01-28 04:30:44,625 INFO L175 Difference]: Start difference. First operand has 236 places, 906 transitions, 11904 flow. Second operand 47 states and 4210 transitions. [2023-01-28 04:30:44,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 1659 transitions, 23226 flow [2023-01-28 04:30:45,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 1659 transitions, 22531 flow, removed 333 selfloop flow, removed 5 redundant places. [2023-01-28 04:30:45,711 INFO L231 Difference]: Finished difference. Result has 291 places, 1369 transitions, 20857 flow [2023-01-28 04:30:45,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=11492, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=906, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=662, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=20857, PETRI_PLACES=291, PETRI_TRANSITIONS=1369} [2023-01-28 04:30:45,713 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 258 predicate places. [2023-01-28 04:30:45,713 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 1369 transitions, 20857 flow [2023-01-28 04:30:45,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 84.24137931034483) internal successors, (2443), 29 states have internal predecessors, (2443), 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) [2023-01-28 04:30:45,713 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:30:45,713 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:30:45,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-01-28 04:30:45,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:45,917 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:30:45,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:30:45,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1223354686, now seen corresponding path program 6 times [2023-01-28 04:30:45,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:30:45,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934142136] [2023-01-28 04:30:45,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:30:45,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:30:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:30:46,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:30:46,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:30:46,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934142136] [2023-01-28 04:30:46,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934142136] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:30:46,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925247721] [2023-01-28 04:30:46,843 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 04:30:46,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:46,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:30:46,845 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:30:46,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-01-28 04:30:46,941 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 04:30:46,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:30:46,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-28 04:30:46,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:30:47,297 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:30:47,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-01-28 04:30:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:30:47,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:30:47,418 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:30:47,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 04:30:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:30:47,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925247721] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:30:47,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:30:47,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2023-01-28 04:30:47,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546783391] [2023-01-28 04:30:47,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:30:47,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-28 04:30:47,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:30:47,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-28 04:30:47,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=875, Unknown=0, NotChecked=0, Total=992 [2023-01-28 04:30:47,704 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 04:30:47,705 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 1369 transitions, 20857 flow. Second operand has 32 states, 32 states have (on average 86.90625) internal successors, (2781), 32 states have internal predecessors, (2781), 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) [2023-01-28 04:30:47,705 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:30:47,705 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 04:30:47,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:30:53,188 INFO L130 PetriNetUnfolder]: 9040/13746 cut-off events. [2023-01-28 04:30:53,189 INFO L131 PetriNetUnfolder]: For 172641/172641 co-relation queries the response was YES. [2023-01-28 04:30:53,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97151 conditions, 13746 events. 9040/13746 cut-off events. For 172641/172641 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 85922 event pairs, 958 based on Foata normal form. 3/13749 useless extension candidates. Maximal degree in co-relation 96976. Up to 8548 conditions per place. [2023-01-28 04:30:53,306 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 721 selfloop transitions, 1039 changer transitions 9/1769 dead transitions. [2023-01-28 04:30:53,306 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 1769 transitions, 28978 flow [2023-01-28 04:30:53,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-01-28 04:30:53,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-01-28 04:30:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 3586 transitions. [2023-01-28 04:30:53,310 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.260477954528946 [2023-01-28 04:30:53,310 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 3586 transitions. [2023-01-28 04:30:53,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 3586 transitions. [2023-01-28 04:30:53,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:30:53,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 3586 transitions. [2023-01-28 04:30:53,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 91.94871794871794) internal successors, (3586), 39 states have internal predecessors, (3586), 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) [2023-01-28 04:30:53,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 353.0) internal successors, (14120), 40 states have internal predecessors, (14120), 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) [2023-01-28 04:30:53,322 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 353.0) internal successors, (14120), 40 states have internal predecessors, (14120), 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) [2023-01-28 04:30:53,322 INFO L175 Difference]: Start difference. First operand has 291 places, 1369 transitions, 20857 flow. Second operand 39 states and 3586 transitions. [2023-01-28 04:30:53,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 1769 transitions, 28978 flow [2023-01-28 04:30:55,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 1769 transitions, 27729 flow, removed 453 selfloop flow, removed 9 redundant places. [2023-01-28 04:30:55,618 INFO L231 Difference]: Finished difference. Result has 327 places, 1565 transitions, 26198 flow [2023-01-28 04:30:55,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=19863, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=841, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=26198, PETRI_PLACES=327, PETRI_TRANSITIONS=1565} [2023-01-28 04:30:55,619 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 294 predicate places. [2023-01-28 04:30:55,620 INFO L495 AbstractCegarLoop]: Abstraction has has 327 places, 1565 transitions, 26198 flow [2023-01-28 04:30:55,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 86.90625) internal successors, (2781), 32 states have internal predecessors, (2781), 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) [2023-01-28 04:30:55,620 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:30:55,620 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:30:55,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-01-28 04:30:55,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:55,827 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:30:55,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:30:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1789474852, now seen corresponding path program 7 times [2023-01-28 04:30:55,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:30:55,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566561313] [2023-01-28 04:30:55,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:30:55,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:30:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:30:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:30:56,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:30:56,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566561313] [2023-01-28 04:30:56,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566561313] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:30:56,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318802401] [2023-01-28 04:30:56,343 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-28 04:30:56,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:30:56,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:30:56,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:30:56,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-01-28 04:30:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:30:56,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 63 conjunts are in the unsatisfiable core [2023-01-28 04:30:56,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:30:56,664 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-28 04:30:56,677 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2023-01-28 04:30:56,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 25 [2023-01-28 04:30:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:30:56,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:30:56,748 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:30:56,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 86 [2023-01-28 04:30:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:30:56,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318802401] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:30:56,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:30:56,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 25 [2023-01-28 04:30:56,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900192124] [2023-01-28 04:30:56,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:30:56,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-01-28 04:30:56,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:30:56,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-01-28 04:30:56,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2023-01-28 04:30:56,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 353 [2023-01-28 04:30:56,950 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 1565 transitions, 26198 flow. Second operand has 27 states, 27 states have (on average 101.11111111111111) internal successors, (2730), 27 states have internal predecessors, (2730), 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) [2023-01-28 04:30:56,950 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:30:56,950 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 353 [2023-01-28 04:30:56,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:31:02,313 INFO L130 PetriNetUnfolder]: 10804/16503 cut-off events. [2023-01-28 04:31:02,313 INFO L131 PetriNetUnfolder]: For 215285/215409 co-relation queries the response was YES. [2023-01-28 04:31:02,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120621 conditions, 16503 events. 10804/16503 cut-off events. For 215285/215409 co-relation queries the response was YES. Maximal size of possible extension queue 867. Compared 108261 event pairs, 1462 based on Foata normal form. 80/16550 useless extension candidates. Maximal degree in co-relation 120224. Up to 9439 conditions per place. [2023-01-28 04:31:02,457 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 993 selfloop transitions, 1210 changer transitions 5/2235 dead transitions. [2023-01-28 04:31:02,457 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 2235 transitions, 39982 flow [2023-01-28 04:31:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-01-28 04:31:02,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-01-28 04:31:02,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3644 transitions. [2023-01-28 04:31:02,460 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3036160639893351 [2023-01-28 04:31:02,460 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3644 transitions. [2023-01-28 04:31:02,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3644 transitions. [2023-01-28 04:31:02,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:31:02,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3644 transitions. [2023-01-28 04:31:02,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 107.17647058823529) internal successors, (3644), 34 states have internal predecessors, (3644), 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) [2023-01-28 04:31:02,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 353.0) internal successors, (12355), 35 states have internal predecessors, (12355), 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) [2023-01-28 04:31:02,471 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 353.0) internal successors, (12355), 35 states have internal predecessors, (12355), 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) [2023-01-28 04:31:02,471 INFO L175 Difference]: Start difference. First operand has 327 places, 1565 transitions, 26198 flow. Second operand 34 states and 3644 transitions. [2023-01-28 04:31:02,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 2235 transitions, 39982 flow [2023-01-28 04:31:05,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 2235 transitions, 39299 flow, removed 89 selfloop flow, removed 15 redundant places. [2023-01-28 04:31:05,931 INFO L231 Difference]: Finished difference. Result has 358 places, 1960 transitions, 37270 flow [2023-01-28 04:31:05,932 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=25668, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=819, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=37270, PETRI_PLACES=358, PETRI_TRANSITIONS=1960} [2023-01-28 04:31:05,933 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 325 predicate places. [2023-01-28 04:31:05,933 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 1960 transitions, 37270 flow [2023-01-28 04:31:05,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 101.11111111111111) internal successors, (2730), 27 states have internal predecessors, (2730), 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) [2023-01-28 04:31:05,933 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:31:05,933 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:31:05,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-01-28 04:31:06,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-01-28 04:31:06,138 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:31:06,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:31:06,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1603318388, now seen corresponding path program 8 times [2023-01-28 04:31:06,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:31:06,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096988789] [2023-01-28 04:31:06,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:31:06,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:31:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:31:06,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:31:06,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:31:06,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096988789] [2023-01-28 04:31:06,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096988789] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:31:06,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391223444] [2023-01-28 04:31:06,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 04:31:06,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:31:06,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:31:06,943 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:31:06,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-01-28 04:31:07,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 04:31:07,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:31:07,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 62 conjunts are in the unsatisfiable core [2023-01-28 04:31:07,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:31:07,458 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 04:31:07,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 04:31:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:31:07,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:31:07,613 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:31:07,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 04:31:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:31:07,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391223444] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:31:07,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:31:07,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 10] total 33 [2023-01-28 04:31:07,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964677067] [2023-01-28 04:31:07,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:31:07,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-01-28 04:31:07,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:31:07,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-01-28 04:31:07,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2023-01-28 04:31:07,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 04:31:07,899 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 1960 transitions, 37270 flow. Second operand has 35 states, 35 states have (on average 86.8) internal successors, (3038), 35 states have internal predecessors, (3038), 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) [2023-01-28 04:31:07,899 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:31:07,899 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 04:31:07,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:31:20,150 INFO L130 PetriNetUnfolder]: 14020/21192 cut-off events. [2023-01-28 04:31:20,150 INFO L131 PetriNetUnfolder]: For 329285/329285 co-relation queries the response was YES. [2023-01-28 04:31:20,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165740 conditions, 21192 events. 14020/21192 cut-off events. For 329285/329285 co-relation queries the response was YES. Maximal size of possible extension queue 1065. Compared 140446 event pairs, 979 based on Foata normal form. 2/21194 useless extension candidates. Maximal degree in co-relation 165290. Up to 11281 conditions per place. [2023-01-28 04:31:20,345 INFO L137 encePairwiseOnDemand]: 336/353 looper letters, 719 selfloop transitions, 2275 changer transitions 6/3000 dead transitions. [2023-01-28 04:31:20,345 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 3000 transitions, 58069 flow [2023-01-28 04:31:20,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-01-28 04:31:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2023-01-28 04:31:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 8606 transitions. [2023-01-28 04:31:20,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25935748297269606 [2023-01-28 04:31:20,353 INFO L72 ComplementDD]: Start complementDD. Operand 94 states and 8606 transitions. [2023-01-28 04:31:20,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 8606 transitions. [2023-01-28 04:31:20,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:31:20,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 94 states and 8606 transitions. [2023-01-28 04:31:20,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 95 states, 94 states have (on average 91.55319148936171) internal successors, (8606), 94 states have internal predecessors, (8606), 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) [2023-01-28 04:31:20,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 95 states, 95 states have (on average 353.0) internal successors, (33535), 95 states have internal predecessors, (33535), 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) [2023-01-28 04:31:20,382 INFO L81 ComplementDD]: Finished complementDD. Result has 95 states, 95 states have (on average 353.0) internal successors, (33535), 95 states have internal predecessors, (33535), 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) [2023-01-28 04:31:20,383 INFO L175 Difference]: Start difference. First operand has 358 places, 1960 transitions, 37270 flow. Second operand 94 states and 8606 transitions. [2023-01-28 04:31:20,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 3000 transitions, 58069 flow [2023-01-28 04:31:27,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 3000 transitions, 57792 flow, removed 20 selfloop flow, removed 9 redundant places. [2023-01-28 04:31:27,109 INFO L231 Difference]: Finished difference. Result has 461 places, 2713 transitions, 57126 flow [2023-01-28 04:31:27,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=37045, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1579, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=94, PETRI_FLOW=57126, PETRI_PLACES=461, PETRI_TRANSITIONS=2713} [2023-01-28 04:31:27,111 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 428 predicate places. [2023-01-28 04:31:27,111 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 2713 transitions, 57126 flow [2023-01-28 04:31:27,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 86.8) internal successors, (3038), 35 states have internal predecessors, (3038), 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) [2023-01-28 04:31:27,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:31:27,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:31:27,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-01-28 04:31:27,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:31:27,316 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:31:27,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:31:27,316 INFO L85 PathProgramCache]: Analyzing trace with hash 228834432, now seen corresponding path program 9 times [2023-01-28 04:31:27,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:31:27,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392734034] [2023-01-28 04:31:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:31:27,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:31:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:31:27,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:31:27,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:31:27,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392734034] [2023-01-28 04:31:27,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392734034] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:31:27,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141974682] [2023-01-28 04:31:27,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 04:31:27,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:31:27,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:31:27,988 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:31:27,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-01-28 04:31:28,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-28 04:31:28,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:31:28,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 57 conjunts are in the unsatisfiable core [2023-01-28 04:31:28,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:31:28,323 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 04:31:28,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 04:31:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:31:28,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:31:28,482 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:31:28,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 04:31:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:31:28,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141974682] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:31:28,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:31:28,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 8] total 30 [2023-01-28 04:31:28,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676834458] [2023-01-28 04:31:28,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:31:28,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-28 04:31:28,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:31:28,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-28 04:31:28,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=859, Unknown=0, NotChecked=0, Total=992 [2023-01-28 04:31:28,690 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 353 [2023-01-28 04:31:28,691 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 2713 transitions, 57126 flow. Second operand has 32 states, 32 states have (on average 84.9375) internal successors, (2718), 32 states have internal predecessors, (2718), 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) [2023-01-28 04:31:28,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:31:28,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 353 [2023-01-28 04:31:28,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:31:37,864 INFO L130 PetriNetUnfolder]: 14135/21419 cut-off events. [2023-01-28 04:31:37,864 INFO L131 PetriNetUnfolder]: For 403431/403431 co-relation queries the response was YES. [2023-01-28 04:31:38,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183354 conditions, 21419 events. 14135/21419 cut-off events. For 403431/403431 co-relation queries the response was YES. Maximal size of possible extension queue 1084. Compared 142480 event pairs, 1882 based on Foata normal form. 2/21421 useless extension candidates. Maximal degree in co-relation 182872. Up to 16673 conditions per place. [2023-01-28 04:31:38,095 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1612 selfloop transitions, 1171 changer transitions 13/2796 dead transitions. [2023-01-28 04:31:38,095 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 2796 transitions, 63524 flow [2023-01-28 04:31:38,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-28 04:31:38,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-28 04:31:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1456 transitions. [2023-01-28 04:31:38,097 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2577903682719547 [2023-01-28 04:31:38,097 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1456 transitions. [2023-01-28 04:31:38,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1456 transitions. [2023-01-28 04:31:38,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:31:38,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1456 transitions. [2023-01-28 04:31:38,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 91.0) internal successors, (1456), 16 states have internal predecessors, (1456), 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) [2023-01-28 04:31:38,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 04:31:38,102 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 04:31:38,102 INFO L175 Difference]: Start difference. First operand has 461 places, 2713 transitions, 57126 flow. Second operand 16 states and 1456 transitions. [2023-01-28 04:31:38,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 2796 transitions, 63524 flow [2023-01-28 04:31:47,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 2796 transitions, 62301 flow, removed 576 selfloop flow, removed 10 redundant places. [2023-01-28 04:31:47,586 INFO L231 Difference]: Finished difference. Result has 472 places, 2734 transitions, 60370 flow [2023-01-28 04:31:47,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=55903, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=60370, PETRI_PLACES=472, PETRI_TRANSITIONS=2734} [2023-01-28 04:31:47,589 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 439 predicate places. [2023-01-28 04:31:47,589 INFO L495 AbstractCegarLoop]: Abstraction has has 472 places, 2734 transitions, 60370 flow [2023-01-28 04:31:47,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 84.9375) internal successors, (2718), 32 states have internal predecessors, (2718), 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) [2023-01-28 04:31:47,589 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:31:47,589 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:31:47,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-01-28 04:31:47,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-01-28 04:31:47,796 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:31:47,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:31:47,796 INFO L85 PathProgramCache]: Analyzing trace with hash -475621398, now seen corresponding path program 10 times [2023-01-28 04:31:47,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:31:47,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607385452] [2023-01-28 04:31:47,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:31:47,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:31:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:31:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:31:48,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:31:48,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607385452] [2023-01-28 04:31:48,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607385452] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:31:48,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677434979] [2023-01-28 04:31:48,605 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 04:31:48,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:31:48,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:31:48,606 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:31:48,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-01-28 04:31:48,700 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 04:31:48,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:31:48,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 57 conjunts are in the unsatisfiable core [2023-01-28 04:31:48,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:31:49,027 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-28 04:31:49,042 INFO L321 Elim1Store]: treesize reduction 47, result has 28.8 percent of original size [2023-01-28 04:31:49,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 29 [2023-01-28 04:31:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:31:49,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:31:49,173 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:31:49,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 04:31:49,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:31:49,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677434979] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:31:49,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:31:49,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 10] total 35 [2023-01-28 04:31:49,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407606470] [2023-01-28 04:31:49,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:31:49,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-01-28 04:31:49,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:31:49,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-01-28 04:31:49,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1152, Unknown=0, NotChecked=0, Total=1332 [2023-01-28 04:31:49,454 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 04:31:49,455 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 2734 transitions, 60370 flow. Second operand has 37 states, 37 states have (on average 86.72972972972973) internal successors, (3209), 37 states have internal predecessors, (3209), 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) [2023-01-28 04:31:49,455 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:31:49,456 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 04:31:49,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:31:59,662 INFO L130 PetriNetUnfolder]: 14151/21465 cut-off events. [2023-01-28 04:31:59,662 INFO L131 PetriNetUnfolder]: For 472287/472287 co-relation queries the response was YES. [2023-01-28 04:31:59,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189457 conditions, 21465 events. 14151/21465 cut-off events. For 472287/472287 co-relation queries the response was YES. Maximal size of possible extension queue 1089. Compared 143047 event pairs, 1952 based on Foata normal form. 2/21467 useless extension candidates. Maximal degree in co-relation 188995. Up to 16911 conditions per place. [2023-01-28 04:31:59,907 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 1529 selfloop transitions, 1265 changer transitions 6/2800 dead transitions. [2023-01-28 04:31:59,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 2800 transitions, 66594 flow [2023-01-28 04:31:59,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-28 04:31:59,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-01-28 04:31:59,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1822 transitions. [2023-01-28 04:31:59,909 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2580736543909348 [2023-01-28 04:31:59,909 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1822 transitions. [2023-01-28 04:31:59,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1822 transitions. [2023-01-28 04:31:59,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:31:59,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1822 transitions. [2023-01-28 04:31:59,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 91.1) internal successors, (1822), 20 states have internal predecessors, (1822), 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) [2023-01-28 04:31:59,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 353.0) internal successors, (7413), 21 states have internal predecessors, (7413), 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) [2023-01-28 04:31:59,915 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 353.0) internal successors, (7413), 21 states have internal predecessors, (7413), 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) [2023-01-28 04:31:59,915 INFO L175 Difference]: Start difference. First operand has 472 places, 2734 transitions, 60370 flow. Second operand 20 states and 1822 transitions. [2023-01-28 04:31:59,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 2800 transitions, 66594 flow [2023-01-28 04:32:09,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 2800 transitions, 66100 flow, removed 23 selfloop flow, removed 4 redundant places. [2023-01-28 04:32:09,458 INFO L231 Difference]: Finished difference. Result has 491 places, 2750 transitions, 63876 flow [2023-01-28 04:32:09,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=59880, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1249, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=63876, PETRI_PLACES=491, PETRI_TRANSITIONS=2750} [2023-01-28 04:32:09,460 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 458 predicate places. [2023-01-28 04:32:09,460 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 2750 transitions, 63876 flow [2023-01-28 04:32:09,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 86.72972972972973) internal successors, (3209), 37 states have internal predecessors, (3209), 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) [2023-01-28 04:32:09,461 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:32:09,461 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:32:09,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-01-28 04:32:09,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-01-28 04:32:09,661 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:32:09,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:32:09,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1967116930, now seen corresponding path program 11 times [2023-01-28 04:32:09,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:32:09,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020519503] [2023-01-28 04:32:09,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:32:09,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:32:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:32:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:32:10,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:32:10,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020519503] [2023-01-28 04:32:10,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020519503] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:32:10,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012563794] [2023-01-28 04:32:10,467 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 04:32:10,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:32:10,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:32:10,468 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:32:10,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-01-28 04:32:10,562 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 04:32:10,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:32:10,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-28 04:32:10,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:32:10,891 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:32:10,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-01-28 04:32:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:32:10,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:32:11,012 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:32:11,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 04:32:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:32:11,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012563794] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:32:11,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:32:11,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2023-01-28 04:32:11,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025952307] [2023-01-28 04:32:11,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:32:11,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-28 04:32:11,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:32:11,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-28 04:32:11,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2023-01-28 04:32:11,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 04:32:11,207 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 2750 transitions, 63876 flow. Second operand has 32 states, 32 states have (on average 86.96875) internal successors, (2783), 32 states have internal predecessors, (2783), 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) [2023-01-28 04:32:11,207 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:32:11,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 04:32:11,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:32:22,747 INFO L130 PetriNetUnfolder]: 12473/19216 cut-off events. [2023-01-28 04:32:22,747 INFO L131 PetriNetUnfolder]: For 473580/473580 co-relation queries the response was YES. [2023-01-28 04:32:22,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175757 conditions, 19216 events. 12473/19216 cut-off events. For 473580/473580 co-relation queries the response was YES. Maximal size of possible extension queue 1077. Compared 129975 event pairs, 1113 based on Foata normal form. 154/19370 useless extension candidates. Maximal degree in co-relation 175423. Up to 10527 conditions per place. [2023-01-28 04:32:22,968 INFO L137 encePairwiseOnDemand]: 337/353 looper letters, 830 selfloop transitions, 1712 changer transitions 9/2551 dead transitions. [2023-01-28 04:32:22,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 2551 transitions, 63289 flow [2023-01-28 04:32:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-01-28 04:32:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2023-01-28 04:32:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 4543 transitions. [2023-01-28 04:32:22,973 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2573937677053824 [2023-01-28 04:32:22,974 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 4543 transitions. [2023-01-28 04:32:22,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 4543 transitions. [2023-01-28 04:32:22,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:32:22,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 4543 transitions. [2023-01-28 04:32:22,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 90.86) internal successors, (4543), 50 states have internal predecessors, (4543), 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) [2023-01-28 04:32:22,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 353.0) internal successors, (18003), 51 states have internal predecessors, (18003), 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) [2023-01-28 04:32:22,987 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 353.0) internal successors, (18003), 51 states have internal predecessors, (18003), 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) [2023-01-28 04:32:22,987 INFO L175 Difference]: Start difference. First operand has 491 places, 2750 transitions, 63876 flow. Second operand 50 states and 4543 transitions. [2023-01-28 04:32:22,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 2551 transitions, 63289 flow [2023-01-28 04:32:30,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 2551 transitions, 61834 flow, removed 103 selfloop flow, removed 22 redundant places. [2023-01-28 04:32:30,374 INFO L231 Difference]: Finished difference. Result has 509 places, 2401 transitions, 62267 flow [2023-01-28 04:32:30,375 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=50404, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1489, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=62267, PETRI_PLACES=509, PETRI_TRANSITIONS=2401} [2023-01-28 04:32:30,375 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 476 predicate places. [2023-01-28 04:32:30,375 INFO L495 AbstractCegarLoop]: Abstraction has has 509 places, 2401 transitions, 62267 flow [2023-01-28 04:32:30,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 86.96875) internal successors, (2783), 32 states have internal predecessors, (2783), 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) [2023-01-28 04:32:30,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:32:30,376 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:32:30,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-01-28 04:32:30,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-01-28 04:32:30,577 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:32:30,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:32:30,577 INFO L85 PathProgramCache]: Analyzing trace with hash -625829824, now seen corresponding path program 12 times [2023-01-28 04:32:30,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:32:30,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108132185] [2023-01-28 04:32:30,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:32:30,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:32:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:32:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:32:31,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:32:31,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108132185] [2023-01-28 04:32:31,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108132185] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:32:31,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893779423] [2023-01-28 04:32:31,258 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 04:32:31,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:32:31,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:32:31,259 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:32:31,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-01-28 04:32:31,358 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 04:32:31,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:32:31,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 60 conjunts are in the unsatisfiable core [2023-01-28 04:32:31,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:32:31,675 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:32:31,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-01-28 04:32:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:32:31,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:32:31,783 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:32:31,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 04:32:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:32:31,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893779423] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:32:31,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:32:31,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 10] total 31 [2023-01-28 04:32:31,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650609886] [2023-01-28 04:32:31,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:32:31,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-01-28 04:32:31,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:32:31,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-01-28 04:32:31,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2023-01-28 04:32:31,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 04:32:31,995 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 2401 transitions, 62267 flow. Second operand has 33 states, 33 states have (on average 86.81818181818181) internal successors, (2865), 33 states have internal predecessors, (2865), 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) [2023-01-28 04:32:31,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:32:31,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 04:32:31,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:32:41,054 INFO L130 PetriNetUnfolder]: 12557/19374 cut-off events. [2023-01-28 04:32:41,055 INFO L131 PetriNetUnfolder]: For 549356/549356 co-relation queries the response was YES. [2023-01-28 04:32:41,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188622 conditions, 19374 events. 12557/19374 cut-off events. For 549356/549356 co-relation queries the response was YES. Maximal size of possible extension queue 1096. Compared 132042 event pairs, 1791 based on Foata normal form. 2/19376 useless extension candidates. Maximal degree in co-relation 188123. Up to 14976 conditions per place. [2023-01-28 04:32:41,276 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 1287 selfloop transitions, 1212 changer transitions 6/2505 dead transitions. [2023-01-28 04:32:41,276 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 2505 transitions, 69142 flow [2023-01-28 04:32:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-28 04:32:41,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-01-28 04:32:41,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1823 transitions. [2023-01-28 04:32:41,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25821529745042493 [2023-01-28 04:32:41,278 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1823 transitions. [2023-01-28 04:32:41,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1823 transitions. [2023-01-28 04:32:41,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:32:41,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1823 transitions. [2023-01-28 04:32:41,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 91.15) internal successors, (1823), 20 states have internal predecessors, (1823), 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) [2023-01-28 04:32:41,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 353.0) internal successors, (7413), 21 states have internal predecessors, (7413), 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) [2023-01-28 04:32:41,283 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 353.0) internal successors, (7413), 21 states have internal predecessors, (7413), 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) [2023-01-28 04:32:41,283 INFO L175 Difference]: Start difference. First operand has 509 places, 2401 transitions, 62267 flow. Second operand 20 states and 1823 transitions. [2023-01-28 04:32:41,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 2505 transitions, 69142 flow [2023-01-28 04:32:50,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 2505 transitions, 68696 flow, removed 168 selfloop flow, removed 11 redundant places. [2023-01-28 04:32:50,069 INFO L231 Difference]: Finished difference. Result has 522 places, 2454 transitions, 66979 flow [2023-01-28 04:32:50,070 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=61851, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=66979, PETRI_PLACES=522, PETRI_TRANSITIONS=2454} [2023-01-28 04:32:50,071 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 489 predicate places. [2023-01-28 04:32:50,071 INFO L495 AbstractCegarLoop]: Abstraction has has 522 places, 2454 transitions, 66979 flow [2023-01-28 04:32:50,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 86.81818181818181) internal successors, (2865), 33 states have internal predecessors, (2865), 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) [2023-01-28 04:32:50,071 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:32:50,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:32:50,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-01-28 04:32:50,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-01-28 04:32:50,278 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:32:50,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:32:50,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1355219762, now seen corresponding path program 13 times [2023-01-28 04:32:50,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:32:50,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911672526] [2023-01-28 04:32:50,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:32:50,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:32:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:32:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:32:51,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:32:51,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911672526] [2023-01-28 04:32:51,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911672526] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:32:51,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800873398] [2023-01-28 04:32:51,150 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-28 04:32:51,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:32:51,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:32:51,151 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:32:51,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-01-28 04:32:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:32:51,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 62 conjunts are in the unsatisfiable core [2023-01-28 04:32:51,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:32:51,510 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:32:51,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2023-01-28 04:32:51,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:32:51,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:32:51,610 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:32:51,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 04:32:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:32:51,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800873398] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:32:51,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:32:51,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 27 [2023-01-28 04:32:51,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887352469] [2023-01-28 04:32:51,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:32:51,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-01-28 04:32:51,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:32:51,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-01-28 04:32:51,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2023-01-28 04:32:51,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-28 04:32:51,873 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 2454 transitions, 66979 flow. Second operand has 29 states, 29 states have (on average 87.03448275862068) internal successors, (2524), 29 states have internal predecessors, (2524), 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) [2023-01-28 04:32:51,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:32:51,873 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-28 04:32:51,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:33:02,741 INFO L130 PetriNetUnfolder]: 13569/21015 cut-off events. [2023-01-28 04:33:02,741 INFO L131 PetriNetUnfolder]: For 724068/724236 co-relation queries the response was YES. [2023-01-28 04:33:02,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212561 conditions, 21015 events. 13569/21015 cut-off events. For 724068/724236 co-relation queries the response was YES. Maximal size of possible extension queue 1333. Compared 148908 event pairs, 2217 based on Foata normal form. 105/21079 useless extension candidates. Maximal degree in co-relation 212066. Up to 16160 conditions per place. [2023-01-28 04:33:02,971 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1653 selfloop transitions, 1149 changer transitions 1/2835 dead transitions. [2023-01-28 04:33:02,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 2835 transitions, 80586 flow [2023-01-28 04:33:02,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-28 04:33:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-01-28 04:33:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2754 transitions. [2023-01-28 04:33:02,976 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.26005665722379606 [2023-01-28 04:33:02,976 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2754 transitions. [2023-01-28 04:33:02,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2754 transitions. [2023-01-28 04:33:02,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:33:02,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2754 transitions. [2023-01-28 04:33:02,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 91.8) internal successors, (2754), 30 states have internal predecessors, (2754), 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) [2023-01-28 04:33:02,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 353.0) internal successors, (10943), 31 states have internal predecessors, (10943), 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) [2023-01-28 04:33:02,983 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 353.0) internal successors, (10943), 31 states have internal predecessors, (10943), 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) [2023-01-28 04:33:02,983 INFO L175 Difference]: Start difference. First operand has 522 places, 2454 transitions, 66979 flow. Second operand 30 states and 2754 transitions. [2023-01-28 04:33:02,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 2835 transitions, 80586 flow [2023-01-28 04:33:12,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 2835 transitions, 79841 flow, removed 28 selfloop flow, removed 11 redundant places. [2023-01-28 04:33:12,953 INFO L231 Difference]: Finished difference. Result has 545 places, 2668 transitions, 75394 flow [2023-01-28 04:33:12,954 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=66270, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=949, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=75394, PETRI_PLACES=545, PETRI_TRANSITIONS=2668} [2023-01-28 04:33:12,955 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 512 predicate places. [2023-01-28 04:33:12,955 INFO L495 AbstractCegarLoop]: Abstraction has has 545 places, 2668 transitions, 75394 flow [2023-01-28 04:33:12,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 87.03448275862068) internal successors, (2524), 29 states have internal predecessors, (2524), 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) [2023-01-28 04:33:12,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:33:12,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:33:12,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-01-28 04:33:13,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:33:13,165 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:33:13,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:33:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1791834150, now seen corresponding path program 14 times [2023-01-28 04:33:13,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:33:13,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276751945] [2023-01-28 04:33:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:33:13,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:33:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:33:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:33:14,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:33:14,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276751945] [2023-01-28 04:33:14,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276751945] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:33:14,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756361645] [2023-01-28 04:33:14,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 04:33:14,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:33:14,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:33:14,086 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:33:14,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-01-28 04:33:14,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 04:33:14,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:33:14,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-28 04:33:14,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:33:14,444 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-28 04:33:14,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 43 [2023-01-28 04:33:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:33:14,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:33:14,615 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 04:33:14,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 78 [2023-01-28 04:33:14,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:33:14,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756361645] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:33:14,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:33:14,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2023-01-28 04:33:14,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979350151] [2023-01-28 04:33:14,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:33:14,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-01-28 04:33:14,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:33:14,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-01-28 04:33:14,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2023-01-28 04:33:14,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 353 [2023-01-28 04:33:14,796 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 2668 transitions, 75394 flow. Second operand has 28 states, 28 states have (on average 91.0) internal successors, (2548), 28 states have internal predecessors, (2548), 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) [2023-01-28 04:33:14,796 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:33:14,796 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 353 [2023-01-28 04:33:14,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:33:26,768 INFO L130 PetriNetUnfolder]: 14307/22169 cut-off events. [2023-01-28 04:33:26,768 INFO L131 PetriNetUnfolder]: For 759344/759518 co-relation queries the response was YES. [2023-01-28 04:33:26,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231021 conditions, 22169 events. 14307/22169 cut-off events. For 759344/759518 co-relation queries the response was YES. Maximal size of possible extension queue 1404. Compared 158747 event pairs, 1503 based on Foata normal form. 103/22227 useless extension candidates. Maximal degree in co-relation 230510. Up to 13586 conditions per place. [2023-01-28 04:33:27,085 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1138 selfloop transitions, 1676 changer transitions 6/2852 dead transitions. [2023-01-28 04:33:27,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 2852 transitions, 84048 flow [2023-01-28 04:33:27,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-01-28 04:33:27,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-01-28 04:33:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2133 transitions. [2023-01-28 04:33:27,088 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2746587689930466 [2023-01-28 04:33:27,088 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2133 transitions. [2023-01-28 04:33:27,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2133 transitions. [2023-01-28 04:33:27,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:33:27,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2133 transitions. [2023-01-28 04:33:27,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 96.95454545454545) internal successors, (2133), 22 states have internal predecessors, (2133), 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) [2023-01-28 04:33:27,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 353.0) internal successors, (8119), 23 states have internal predecessors, (8119), 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) [2023-01-28 04:33:27,093 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 353.0) internal successors, (8119), 23 states have internal predecessors, (8119), 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) [2023-01-28 04:33:27,093 INFO L175 Difference]: Start difference. First operand has 545 places, 2668 transitions, 75394 flow. Second operand 22 states and 2133 transitions. [2023-01-28 04:33:27,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 2852 transitions, 84048 flow [2023-01-28 04:33:38,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 2852 transitions, 83885 flow, removed 25 selfloop flow, removed 8 redundant places. [2023-01-28 04:33:38,575 INFO L231 Difference]: Finished difference. Result has 565 places, 2745 transitions, 83173 flow [2023-01-28 04:33:38,577 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=75231, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1604, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1038, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=83173, PETRI_PLACES=565, PETRI_TRANSITIONS=2745} [2023-01-28 04:33:38,577 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 532 predicate places. [2023-01-28 04:33:38,577 INFO L495 AbstractCegarLoop]: Abstraction has has 565 places, 2745 transitions, 83173 flow [2023-01-28 04:33:38,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 91.0) internal successors, (2548), 28 states have internal predecessors, (2548), 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) [2023-01-28 04:33:38,578 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:33:38,578 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:33:38,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-01-28 04:33:38,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-01-28 04:33:38,778 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:33:38,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:33:38,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1650705045, now seen corresponding path program 15 times [2023-01-28 04:33:38,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:33:38,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395373304] [2023-01-28 04:33:38,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:33:38,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:33:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:33:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:33:38,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:33:38,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395373304] [2023-01-28 04:33:38,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395373304] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:33:38,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316412846] [2023-01-28 04:33:38,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 04:33:38,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:33:38,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:33:38,861 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:33:38,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-01-28 04:33:38,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-28 04:33:38,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:33:38,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-28 04:33:38,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:33:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:33:39,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:33:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:33:39,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316412846] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:33:39,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:33:39,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-01-28 04:33:39,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129547101] [2023-01-28 04:33:39,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:33:39,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-01-28 04:33:39,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:33:39,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-01-28 04:33:39,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-01-28 04:33:39,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 353 [2023-01-28 04:33:39,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 2745 transitions, 83173 flow. Second operand has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2023-01-28 04:33:39,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:33:39,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 353 [2023-01-28 04:33:39,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:33:57,206 INFO L130 PetriNetUnfolder]: 20239/32762 cut-off events. [2023-01-28 04:33:57,206 INFO L131 PetriNetUnfolder]: For 1596372/1597319 co-relation queries the response was YES. [2023-01-28 04:33:57,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367756 conditions, 32762 events. 20239/32762 cut-off events. For 1596372/1597319 co-relation queries the response was YES. Maximal size of possible extension queue 2068. Compared 265303 event pairs, 4225 based on Foata normal form. 2521/34960 useless extension candidates. Maximal degree in co-relation 367270. Up to 13291 conditions per place. [2023-01-28 04:33:57,808 INFO L137 encePairwiseOnDemand]: 345/353 looper letters, 2996 selfloop transitions, 541 changer transitions 68/3681 dead transitions. [2023-01-28 04:33:57,808 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 3681 transitions, 121967 flow [2023-01-28 04:33:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-28 04:33:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-01-28 04:33:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1672 transitions. [2023-01-28 04:33:57,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3947119924457035 [2023-01-28 04:33:57,810 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1672 transitions. [2023-01-28 04:33:57,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1672 transitions. [2023-01-28 04:33:57,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:33:57,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1672 transitions. [2023-01-28 04:33:57,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 139.33333333333334) internal successors, (1672), 12 states have internal predecessors, (1672), 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) [2023-01-28 04:33:57,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 353.0) internal successors, (4589), 13 states have internal predecessors, (4589), 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) [2023-01-28 04:33:57,814 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 353.0) internal successors, (4589), 13 states have internal predecessors, (4589), 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) [2023-01-28 04:33:57,814 INFO L175 Difference]: Start difference. First operand has 565 places, 2745 transitions, 83173 flow. Second operand 12 states and 1672 transitions. [2023-01-28 04:33:57,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 3681 transitions, 121967 flow [2023-01-28 04:34:22,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 3681 transitions, 120547 flow, removed 124 selfloop flow, removed 19 redundant places. [2023-01-28 04:34:22,938 INFO L231 Difference]: Finished difference. Result has 554 places, 2459 transitions, 77211 flow [2023-01-28 04:34:22,940 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=72729, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=416, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1930, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=77211, PETRI_PLACES=554, PETRI_TRANSITIONS=2459} [2023-01-28 04:34:22,940 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 521 predicate places. [2023-01-28 04:34:22,940 INFO L495 AbstractCegarLoop]: Abstraction has has 554 places, 2459 transitions, 77211 flow [2023-01-28 04:34:22,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2023-01-28 04:34:22,941 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:34:22,941 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:34:22,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-01-28 04:34:23,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-01-28 04:34:23,149 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:34:23,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:34:23,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1609149229, now seen corresponding path program 16 times [2023-01-28 04:34:23,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:34:23,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527369760] [2023-01-28 04:34:23,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:34:23,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:34:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:34:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:34:23,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:34:23,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527369760] [2023-01-28 04:34:23,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527369760] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:34:23,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141113080] [2023-01-28 04:34:23,227 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 04:34:23,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:34:23,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:34:23,228 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:34:23,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-01-28 04:34:23,333 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 04:34:23,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:34:23,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 04:34:23,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:34:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:34:23,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:34:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:34:23,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141113080] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:34:23,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:34:23,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2023-01-28 04:34:23,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762111506] [2023-01-28 04:34:23,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:34:23,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 04:34:23,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:34:23,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 04:34:23,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-01-28 04:34:23,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:34:23,475 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 2459 transitions, 77211 flow. Second operand has 19 states, 19 states have (on average 123.84210526315789) internal successors, (2353), 19 states have internal predecessors, (2353), 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) [2023-01-28 04:34:23,476 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:34:23,476 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:34:23,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:34:45,412 INFO L130 PetriNetUnfolder]: 25407/40294 cut-off events. [2023-01-28 04:34:45,413 INFO L131 PetriNetUnfolder]: For 1794985/1795158 co-relation queries the response was YES. [2023-01-28 04:34:46,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451682 conditions, 40294 events. 25407/40294 cut-off events. For 1794985/1795158 co-relation queries the response was YES. Maximal size of possible extension queue 2279. Compared 320974 event pairs, 2214 based on Foata normal form. 185/40440 useless extension candidates. Maximal degree in co-relation 451395. Up to 13208 conditions per place. [2023-01-28 04:34:46,386 INFO L137 encePairwiseOnDemand]: 339/353 looper letters, 1475 selfloop transitions, 2811 changer transitions 9/4394 dead transitions. [2023-01-28 04:34:46,386 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 4394 transitions, 141025 flow [2023-01-28 04:34:46,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-01-28 04:34:46,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2023-01-28 04:34:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3792 transitions. [2023-01-28 04:34:46,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3704210217837257 [2023-01-28 04:34:46,389 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3792 transitions. [2023-01-28 04:34:46,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3792 transitions. [2023-01-28 04:34:46,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:34:46,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3792 transitions. [2023-01-28 04:34:46,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 130.75862068965517) internal successors, (3792), 29 states have internal predecessors, (3792), 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) [2023-01-28 04:34:46,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 353.0) internal successors, (10590), 30 states have internal predecessors, (10590), 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) [2023-01-28 04:34:46,396 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 353.0) internal successors, (10590), 30 states have internal predecessors, (10590), 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) [2023-01-28 04:34:46,396 INFO L175 Difference]: Start difference. First operand has 554 places, 2459 transitions, 77211 flow. Second operand 29 states and 3792 transitions. [2023-01-28 04:34:46,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 4394 transitions, 141025 flow [2023-01-28 04:35:18,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 4394 transitions, 136268 flow, removed 620 selfloop flow, removed 35 redundant places. [2023-01-28 04:35:18,505 INFO L231 Difference]: Finished difference. Result has 543 places, 3751 transitions, 126448 flow [2023-01-28 04:35:18,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=59282, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1992, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=757, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=126448, PETRI_PLACES=543, PETRI_TRANSITIONS=3751} [2023-01-28 04:35:18,506 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 510 predicate places. [2023-01-28 04:35:18,506 INFO L495 AbstractCegarLoop]: Abstraction has has 543 places, 3751 transitions, 126448 flow [2023-01-28 04:35:18,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 123.84210526315789) internal successors, (2353), 19 states have internal predecessors, (2353), 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) [2023-01-28 04:35:18,507 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:35:18,507 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:35:18,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-01-28 04:35:18,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:35:18,708 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:35:18,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:35:18,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1306578835, now seen corresponding path program 17 times [2023-01-28 04:35:18,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:35:18,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184160536] [2023-01-28 04:35:18,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:35:18,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:35:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:35:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:35:18,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:35:18,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184160536] [2023-01-28 04:35:18,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184160536] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:35:18,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901257967] [2023-01-28 04:35:18,827 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 04:35:18,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:35:18,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:35:18,828 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:35:18,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-01-28 04:35:18,954 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-01-28 04:35:18,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:35:18,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 13 conjunts are in the unsatisfiable core [2023-01-28 04:35:18,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:35:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:35:19,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:35:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:35:19,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901257967] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:35:19,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:35:19,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-01-28 04:35:19,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193383066] [2023-01-28 04:35:19,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:35:19,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 04:35:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:35:19,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 04:35:19,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-01-28 04:35:19,106 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 353 [2023-01-28 04:35:19,107 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 3751 transitions, 126448 flow. Second operand has 18 states, 18 states have (on average 127.11111111111111) internal successors, (2288), 18 states have internal predecessors, (2288), 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) [2023-01-28 04:35:19,107 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:35:19,107 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 353 [2023-01-28 04:35:19,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:35:41,822 INFO L130 PetriNetUnfolder]: 17365/28959 cut-off events. [2023-01-28 04:35:41,823 INFO L131 PetriNetUnfolder]: For 1551562/1552026 co-relation queries the response was YES. [2023-01-28 04:35:42,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318660 conditions, 28959 events. 17365/28959 cut-off events. For 1551562/1552026 co-relation queries the response was YES. Maximal size of possible extension queue 1739. Compared 238890 event pairs, 3394 based on Foata normal form. 2056/30915 useless extension candidates. Maximal degree in co-relation 318392. Up to 9584 conditions per place. [2023-01-28 04:35:42,236 INFO L137 encePairwiseOnDemand]: 344/353 looper letters, 2296 selfloop transitions, 300 changer transitions 337/3044 dead transitions. [2023-01-28 04:35:42,236 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 3044 transitions, 95258 flow [2023-01-28 04:35:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-01-28 04:35:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-01-28 04:35:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1866 transitions. [2023-01-28 04:35:42,243 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.377579927154998 [2023-01-28 04:35:42,243 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1866 transitions. [2023-01-28 04:35:42,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1866 transitions. [2023-01-28 04:35:42,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:35:42,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1866 transitions. [2023-01-28 04:35:42,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 133.28571428571428) internal successors, (1866), 14 states have internal predecessors, (1866), 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) [2023-01-28 04:35:42,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 353.0) internal successors, (5295), 15 states have internal predecessors, (5295), 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) [2023-01-28 04:35:42,254 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 353.0) internal successors, (5295), 15 states have internal predecessors, (5295), 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) [2023-01-28 04:35:42,254 INFO L175 Difference]: Start difference. First operand has 543 places, 3751 transitions, 126448 flow. Second operand 14 states and 1866 transitions. [2023-01-28 04:35:42,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 3044 transitions, 95258 flow [2023-01-28 04:35:59,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 3044 transitions, 91329 flow, removed 435 selfloop flow, removed 10 redundant places. [2023-01-28 04:35:59,291 INFO L231 Difference]: Finished difference. Result has 540 places, 2481 transitions, 71403 flow [2023-01-28 04:35:59,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=80306, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2751, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=71403, PETRI_PLACES=540, PETRI_TRANSITIONS=2481} [2023-01-28 04:35:59,293 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 507 predicate places. [2023-01-28 04:35:59,293 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 2481 transitions, 71403 flow [2023-01-28 04:35:59,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 127.11111111111111) internal successors, (2288), 18 states have internal predecessors, (2288), 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) [2023-01-28 04:35:59,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:35:59,294 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:35:59,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-01-28 04:35:59,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:35:59,494 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:35:59,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:35:59,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1310478255, now seen corresponding path program 1 times [2023-01-28 04:35:59,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:35:59,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188265241] [2023-01-28 04:35:59,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:35:59,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:35:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:35:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:35:59,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:35:59,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188265241] [2023-01-28 04:35:59,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188265241] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:35:59,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195186912] [2023-01-28 04:35:59,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:35:59,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:35:59,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:35:59,571 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:35:59,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-01-28 04:35:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:35:59,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 04:35:59,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:35:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:35:59,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:35:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:35:59,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195186912] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:35:59,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:35:59,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2023-01-28 04:35:59,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417894217] [2023-01-28 04:35:59,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:35:59,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-01-28 04:35:59,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:35:59,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-01-28 04:35:59,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-01-28 04:35:59,798 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:35:59,798 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 2481 transitions, 71403 flow. Second operand has 17 states, 17 states have (on average 124.0) internal successors, (2108), 17 states have internal predecessors, (2108), 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) [2023-01-28 04:35:59,799 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:35:59,799 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:35:59,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:36:15,242 INFO L130 PetriNetUnfolder]: 17062/28132 cut-off events. [2023-01-28 04:36:15,243 INFO L131 PetriNetUnfolder]: For 1020302/1020506 co-relation queries the response was YES. [2023-01-28 04:36:15,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290325 conditions, 28132 events. 17062/28132 cut-off events. For 1020302/1020506 co-relation queries the response was YES. Maximal size of possible extension queue 1682. Compared 226533 event pairs, 2856 based on Foata normal form. 186/28283 useless extension candidates. Maximal degree in co-relation 290056. Up to 9826 conditions per place. [2023-01-28 04:36:15,656 INFO L137 encePairwiseOnDemand]: 343/353 looper letters, 2098 selfloop transitions, 777 changer transitions 101/3047 dead transitions. [2023-01-28 04:36:15,657 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 3047 transitions, 86910 flow [2023-01-28 04:36:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-28 04:36:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-01-28 04:36:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 3410 transitions. [2023-01-28 04:36:15,659 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3715406406624537 [2023-01-28 04:36:15,659 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 3410 transitions. [2023-01-28 04:36:15,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 3410 transitions. [2023-01-28 04:36:15,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:36:15,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 3410 transitions. [2023-01-28 04:36:15,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 131.15384615384616) internal successors, (3410), 26 states have internal predecessors, (3410), 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) [2023-01-28 04:36:15,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 353.0) internal successors, (9531), 27 states have internal predecessors, (9531), 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) [2023-01-28 04:36:15,666 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 353.0) internal successors, (9531), 27 states have internal predecessors, (9531), 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) [2023-01-28 04:36:15,666 INFO L175 Difference]: Start difference. First operand has 540 places, 2481 transitions, 71403 flow. Second operand 26 states and 3410 transitions. [2023-01-28 04:36:15,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 3047 transitions, 86910 flow [2023-01-28 04:36:30,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 3047 transitions, 85032 flow, removed 222 selfloop flow, removed 31 redundant places. [2023-01-28 04:36:30,387 INFO L231 Difference]: Finished difference. Result has 539 places, 2657 transitions, 76289 flow [2023-01-28 04:36:30,389 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=69231, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=570, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1844, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=76289, PETRI_PLACES=539, PETRI_TRANSITIONS=2657} [2023-01-28 04:36:30,389 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 506 predicate places. [2023-01-28 04:36:30,389 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 2657 transitions, 76289 flow [2023-01-28 04:36:30,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 124.0) internal successors, (2108), 17 states have internal predecessors, (2108), 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) [2023-01-28 04:36:30,389 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:36:30,390 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:36:30,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-01-28 04:36:30,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:36:30,590 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:36:30,591 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:36:30,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1910854271, now seen corresponding path program 18 times [2023-01-28 04:36:30,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:36:30,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176832746] [2023-01-28 04:36:30,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:36:30,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:36:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:36:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:36:30,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:36:30,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176832746] [2023-01-28 04:36:30,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176832746] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:36:30,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828566585] [2023-01-28 04:36:30,666 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 04:36:30,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:36:30,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:36:30,667 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:36:30,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-01-28 04:36:30,792 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 04:36:30,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:36:30,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-28 04:36:30,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:36:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:36:30,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:36:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:36:30,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828566585] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:36:30,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:36:30,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2023-01-28 04:36:30,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237390547] [2023-01-28 04:36:30,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:36:30,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-01-28 04:36:30,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:36:30,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-01-28 04:36:30,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-01-28 04:36:30,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 353 [2023-01-28 04:36:30,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 2657 transitions, 76289 flow. Second operand has 15 states, 15 states have (on average 130.66666666666666) internal successors, (1960), 15 states have internal predecessors, (1960), 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) [2023-01-28 04:36:30,891 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:36:30,891 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 353 [2023-01-28 04:36:30,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:36:40,762 INFO L130 PetriNetUnfolder]: 11024/17938 cut-off events. [2023-01-28 04:36:40,763 INFO L131 PetriNetUnfolder]: For 682192/682592 co-relation queries the response was YES. [2023-01-28 04:36:40,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199329 conditions, 17938 events. 11024/17938 cut-off events. For 682192/682592 co-relation queries the response was YES. Maximal size of possible extension queue 1081. Compared 132558 event pairs, 3233 based on Foata normal form. 1478/19272 useless extension candidates. Maximal degree in co-relation 199124. Up to 6608 conditions per place. [2023-01-28 04:36:40,980 INFO L137 encePairwiseOnDemand]: 346/353 looper letters, 1647 selfloop transitions, 223 changer transitions 481/2410 dead transitions. [2023-01-28 04:36:40,980 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 2410 transitions, 71033 flow [2023-01-28 04:36:40,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-28 04:36:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-01-28 04:36:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1103 transitions. [2023-01-28 04:36:40,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39058073654390935 [2023-01-28 04:36:40,982 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1103 transitions. [2023-01-28 04:36:40,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1103 transitions. [2023-01-28 04:36:40,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:36:40,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1103 transitions. [2023-01-28 04:36:40,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 137.875) internal successors, (1103), 8 states have internal predecessors, (1103), 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) [2023-01-28 04:36:40,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 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) [2023-01-28 04:36:40,984 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 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) [2023-01-28 04:36:40,984 INFO L175 Difference]: Start difference. First operand has 539 places, 2657 transitions, 76289 flow. Second operand 8 states and 1103 transitions. [2023-01-28 04:36:40,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 2410 transitions, 71033 flow [2023-01-28 04:36:47,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 2410 transitions, 69024 flow, removed 391 selfloop flow, removed 19 redundant places. [2023-01-28 04:36:47,282 INFO L231 Difference]: Finished difference. Result has 523 places, 1721 transitions, 46941 flow [2023-01-28 04:36:47,283 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=58759, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1957, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46941, PETRI_PLACES=523, PETRI_TRANSITIONS=1721} [2023-01-28 04:36:47,283 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 490 predicate places. [2023-01-28 04:36:47,283 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 1721 transitions, 46941 flow [2023-01-28 04:36:47,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 130.66666666666666) internal successors, (1960), 15 states have internal predecessors, (1960), 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) [2023-01-28 04:36:47,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:36:47,284 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:36:47,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-01-28 04:36:47,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-01-28 04:36:47,489 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:36:47,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:36:47,489 INFO L85 PathProgramCache]: Analyzing trace with hash 383481661, now seen corresponding path program 2 times [2023-01-28 04:36:47,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:36:47,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237951658] [2023-01-28 04:36:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:36:47,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:36:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:36:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:36:47,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:36:47,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237951658] [2023-01-28 04:36:47,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237951658] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:36:47,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283423153] [2023-01-28 04:36:47,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 04:36:47,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:36:47,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:36:47,570 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:36:47,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-01-28 04:36:47,687 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 04:36:47,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:36:47,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 04:36:47,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:36:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:36:47,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:36:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:36:47,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283423153] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:36:47,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:36:47,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-01-28 04:36:47,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66345290] [2023-01-28 04:36:47,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:36:47,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 04:36:47,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:36:47,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 04:36:47,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-01-28 04:36:47,802 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:36:47,803 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 1721 transitions, 46941 flow. Second operand has 18 states, 18 states have (on average 123.72222222222223) internal successors, (2227), 18 states have internal predecessors, (2227), 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) [2023-01-28 04:36:47,803 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:36:47,803 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:36:47,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:36:56,349 INFO L130 PetriNetUnfolder]: 12543/20618 cut-off events. [2023-01-28 04:36:56,350 INFO L131 PetriNetUnfolder]: For 698733/698939 co-relation queries the response was YES. [2023-01-28 04:36:56,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218541 conditions, 20618 events. 12543/20618 cut-off events. For 698733/698939 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 158101 event pairs, 1452 based on Foata normal form. 120/20717 useless extension candidates. Maximal degree in co-relation 218408. Up to 6963 conditions per place. [2023-01-28 04:36:56,674 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1791 selfloop transitions, 479 changer transitions 116/2435 dead transitions. [2023-01-28 04:36:56,674 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 2435 transitions, 67395 flow [2023-01-28 04:36:56,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-01-28 04:36:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-01-28 04:36:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2891 transitions. [2023-01-28 04:36:56,676 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.372263713623487 [2023-01-28 04:36:56,676 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2891 transitions. [2023-01-28 04:36:56,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2891 transitions. [2023-01-28 04:36:56,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:36:56,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2891 transitions. [2023-01-28 04:36:56,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 131.4090909090909) internal successors, (2891), 22 states have internal predecessors, (2891), 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) [2023-01-28 04:36:56,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 353.0) internal successors, (8119), 23 states have internal predecessors, (8119), 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) [2023-01-28 04:36:56,682 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 353.0) internal successors, (8119), 23 states have internal predecessors, (8119), 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) [2023-01-28 04:36:56,682 INFO L175 Difference]: Start difference. First operand has 523 places, 1721 transitions, 46941 flow. Second operand 22 states and 2891 transitions. [2023-01-28 04:36:56,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 2435 transitions, 67395 flow [2023-01-28 04:37:03,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 2435 transitions, 66016 flow, removed 267 selfloop flow, removed 24 redundant places. [2023-01-28 04:37:03,634 INFO L231 Difference]: Finished difference. Result has 510 places, 1883 transitions, 52080 flow [2023-01-28 04:37:03,635 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=45919, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=317, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=52080, PETRI_PLACES=510, PETRI_TRANSITIONS=1883} [2023-01-28 04:37:03,636 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 477 predicate places. [2023-01-28 04:37:03,636 INFO L495 AbstractCegarLoop]: Abstraction has has 510 places, 1883 transitions, 52080 flow [2023-01-28 04:37:03,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.72222222222223) internal successors, (2227), 18 states have internal predecessors, (2227), 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) [2023-01-28 04:37:03,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:37:03,636 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:37:03,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-01-28 04:37:03,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-01-28 04:37:03,837 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:37:03,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:37:03,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1704698617, now seen corresponding path program 3 times [2023-01-28 04:37:03,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:37:03,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944662911] [2023-01-28 04:37:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:37:03,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:37:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:37:03,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:37:03,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:37:03,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944662911] [2023-01-28 04:37:03,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944662911] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:37:03,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332895322] [2023-01-28 04:37:03,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 04:37:03,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:37:03,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:37:03,938 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:37:03,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-01-28 04:37:04,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-28 04:37:04,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:37:04,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 04:37:04,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:37:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:37:04,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:37:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:37:04,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332895322] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:37:04,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:37:04,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-01-28 04:37:04,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184206667] [2023-01-28 04:37:04,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:37:04,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 04:37:04,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:37:04,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 04:37:04,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2023-01-28 04:37:04,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:37:04,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 1883 transitions, 52080 flow. Second operand has 18 states, 18 states have (on average 123.66666666666667) internal successors, (2226), 18 states have internal predecessors, (2226), 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) [2023-01-28 04:37:04,211 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:37:04,211 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:37:04,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:37:12,617 INFO L130 PetriNetUnfolder]: 11781/19199 cut-off events. [2023-01-28 04:37:12,617 INFO L131 PetriNetUnfolder]: For 719179/719419 co-relation queries the response was YES. [2023-01-28 04:37:12,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210203 conditions, 19199 events. 11781/19199 cut-off events. For 719179/719419 co-relation queries the response was YES. Maximal size of possible extension queue 1098. Compared 142644 event pairs, 1359 based on Foata normal form. 128/19311 useless extension candidates. Maximal degree in co-relation 210072. Up to 6666 conditions per place. [2023-01-28 04:37:12,835 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1811 selfloop transitions, 386 changer transitions 90/2336 dead transitions. [2023-01-28 04:37:12,835 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 2336 transitions, 66113 flow [2023-01-28 04:37:12,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-28 04:37:12,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-01-28 04:37:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2725 transitions. [2023-01-28 04:37:12,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36759746391474435 [2023-01-28 04:37:12,837 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2725 transitions. [2023-01-28 04:37:12,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2725 transitions. [2023-01-28 04:37:12,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:37:12,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2725 transitions. [2023-01-28 04:37:12,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 129.76190476190476) internal successors, (2725), 21 states have internal predecessors, (2725), 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) [2023-01-28 04:37:12,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 353.0) internal successors, (7766), 22 states have internal predecessors, (7766), 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) [2023-01-28 04:37:12,842 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 353.0) internal successors, (7766), 22 states have internal predecessors, (7766), 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) [2023-01-28 04:37:12,842 INFO L175 Difference]: Start difference. First operand has 510 places, 1883 transitions, 52080 flow. Second operand 21 states and 2725 transitions. [2023-01-28 04:37:12,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 2336 transitions, 66113 flow [2023-01-28 04:37:18,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 2336 transitions, 65576 flow, removed 94 selfloop flow, removed 10 redundant places. [2023-01-28 04:37:18,503 INFO L231 Difference]: Finished difference. Result has 520 places, 1857 transitions, 51510 flow [2023-01-28 04:37:18,505 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=50535, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1852, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=379, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=51510, PETRI_PLACES=520, PETRI_TRANSITIONS=1857} [2023-01-28 04:37:18,505 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 487 predicate places. [2023-01-28 04:37:18,505 INFO L495 AbstractCegarLoop]: Abstraction has has 520 places, 1857 transitions, 51510 flow [2023-01-28 04:37:18,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.66666666666667) internal successors, (2226), 18 states have internal predecessors, (2226), 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) [2023-01-28 04:37:18,505 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:37:18,506 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:37:18,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-01-28 04:37:18,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:37:18,706 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:37:18,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:37:18,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1573255193, now seen corresponding path program 4 times [2023-01-28 04:37:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:37:18,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499984554] [2023-01-28 04:37:18,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:37:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:37:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:37:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:37:18,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:37:18,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499984554] [2023-01-28 04:37:18,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499984554] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:37:18,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055367228] [2023-01-28 04:37:18,784 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 04:37:18,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:37:18,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:37:18,785 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:37:18,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-01-28 04:37:18,898 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 04:37:18,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:37:18,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 04:37:18,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:37:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:37:18,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:37:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:37:19,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055367228] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:37:19,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:37:19,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-01-28 04:37:19,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887829881] [2023-01-28 04:37:19,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:37:19,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 04:37:19,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:37:19,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 04:37:19,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-01-28 04:37:19,021 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:37:19,022 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 1857 transitions, 51510 flow. Second operand has 18 states, 18 states have (on average 123.83333333333333) internal successors, (2229), 18 states have internal predecessors, (2229), 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) [2023-01-28 04:37:19,022 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:37:19,022 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:37:19,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:37:25,982 INFO L130 PetriNetUnfolder]: 10037/16451 cut-off events. [2023-01-28 04:37:25,982 INFO L131 PetriNetUnfolder]: For 605492/605728 co-relation queries the response was YES. [2023-01-28 04:37:26,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181608 conditions, 16451 events. 10037/16451 cut-off events. For 605492/605728 co-relation queries the response was YES. Maximal size of possible extension queue 979. Compared 120667 event pairs, 1276 based on Foata normal form. 296/16731 useless extension candidates. Maximal degree in co-relation 181479. Up to 5847 conditions per place. [2023-01-28 04:37:26,169 INFO L137 encePairwiseOnDemand]: 342/353 looper letters, 1540 selfloop transitions, 313 changer transitions 133/2027 dead transitions. [2023-01-28 04:37:26,170 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 2027 transitions, 58544 flow [2023-01-28 04:37:26,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-28 04:37:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-28 04:37:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2081 transitions. [2023-01-28 04:37:26,171 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3684490084985836 [2023-01-28 04:37:26,171 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2081 transitions. [2023-01-28 04:37:26,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2081 transitions. [2023-01-28 04:37:26,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:37:26,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2081 transitions. [2023-01-28 04:37:26,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 130.0625) internal successors, (2081), 16 states have internal predecessors, (2081), 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) [2023-01-28 04:37:26,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 04:37:26,175 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 04:37:26,175 INFO L175 Difference]: Start difference. First operand has 520 places, 1857 transitions, 51510 flow. Second operand 16 states and 2081 transitions. [2023-01-28 04:37:26,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 2027 transitions, 58544 flow [2023-01-28 04:37:30,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 2027 transitions, 57606 flow, removed 91 selfloop flow, removed 17 redundant places. [2023-01-28 04:37:30,396 INFO L231 Difference]: Finished difference. Result has 510 places, 1629 transitions, 45254 flow [2023-01-28 04:37:30,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=45008, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=45254, PETRI_PLACES=510, PETRI_TRANSITIONS=1629} [2023-01-28 04:37:30,398 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 477 predicate places. [2023-01-28 04:37:30,398 INFO L495 AbstractCegarLoop]: Abstraction has has 510 places, 1629 transitions, 45254 flow [2023-01-28 04:37:30,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.83333333333333) internal successors, (2229), 18 states have internal predecessors, (2229), 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) [2023-01-28 04:37:30,398 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:37:30,398 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:37:30,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-01-28 04:37:30,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:37:30,600 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:37:30,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:37:30,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2028315385, now seen corresponding path program 5 times [2023-01-28 04:37:30,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:37:30,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60745193] [2023-01-28 04:37:30,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:37:30,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:37:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:37:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:37:30,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:37:30,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60745193] [2023-01-28 04:37:30,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60745193] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:37:30,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182868906] [2023-01-28 04:37:30,671 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 04:37:30,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:37:30,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:37:30,672 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:37:30,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-01-28 04:37:30,787 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-01-28 04:37:30,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:37:30,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 04:37:30,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:37:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:37:30,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:37:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-28 04:37:30,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182868906] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:37:30,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:37:30,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-01-28 04:37:30,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526147660] [2023-01-28 04:37:30,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:37:30,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 04:37:30,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:37:30,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 04:37:30,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-01-28 04:37:30,955 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:37:30,955 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 1629 transitions, 45254 flow. Second operand has 18 states, 18 states have (on average 123.72222222222223) internal successors, (2227), 18 states have internal predecessors, (2227), 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) [2023-01-28 04:37:30,955 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:37:30,956 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:37:30,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:37:36,891 INFO L130 PetriNetUnfolder]: 9544/15472 cut-off events. [2023-01-28 04:37:36,891 INFO L131 PetriNetUnfolder]: For 531193/531421 co-relation queries the response was YES. [2023-01-28 04:37:36,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169907 conditions, 15472 events. 9544/15472 cut-off events. For 531193/531421 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 110368 event pairs, 1035 based on Foata normal form. 292/15748 useless extension candidates. Maximal degree in co-relation 169782. Up to 5739 conditions per place. [2023-01-28 04:37:37,085 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1514 selfloop transitions, 275 changer transitions 95/1924 dead transitions. [2023-01-28 04:37:37,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 1924 transitions, 55656 flow [2023-01-28 04:37:37,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-28 04:37:37,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-28 04:37:37,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2064 transitions. [2023-01-28 04:37:37,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3654390934844193 [2023-01-28 04:37:37,087 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2064 transitions. [2023-01-28 04:37:37,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2064 transitions. [2023-01-28 04:37:37,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:37:37,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2064 transitions. [2023-01-28 04:37:37,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 129.0) internal successors, (2064), 16 states have internal predecessors, (2064), 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) [2023-01-28 04:37:37,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 04:37:37,091 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 04:37:37,091 INFO L175 Difference]: Start difference. First operand has 510 places, 1629 transitions, 45254 flow. Second operand 16 states and 2064 transitions. [2023-01-28 04:37:37,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 1924 transitions, 55656 flow [2023-01-28 04:37:41,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 1924 transitions, 54594 flow, removed 82 selfloop flow, removed 26 redundant places. [2023-01-28 04:37:41,086 INFO L231 Difference]: Finished difference. Result has 488 places, 1606 transitions, 44312 flow [2023-01-28 04:37:41,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=44078, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=275, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=44312, PETRI_PLACES=488, PETRI_TRANSITIONS=1606} [2023-01-28 04:37:41,088 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 455 predicate places. [2023-01-28 04:37:41,088 INFO L495 AbstractCegarLoop]: Abstraction has has 488 places, 1606 transitions, 44312 flow [2023-01-28 04:37:41,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.72222222222223) internal successors, (2227), 18 states have internal predecessors, (2227), 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) [2023-01-28 04:37:41,089 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:37:41,089 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:37:41,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-01-28 04:37:41,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-01-28 04:37:41,295 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:37:41,295 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:37:41,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1093084191, now seen corresponding path program 6 times [2023-01-28 04:37:41,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:37:41,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082000953] [2023-01-28 04:37:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:37:41,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:37:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:37:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:37:41,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:37:41,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082000953] [2023-01-28 04:37:41,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082000953] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:37:41,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443419776] [2023-01-28 04:37:41,365 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 04:37:41,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:37:41,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:37:41,366 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:37:41,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-01-28 04:37:41,513 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 04:37:41,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:37:41,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-28 04:37:41,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:37:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:37:41,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:37:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-28 04:37:41,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443419776] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:37:41,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:37:41,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-01-28 04:37:41,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994966799] [2023-01-28 04:37:41,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:37:41,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-01-28 04:37:41,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:37:41,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-01-28 04:37:41,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-01-28 04:37:41,635 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:37:41,636 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 1606 transitions, 44312 flow. Second operand has 16 states, 16 states have (on average 123.5625) internal successors, (1977), 16 states have internal predecessors, (1977), 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) [2023-01-28 04:37:41,636 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:37:41,636 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:37:41,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:37:45,620 INFO L130 PetriNetUnfolder]: 7070/11224 cut-off events. [2023-01-28 04:37:45,620 INFO L131 PetriNetUnfolder]: For 418865/419091 co-relation queries the response was YES. [2023-01-28 04:37:45,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127757 conditions, 11224 events. 7070/11224 cut-off events. For 418865/419091 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 73389 event pairs, 856 based on Foata normal form. 434/11642 useless extension candidates. Maximal degree in co-relation 127638. Up to 4592 conditions per place. [2023-01-28 04:37:45,740 INFO L137 encePairwiseOnDemand]: 343/353 looper letters, 1145 selfloop transitions, 97 changer transitions 165/1434 dead transitions. [2023-01-28 04:37:45,740 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 1434 transitions, 41728 flow [2023-01-28 04:37:45,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-28 04:37:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-01-28 04:37:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1541 transitions. [2023-01-28 04:37:45,742 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3637865911237016 [2023-01-28 04:37:45,742 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1541 transitions. [2023-01-28 04:37:45,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1541 transitions. [2023-01-28 04:37:45,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:37:45,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1541 transitions. [2023-01-28 04:37:45,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 128.41666666666666) internal successors, (1541), 12 states have internal predecessors, (1541), 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) [2023-01-28 04:37:45,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 353.0) internal successors, (4589), 13 states have internal predecessors, (4589), 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) [2023-01-28 04:37:45,745 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 353.0) internal successors, (4589), 13 states have internal predecessors, (4589), 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) [2023-01-28 04:37:45,745 INFO L175 Difference]: Start difference. First operand has 488 places, 1606 transitions, 44312 flow. Second operand 12 states and 1541 transitions. [2023-01-28 04:37:45,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 1434 transitions, 41728 flow [2023-01-28 04:37:48,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 1434 transitions, 40599 flow, removed 134 selfloop flow, removed 29 redundant places. [2023-01-28 04:37:48,022 INFO L231 Difference]: Finished difference. Result has 431 places, 1117 transitions, 30594 flow [2023-01-28 04:37:48,023 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=33407, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30594, PETRI_PLACES=431, PETRI_TRANSITIONS=1117} [2023-01-28 04:37:48,023 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 398 predicate places. [2023-01-28 04:37:48,023 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 1117 transitions, 30594 flow [2023-01-28 04:37:48,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 123.5625) internal successors, (1977), 16 states have internal predecessors, (1977), 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) [2023-01-28 04:37:48,023 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:37:48,024 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:37:48,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-01-28 04:37:48,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-01-28 04:37:48,224 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:37:48,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:37:48,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1610843438, now seen corresponding path program 19 times [2023-01-28 04:37:48,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:37:48,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674501758] [2023-01-28 04:37:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:37:48,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:37:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:37:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:37:48,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:37:48,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674501758] [2023-01-28 04:37:48,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674501758] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:37:48,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297769413] [2023-01-28 04:37:48,415 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-28 04:37:48,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:37:48,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:37:48,416 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:37:48,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-01-28 04:37:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:37:48,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 04:37:48,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:37:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:37:48,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:37:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:37:48,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297769413] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:37:48,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:37:48,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2023-01-28 04:37:48,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992252955] [2023-01-28 04:37:48,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:37:48,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-28 04:37:48,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:37:48,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-28 04:37:48,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2023-01-28 04:37:48,708 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:37:48,709 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 1117 transitions, 30594 flow. Second operand has 20 states, 20 states have (on average 123.55) internal successors, (2471), 20 states have internal predecessors, (2471), 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) [2023-01-28 04:37:48,709 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:37:48,709 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:37:48,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:37:54,702 INFO L130 PetriNetUnfolder]: 11984/18269 cut-off events. [2023-01-28 04:37:54,703 INFO L131 PetriNetUnfolder]: For 673621/673925 co-relation queries the response was YES. [2023-01-28 04:37:54,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211612 conditions, 18269 events. 11984/18269 cut-off events. For 673621/673925 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 118558 event pairs, 606 based on Foata normal form. 96/18346 useless extension candidates. Maximal degree in co-relation 211505. Up to 8300 conditions per place. [2023-01-28 04:37:54,921 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1185 selfloop transitions, 1060 changer transitions 0/2272 dead transitions. [2023-01-28 04:37:54,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 2272 transitions, 61549 flow [2023-01-28 04:37:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-01-28 04:37:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2023-01-28 04:37:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 5209 transitions. [2023-01-28 04:37:54,924 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36890934844192635 [2023-01-28 04:37:54,924 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 5209 transitions. [2023-01-28 04:37:54,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 5209 transitions. [2023-01-28 04:37:54,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:37:54,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 5209 transitions. [2023-01-28 04:37:54,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 130.225) internal successors, (5209), 40 states have internal predecessors, (5209), 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) [2023-01-28 04:37:54,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 353.0) internal successors, (14473), 41 states have internal predecessors, (14473), 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) [2023-01-28 04:37:54,933 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 353.0) internal successors, (14473), 41 states have internal predecessors, (14473), 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) [2023-01-28 04:37:54,933 INFO L175 Difference]: Start difference. First operand has 431 places, 1117 transitions, 30594 flow. Second operand 40 states and 5209 transitions. [2023-01-28 04:37:54,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 2272 transitions, 61549 flow [2023-01-28 04:37:59,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 2272 transitions, 56502 flow, removed 463 selfloop flow, removed 25 redundant places. [2023-01-28 04:37:59,217 INFO L231 Difference]: Finished difference. Result has 382 places, 1599 transitions, 44715 flow [2023-01-28 04:37:59,218 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=28042, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=640, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=44715, PETRI_PLACES=382, PETRI_TRANSITIONS=1599} [2023-01-28 04:37:59,218 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 349 predicate places. [2023-01-28 04:37:59,218 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 1599 transitions, 44715 flow [2023-01-28 04:37:59,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 123.55) internal successors, (2471), 20 states have internal predecessors, (2471), 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) [2023-01-28 04:37:59,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:37:59,218 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:37:59,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-01-28 04:37:59,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-01-28 04:37:59,424 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:37:59,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:37:59,424 INFO L85 PathProgramCache]: Analyzing trace with hash 748663382, now seen corresponding path program 20 times [2023-01-28 04:37:59,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:37:59,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559256577] [2023-01-28 04:37:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:37:59,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:37:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:37:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:37:59,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:37:59,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559256577] [2023-01-28 04:37:59,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559256577] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:37:59,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133961166] [2023-01-28 04:37:59,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 04:37:59,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:37:59,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:37:59,509 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:37:59,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-01-28 04:37:59,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 04:37:59,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:37:59,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 04:37:59,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:37:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:37:59,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:37:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:37:59,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133961166] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:37:59,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:37:59,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-01-28 04:37:59,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533144890] [2023-01-28 04:37:59,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:37:59,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-28 04:37:59,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:37:59,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-28 04:37:59,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2023-01-28 04:37:59,788 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:37:59,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 1599 transitions, 44715 flow. Second operand has 18 states, 18 states have (on average 123.44444444444444) internal successors, (2222), 18 states have internal predecessors, (2222), 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) [2023-01-28 04:37:59,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:37:59,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:37:59,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:38:06,040 INFO L130 PetriNetUnfolder]: 11906/18129 cut-off events. [2023-01-28 04:38:06,040 INFO L131 PetriNetUnfolder]: For 669845/670101 co-relation queries the response was YES. [2023-01-28 04:38:06,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207070 conditions, 18129 events. 11906/18129 cut-off events. For 669845/670101 co-relation queries the response was YES. Maximal size of possible extension queue 765. Compared 117475 event pairs, 1131 based on Foata normal form. 128/18236 useless extension candidates. Maximal degree in co-relation 206955. Up to 8270 conditions per place. [2023-01-28 04:38:06,269 INFO L137 encePairwiseOnDemand]: 342/353 looper letters, 747 selfloop transitions, 1022 changer transitions 0/1795 dead transitions. [2023-01-28 04:38:06,269 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 1795 transitions, 52704 flow [2023-01-28 04:38:06,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-28 04:38:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-01-28 04:38:06,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1677 transitions. [2023-01-28 04:38:06,271 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3654390934844193 [2023-01-28 04:38:06,271 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1677 transitions. [2023-01-28 04:38:06,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1677 transitions. [2023-01-28 04:38:06,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:38:06,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1677 transitions. [2023-01-28 04:38:06,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 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) [2023-01-28 04:38:06,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 353.0) internal successors, (4942), 14 states have internal predecessors, (4942), 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) [2023-01-28 04:38:06,274 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 353.0) internal successors, (4942), 14 states have internal predecessors, (4942), 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) [2023-01-28 04:38:06,274 INFO L175 Difference]: Start difference. First operand has 382 places, 1599 transitions, 44715 flow. Second operand 13 states and 1677 transitions. [2023-01-28 04:38:06,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 1795 transitions, 52704 flow [2023-01-28 04:38:11,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 1795 transitions, 49333 flow, removed 249 selfloop flow, removed 13 redundant places. [2023-01-28 04:38:11,092 INFO L231 Difference]: Finished difference. Result has 371 places, 1629 transitions, 46096 flow [2023-01-28 04:38:11,093 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=40966, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=963, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=46096, PETRI_PLACES=371, PETRI_TRANSITIONS=1629} [2023-01-28 04:38:11,094 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 338 predicate places. [2023-01-28 04:38:11,094 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 1629 transitions, 46096 flow [2023-01-28 04:38:11,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 123.44444444444444) internal successors, (2222), 18 states have internal predecessors, (2222), 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) [2023-01-28 04:38:11,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:38:11,094 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:38:11,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-01-28 04:38:11,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-01-28 04:38:11,300 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:38:11,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:38:11,300 INFO L85 PathProgramCache]: Analyzing trace with hash -941714298, now seen corresponding path program 21 times [2023-01-28 04:38:11,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:38:11,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772819047] [2023-01-28 04:38:11,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:38:11,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:38:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:38:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:38:11,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:38:11,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772819047] [2023-01-28 04:38:11,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772819047] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:38:11,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233775883] [2023-01-28 04:38:11,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-28 04:38:11,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:38:11,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:38:11,387 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:38:11,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-01-28 04:38:11,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-28 04:38:11,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:38:11,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 04:38:11,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:38:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:38:11,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:38:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:38:11,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233775883] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:38:11,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:38:11,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-01-28 04:38:11,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278969688] [2023-01-28 04:38:11,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:38:11,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 04:38:11,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:38:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 04:38:11,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2023-01-28 04:38:11,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:38:11,667 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 1629 transitions, 46096 flow. Second operand has 19 states, 19 states have (on average 123.15789473684211) internal successors, (2340), 19 states have internal predecessors, (2340), 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) [2023-01-28 04:38:11,667 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:38:11,667 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:38:11,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:38:18,292 INFO L130 PetriNetUnfolder]: 12139/18428 cut-off events. [2023-01-28 04:38:18,292 INFO L131 PetriNetUnfolder]: For 675766/676008 co-relation queries the response was YES. [2023-01-28 04:38:18,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207893 conditions, 18428 events. 12139/18428 cut-off events. For 675766/676008 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 119186 event pairs, 780 based on Foata normal form. 126/18531 useless extension candidates. Maximal degree in co-relation 207781. Up to 8508 conditions per place. [2023-01-28 04:38:18,505 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 677 selfloop transitions, 1224 changer transitions 0/1926 dead transitions. [2023-01-28 04:38:18,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 1926 transitions, 55611 flow [2023-01-28 04:38:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-28 04:38:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-01-28 04:38:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2331 transitions. [2023-01-28 04:38:18,508 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3668555240793201 [2023-01-28 04:38:18,508 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2331 transitions. [2023-01-28 04:38:18,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2331 transitions. [2023-01-28 04:38:18,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:38:18,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2331 transitions. [2023-01-28 04:38:18,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 129.5) internal successors, (2331), 18 states have internal predecessors, (2331), 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) [2023-01-28 04:38:18,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 353.0) internal successors, (6707), 19 states have internal predecessors, (6707), 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) [2023-01-28 04:38:18,512 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 353.0) internal successors, (6707), 19 states have internal predecessors, (6707), 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) [2023-01-28 04:38:18,512 INFO L175 Difference]: Start difference. First operand has 371 places, 1629 transitions, 46096 flow. Second operand 18 states and 2331 transitions. [2023-01-28 04:38:18,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 1926 transitions, 55611 flow [2023-01-28 04:38:23,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 1926 transitions, 54800 flow, removed 22 selfloop flow, removed 8 redundant places. [2023-01-28 04:38:23,508 INFO L231 Difference]: Finished difference. Result has 375 places, 1678 transitions, 49379 flow [2023-01-28 04:38:23,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=44893, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=49379, PETRI_PLACES=375, PETRI_TRANSITIONS=1678} [2023-01-28 04:38:23,510 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 342 predicate places. [2023-01-28 04:38:23,510 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 1678 transitions, 49379 flow [2023-01-28 04:38:23,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 123.15789473684211) internal successors, (2340), 19 states have internal predecessors, (2340), 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) [2023-01-28 04:38:23,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:38:23,510 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:38:23,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-01-28 04:38:23,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:38:23,718 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:38:23,718 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:38:23,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1860522858, now seen corresponding path program 22 times [2023-01-28 04:38:23,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:38:23,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134837292] [2023-01-28 04:38:23,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:38:23,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:38:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:38:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:38:23,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:38:23,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134837292] [2023-01-28 04:38:23,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134837292] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:38:23,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436844820] [2023-01-28 04:38:23,804 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-28 04:38:23,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:38:23,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:38:23,805 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:38:23,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-01-28 04:38:23,934 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-28 04:38:23,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:38:23,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 04:38:23,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:38:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:38:24,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:38:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:38:24,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436844820] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:38:24,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:38:24,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2023-01-28 04:38:24,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323653717] [2023-01-28 04:38:24,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:38:24,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-28 04:38:24,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:38:24,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-28 04:38:24,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2023-01-28 04:38:24,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:38:24,098 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 1678 transitions, 49379 flow. Second operand has 21 states, 21 states have (on average 123.0952380952381) internal successors, (2585), 21 states have internal predecessors, (2585), 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) [2023-01-28 04:38:24,098 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:38:24,098 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:38:24,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:38:31,393 INFO L130 PetriNetUnfolder]: 13264/20060 cut-off events. [2023-01-28 04:38:31,394 INFO L131 PetriNetUnfolder]: For 762475/762809 co-relation queries the response was YES. [2023-01-28 04:38:31,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232742 conditions, 20060 events. 13264/20060 cut-off events. For 762475/762809 co-relation queries the response was YES. Maximal size of possible extension queue 841. Compared 130325 event pairs, 821 based on Foata normal form. 170/20204 useless extension candidates. Maximal degree in co-relation 232633. Up to 9272 conditions per place. [2023-01-28 04:38:31,752 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1171 selfloop transitions, 1067 changer transitions 0/2263 dead transitions. [2023-01-28 04:38:31,752 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 2263 transitions, 67946 flow [2023-01-28 04:38:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-28 04:38:31,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-01-28 04:38:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2334 transitions. [2023-01-28 04:38:31,755 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36732766761095376 [2023-01-28 04:38:31,755 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2334 transitions. [2023-01-28 04:38:31,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2334 transitions. [2023-01-28 04:38:31,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:38:31,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2334 transitions. [2023-01-28 04:38:31,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 129.66666666666666) internal successors, (2334), 18 states have internal predecessors, (2334), 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) [2023-01-28 04:38:31,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 353.0) internal successors, (6707), 19 states have internal predecessors, (6707), 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) [2023-01-28 04:38:31,759 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 353.0) internal successors, (6707), 19 states have internal predecessors, (6707), 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) [2023-01-28 04:38:31,759 INFO L175 Difference]: Start difference. First operand has 375 places, 1678 transitions, 49379 flow. Second operand 18 states and 2334 transitions. [2023-01-28 04:38:31,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 2263 transitions, 67946 flow [2023-01-28 04:38:37,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 2263 transitions, 66589 flow, removed 8 selfloop flow, removed 10 redundant places. [2023-01-28 04:38:37,915 INFO L231 Difference]: Finished difference. Result has 386 places, 1881 transitions, 58220 flow [2023-01-28 04:38:37,916 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=48177, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=880, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=58220, PETRI_PLACES=386, PETRI_TRANSITIONS=1881} [2023-01-28 04:38:37,917 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 353 predicate places. [2023-01-28 04:38:37,917 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 1881 transitions, 58220 flow [2023-01-28 04:38:37,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 123.0952380952381) internal successors, (2585), 21 states have internal predecessors, (2585), 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) [2023-01-28 04:38:37,917 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:38:37,917 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:38:37,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-01-28 04:38:38,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:38:38,121 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:38:38,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:38:38,121 INFO L85 PathProgramCache]: Analyzing trace with hash 97842876, now seen corresponding path program 23 times [2023-01-28 04:38:38,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:38:38,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934043494] [2023-01-28 04:38:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:38:38,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:38:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:38:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:38:38,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:38:38,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934043494] [2023-01-28 04:38:38,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934043494] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:38:38,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134446213] [2023-01-28 04:38:38,218 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-28 04:38:38,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:38:38,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:38:38,221 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:38:38,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-01-28 04:38:38,360 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-28 04:38:38,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:38:38,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-28 04:38:38,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:38:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:38:38,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:38:38,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:38:38,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134446213] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:38:38,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:38:38,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 19 [2023-01-28 04:38:38,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539674085] [2023-01-28 04:38:38,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:38:38,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 04:38:38,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:38:38,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 04:38:38,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2023-01-28 04:38:38,499 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 353 [2023-01-28 04:38:38,500 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 1881 transitions, 58220 flow. Second operand has 19 states, 19 states have (on average 121.05263157894737) internal successors, (2300), 19 states have internal predecessors, (2300), 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) [2023-01-28 04:38:38,500 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:38:38,500 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 353 [2023-01-28 04:38:38,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:38:51,276 INFO L130 PetriNetUnfolder]: 18502/27610 cut-off events. [2023-01-28 04:38:51,276 INFO L131 PetriNetUnfolder]: For 1068983/1068983 co-relation queries the response was YES. [2023-01-28 04:38:51,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325178 conditions, 27610 events. 18502/27610 cut-off events. For 1068983/1068983 co-relation queries the response was YES. Maximal size of possible extension queue 1117. Compared 180556 event pairs, 375 based on Foata normal form. 30/27640 useless extension candidates. Maximal degree in co-relation 325064. Up to 12632 conditions per place. [2023-01-28 04:38:51,840 INFO L137 encePairwiseOnDemand]: 339/353 looper letters, 1243 selfloop transitions, 2839 changer transitions 0/4082 dead transitions. [2023-01-28 04:38:51,840 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 4082 transitions, 119242 flow [2023-01-28 04:38:51,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-01-28 04:38:51,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2023-01-28 04:38:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 14904 transitions. [2023-01-28 04:38:51,848 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35479800985550025 [2023-01-28 04:38:51,848 INFO L72 ComplementDD]: Start complementDD. Operand 119 states and 14904 transitions. [2023-01-28 04:38:51,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 14904 transitions. [2023-01-28 04:38:51,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:38:51,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 119 states and 14904 transitions. [2023-01-28 04:38:51,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 120 states, 119 states have (on average 125.24369747899159) internal successors, (14904), 119 states have internal predecessors, (14904), 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) [2023-01-28 04:38:51,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 120 states, 120 states have (on average 353.0) internal successors, (42360), 120 states have internal predecessors, (42360), 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) [2023-01-28 04:38:51,883 INFO L81 ComplementDD]: Finished complementDD. Result has 120 states, 120 states have (on average 353.0) internal successors, (42360), 120 states have internal predecessors, (42360), 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) [2023-01-28 04:38:51,883 INFO L175 Difference]: Start difference. First operand has 386 places, 1881 transitions, 58220 flow. Second operand 119 states and 14904 transitions. [2023-01-28 04:38:51,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 4082 transitions, 119242 flow [2023-01-28 04:39:02,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 4082 transitions, 118809 flow, removed 20 selfloop flow, removed 5 redundant places. [2023-01-28 04:39:02,863 INFO L231 Difference]: Finished difference. Result has 523 places, 3227 transitions, 103098 flow [2023-01-28 04:39:02,864 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=57882, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1880, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=119, PETRI_FLOW=103098, PETRI_PLACES=523, PETRI_TRANSITIONS=3227} [2023-01-28 04:39:02,864 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 490 predicate places. [2023-01-28 04:39:02,864 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 3227 transitions, 103098 flow [2023-01-28 04:39:02,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 121.05263157894737) internal successors, (2300), 19 states have internal predecessors, (2300), 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) [2023-01-28 04:39:02,865 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:39:02,865 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:39:02,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-01-28 04:39:03,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2023-01-28 04:39:03,065 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:39:03,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:39:03,066 INFO L85 PathProgramCache]: Analyzing trace with hash 781787180, now seen corresponding path program 24 times [2023-01-28 04:39:03,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:39:03,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84386258] [2023-01-28 04:39:03,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:39:03,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:39:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:39:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:39:03,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:39:03,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84386258] [2023-01-28 04:39:03,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84386258] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:39:03,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473547354] [2023-01-28 04:39:03,148 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-28 04:39:03,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:39:03,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:39:03,149 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:39:03,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-01-28 04:39:03,294 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-28 04:39:03,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 04:39:03,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 04:39:03,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:39:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:39:03,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:39:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 04:39:03,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473547354] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:39:03,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:39:03,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-01-28 04:39:03,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658739204] [2023-01-28 04:39:03,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:39:03,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 04:39:03,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:39:03,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 04:39:03,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-01-28 04:39:03,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:39:03,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 3227 transitions, 103098 flow. Second operand has 19 states, 19 states have (on average 123.3157894736842) internal successors, (2343), 19 states have internal predecessors, (2343), 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) [2023-01-28 04:39:03,449 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:39:03,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:39:03,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:39:19,188 INFO L130 PetriNetUnfolder]: 18231/27275 cut-off events. [2023-01-28 04:39:19,188 INFO L131 PetriNetUnfolder]: For 1216068/1216262 co-relation queries the response was YES. [2023-01-28 04:39:19,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343033 conditions, 27275 events. 18231/27275 cut-off events. For 1216068/1216262 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 179899 event pairs, 1602 based on Foata normal form. 82/27328 useless extension candidates. Maximal degree in co-relation 342896. Up to 12669 conditions per place. [2023-01-28 04:39:19,659 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1150 selfloop transitions, 2174 changer transitions 0/3425 dead transitions. [2023-01-28 04:39:19,659 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 3425 transitions, 113037 flow [2023-01-28 04:39:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-28 04:39:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-01-28 04:39:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2191 transitions. [2023-01-28 04:39:19,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36510581569738376 [2023-01-28 04:39:19,661 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2191 transitions. [2023-01-28 04:39:19,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2191 transitions. [2023-01-28 04:39:19,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:39:19,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2191 transitions. [2023-01-28 04:39:19,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 128.88235294117646) internal successors, (2191), 17 states have internal predecessors, (2191), 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) [2023-01-28 04:39:19,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 353.0) internal successors, (6354), 18 states have internal predecessors, (6354), 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) [2023-01-28 04:39:19,665 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 353.0) internal successors, (6354), 18 states have internal predecessors, (6354), 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) [2023-01-28 04:39:19,665 INFO L175 Difference]: Start difference. First operand has 523 places, 3227 transitions, 103098 flow. Second operand 17 states and 2191 transitions. [2023-01-28 04:39:19,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 3425 transitions, 113037 flow [2023-01-28 04:39:35,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 3425 transitions, 108943 flow, removed 727 selfloop flow, removed 15 redundant places. [2023-01-28 04:39:35,136 INFO L231 Difference]: Finished difference. Result has 523 places, 3238 transitions, 104022 flow [2023-01-28 04:39:35,138 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=98785, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=104022, PETRI_PLACES=523, PETRI_TRANSITIONS=3238} [2023-01-28 04:39:35,138 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 490 predicate places. [2023-01-28 04:39:35,138 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 3238 transitions, 104022 flow [2023-01-28 04:39:35,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 123.3157894736842) internal successors, (2343), 19 states have internal predecessors, (2343), 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) [2023-01-28 04:39:35,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:39:35,139 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:39:35,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2023-01-28 04:39:35,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:39:35,340 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:39:35,340 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:39:35,340 INFO L85 PathProgramCache]: Analyzing trace with hash -89885484, now seen corresponding path program 25 times [2023-01-28 04:39:35,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:39:35,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232421149] [2023-01-28 04:39:35,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:39:35,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:39:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:39:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:39:35,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:39:35,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232421149] [2023-01-28 04:39:35,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232421149] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:39:35,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682420117] [2023-01-28 04:39:35,422 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-28 04:39:35,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:39:35,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:39:35,424 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:39:35,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-01-28 04:39:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:39:35,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-28 04:39:35,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:39:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:39:35,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 04:39:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-28 04:39:35,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682420117] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 04:39:35,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 04:39:35,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-01-28 04:39:35,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156907139] [2023-01-28 04:39:35,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 04:39:35,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-28 04:39:35,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 04:39:35,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-28 04:39:35,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2023-01-28 04:39:35,698 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-28 04:39:35,699 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 3238 transitions, 104022 flow. Second operand has 19 states, 19 states have (on average 123.3157894736842) internal successors, (2343), 19 states have internal predecessors, (2343), 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) [2023-01-28 04:39:35,699 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 04:39:35,699 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-28 04:39:35,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 04:39:51,539 INFO L130 PetriNetUnfolder]: 18188/27193 cut-off events. [2023-01-28 04:39:51,539 INFO L131 PetriNetUnfolder]: For 1244767/1244893 co-relation queries the response was YES. [2023-01-28 04:39:51,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346362 conditions, 27193 events. 18188/27193 cut-off events. For 1244767/1244893 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 178723 event pairs, 1061 based on Foata normal form. 74/27244 useless extension candidates. Maximal degree in co-relation 346233. Up to 12355 conditions per place. [2023-01-28 04:39:51,945 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 985 selfloop transitions, 2346 changer transitions 0/3432 dead transitions. [2023-01-28 04:39:51,945 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 3432 transitions, 113862 flow [2023-01-28 04:39:51,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-28 04:39:51,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-28 04:39:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2061 transitions. [2023-01-28 04:39:51,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3649079320113314 [2023-01-28 04:39:51,947 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2061 transitions. [2023-01-28 04:39:51,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2061 transitions. [2023-01-28 04:39:51,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 04:39:51,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2061 transitions. [2023-01-28 04:39:51,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 128.8125) internal successors, (2061), 16 states have internal predecessors, (2061), 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) [2023-01-28 04:39:51,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 04:39:51,950 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 353.0) internal successors, (6001), 17 states have internal predecessors, (6001), 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) [2023-01-28 04:39:51,950 INFO L175 Difference]: Start difference. First operand has 523 places, 3238 transitions, 104022 flow. Second operand 16 states and 2061 transitions. [2023-01-28 04:39:51,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 3432 transitions, 113862 flow [2023-01-28 04:40:06,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 3432 transitions, 113789 flow, removed 3 selfloop flow, removed 5 redundant places. [2023-01-28 04:40:06,528 INFO L231 Difference]: Finished difference. Result has 533 places, 3253 transitions, 109712 flow [2023-01-28 04:40:06,530 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=103931, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2330, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=905, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=109712, PETRI_PLACES=533, PETRI_TRANSITIONS=3253} [2023-01-28 04:40:06,531 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 500 predicate places. [2023-01-28 04:40:06,531 INFO L495 AbstractCegarLoop]: Abstraction has has 533 places, 3253 transitions, 109712 flow [2023-01-28 04:40:06,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 123.3157894736842) internal successors, (2343), 19 states have internal predecessors, (2343), 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) [2023-01-28 04:40:06,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 04:40:06,531 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 04:40:06,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2023-01-28 04:40:06,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:40:06,735 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 04:40:06,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 04:40:06,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1837739975, now seen corresponding path program 7 times [2023-01-28 04:40:06,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 04:40:06,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698299588] [2023-01-28 04:40:06,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 04:40:06,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 04:40:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:40:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 04:40:07,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 04:40:07,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698299588] [2023-01-28 04:40:07,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698299588] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 04:40:07,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349507724] [2023-01-28 04:40:07,819 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-28 04:40:07,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 04:40:07,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 04:40:07,820 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 04:40:07,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process Received shutdown request... [2023-01-28 04:40:07,944 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-28 04:40:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 04:40:07,971 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-28 04:40:07,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 97 conjunts are in the unsatisfiable core [2023-01-28 04:40:07,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 04:40:07,978 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-01-28 04:40:07,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2023-01-28 04:40:08,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2023-01-28 04:40:08,179 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ATOM-1 context. [2023-01-28 04:40:08,180 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-01-28 04:40:08,181 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-01-28 04:40:08,181 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-01-28 04:40:08,181 INFO L445 BasicCegarLoop]: Path program histogram: [25, 7, 1, 1, 1] [2023-01-28 04:40:08,183 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 04:40:08,183 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 04:40:08,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 04:40:08 BasicIcfg [2023-01-28 04:40:08,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 04:40:08,186 INFO L158 Benchmark]: Toolchain (without parser) took 810742.96ms. Allocated memory was 348.1MB in the beginning and 8.3GB in the end (delta: 8.0GB). Free memory was 317.2MB in the beginning and 5.2GB in the end (delta: -4.9GB). Peak memory consumption was 3.1GB. Max. memory is 16.0GB. [2023-01-28 04:40:08,186 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 255.9MB. Free memory is still 213.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 04:40:08,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.53ms. Allocated memory is still 348.1MB. Free memory was 317.2MB in the beginning and 305.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-01-28 04:40:08,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.46ms. Allocated memory is still 348.1MB. Free memory was 305.2MB in the beginning and 302.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-01-28 04:40:08,186 INFO L158 Benchmark]: Boogie Preprocessor took 40.27ms. Allocated memory is still 348.1MB. Free memory was 302.5MB in the beginning and 300.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 04:40:08,186 INFO L158 Benchmark]: RCFGBuilder took 690.88ms. Allocated memory is still 348.1MB. Free memory was 300.4MB in the beginning and 307.9MB in the end (delta: -7.6MB). Peak memory consumption was 54.8MB. Max. memory is 16.0GB. [2023-01-28 04:40:08,187 INFO L158 Benchmark]: TraceAbstraction took 809774.91ms. Allocated memory was 348.1MB in the beginning and 8.3GB in the end (delta: 8.0GB). Free memory was 307.9MB in the beginning and 5.2GB in the end (delta: -4.9GB). Peak memory consumption was 3.1GB. Max. memory is 16.0GB. [2023-01-28 04:40:08,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 255.9MB. Free memory is still 213.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 183.53ms. Allocated memory is still 348.1MB. Free memory was 317.2MB in the beginning and 305.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 47.46ms. Allocated memory is still 348.1MB. Free memory was 305.2MB in the beginning and 302.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 40.27ms. Allocated memory is still 348.1MB. Free memory was 302.5MB in the beginning and 300.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 690.88ms. Allocated memory is still 348.1MB. Free memory was 300.4MB in the beginning and 307.9MB in the end (delta: -7.6MB). Peak memory consumption was 54.8MB. Max. memory is 16.0GB. * TraceAbstraction took 809774.91ms. Allocated memory was 348.1MB in the beginning and 8.3GB in the end (delta: 8.0GB). Free memory was 307.9MB in the beginning and 5.2GB in the end (delta: -4.9GB). Peak memory consumption was 3.1GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 164 PlacesBefore, 33 PlacesAfterwards, 170 TransitionsBefore, 28 TransitionsAfterwards, 1518 CoEnabledTransitionPairs, 8 FixpointIterations, 99 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 6 ConcurrentYvCompositions, 11 ChoiceCompositions, 170 TotalNumberOfCompositions, 2268 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1923, independent: 1870, independent conditional: 0, independent unconditional: 1870, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 813, independent: 796, independent conditional: 0, independent unconditional: 796, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1923, independent: 1074, independent conditional: 0, independent unconditional: 1074, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 813, unknown conditional: 0, unknown unconditional: 813] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 32 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 201 locations, 4 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: 809.7s, OverallIterations: 35, TraceHistogramMax: 2, PathProgramHistogramMax: 25, EmptinessCheckTime: 0.0s, AutomataDifference: 556.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7890 SdHoareTripleChecker+Valid, 17.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7890 mSDsluCounter, 2433 SdHoareTripleChecker+Invalid, 14.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 337 IncrementalHoareTripleChecker+Unchecked, 2209 mSDsCounter, 701 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35034 IncrementalHoareTripleChecker+Invalid, 36072 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 701 mSolverCounterUnsat, 224 mSDtfsCounter, 35034 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2774 GetRequests, 1277 SyntacticMatches, 53 SemanticMatches, 1444 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 24548 ImplicationChecksByTransitivity, 32.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126448occurred in iteration=19, InterpolantAutomatonStates: 972, 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: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 235.8s InterpolantComputationTime, 1784 NumberOfCodeBlocks, 1784 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 2556 ConstructedInterpolants, 23 QuantifiedInterpolants, 23103 SizeOfPredicates, 530 NumberOfNonLiveVariables, 10167 ConjunctsInSsa, 1046 ConjunctsInUnsatCore, 98 InterpolantComputations, 3 PerfectInterpolantSequences, 306/559 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown