/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 -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 [2023-01-27 21:52:24,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 21:52:24,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 21:52:24,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 21:52:24,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 21:52:24,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 21:52:24,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 21:52:24,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 21:52:24,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 21:52:24,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 21:52:24,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 21:52:24,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 21:52:24,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 21:52:24,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 21:52:24,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 21:52:24,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 21:52:24,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 21:52:24,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 21:52:24,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 21:52:24,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 21:52:24,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 21:52:24,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 21:52:24,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 21:52:24,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 21:52:24,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-27 21:52:24,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-27 21:52:24,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-27 21:52:24,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-27 21:52:24,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-27 21:52:24,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-27 21:52:24,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-27 21:52:24,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-27 21:52:24,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-27 21:52:24,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 21:52:24,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 21:52:24,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 21:52:24,719 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 [2023-01-27 21:52:24,731 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 21:52:24,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 21:52:24,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 21:52:24,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 21:52:24,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 21:52:24,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 21:52:24,732 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 21:52:24,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 21:52:24,733 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 21:52:24,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 21:52:24,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 21:52:24,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 21:52:24,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 21:52:24,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 21:52:24,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 21:52:24,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 21:52:24,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 21:52:24,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 21:52:24,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 21:52:24,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 21:52:24,735 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 21:52:24,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 21:52:24,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 21:52:24,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 21:52:24,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 21:52:24,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 21:52:24,881 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 21:52:24,882 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 21:52:24,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-01-27 21:52:25,812 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 21:52:25,964 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 21:52:25,964 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-01-27 21:52:25,968 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d1b0c39/f3d9bb1c8b1e47f889f4391da2ac2041/FLAGd9294ec54 [2023-01-27 21:52:25,976 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d1b0c39/f3d9bb1c8b1e47f889f4391da2ac2041 [2023-01-27 21:52:25,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 21:52:25,979 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 21:52:25,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 21:52:25,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 21:52:25,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 21:52:25,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 09:52:25" (1/1) ... [2023-01-27 21:52:25,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a81121c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:25, skipping insertion in model container [2023-01-27 21:52:25,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 09:52:25" (1/1) ... [2023-01-27 21:52:25,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 21:52:25,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 21:52:26,086 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] [2023-01-27 21:52:26,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 21:52:26,098 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 21:52:26,112 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] [2023-01-27 21:52:26,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 21:52:26,120 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 21:52:26,120 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 21:52:26,124 INFO L208 MainTranslator]: Completed translation [2023-01-27 21:52:26,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26 WrapperNode [2023-01-27 21:52:26,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 21:52:26,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 21:52:26,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 21:52:26,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 21:52:26,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,162 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 284 [2023-01-27 21:52:26,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 21:52:26,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 21:52:26,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 21:52:26,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 21:52:26,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,189 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 21:52:26,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 21:52:26,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 21:52:26,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 21:52:26,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (1/1) ... [2023-01-27 21:52:26,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 21:52:26,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:52:26,219 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) [2023-01-27 21:52:26,228 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 [2023-01-27 21:52:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 21:52:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 21:52:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 21:52:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-27 21:52:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-27 21:52:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-27 21:52:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-27 21:52:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-27 21:52:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-27 21:52:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-27 21:52:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 21:52:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-27 21:52:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-27 21:52:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-27 21:52:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 21:52:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 21:52:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 21:52:26,253 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 21:52:26,396 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 21:52:26,397 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 21:52:26,688 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 21:52:26,842 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 21:52:26,843 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-01-27 21:52:26,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 09:52:26 BoogieIcfgContainer [2023-01-27 21:52:26,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 21:52:26,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 21:52:26,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 21:52:26,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 21:52:26,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 09:52:25" (1/3) ... [2023-01-27 21:52:26,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33abb95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 09:52:26, skipping insertion in model container [2023-01-27 21:52:26,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 09:52:26" (2/3) ... [2023-01-27 21:52:26,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33abb95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 09:52:26, skipping insertion in model container [2023-01-27 21:52:26,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 09:52:26" (3/3) ... [2023-01-27 21:52:26,851 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2023-01-27 21:52:26,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 21:52:26,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-27 21:52:26,862 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 21:52:26,926 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-27 21:52:26,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 183 transitions, 390 flow [2023-01-27 21:52:27,017 INFO L130 PetriNetUnfolder]: 16/180 cut-off events. [2023-01-27 21:52:27,017 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-27 21:52:27,021 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. [2023-01-27 21:52:27,021 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 183 transitions, 390 flow [2023-01-27 21:52:27,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 170 transitions, 358 flow [2023-01-27 21:52:27,029 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 21:52:27,043 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 170 transitions, 358 flow [2023-01-27 21:52:27,045 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 170 transitions, 358 flow [2023-01-27 21:52:27,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 170 transitions, 358 flow [2023-01-27 21:52:27,068 INFO L130 PetriNetUnfolder]: 16/170 cut-off events. [2023-01-27 21:52:27,068 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-27 21:52:27,069 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. [2023-01-27 21:52:27,070 INFO L119 LiptonReduction]: Number of co-enabled transitions 1518 [2023-01-27 21:52:31,646 INFO L134 LiptonReduction]: Checked pairs total: 2268 [2023-01-27 21:52:31,646 INFO L136 LiptonReduction]: Total number of compositions: 170 [2023-01-27 21:52:31,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 21:52:31,659 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;@48f6e280, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 21:52:31,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-27 21:52:31,663 INFO L130 PetriNetUnfolder]: 5/27 cut-off events. [2023-01-27 21:52:31,663 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-27 21:52:31,663 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:52:31,664 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] [2023-01-27 21:52:31,664 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)] === [2023-01-27 21:52:31,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:52:31,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2134572771, now seen corresponding path program 1 times [2023-01-27 21:52:31,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:52:31,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294289629] [2023-01-27 21:52:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:52:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:52:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:52:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:52:32,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:52:32,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294289629] [2023-01-27 21:52:32,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294289629] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 21:52:32,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 21:52:32,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-27 21:52:32,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020738043] [2023-01-27 21:52:32,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 21:52:32,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-27 21:52:32,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:52:32,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-27 21:52:32,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-01-27 21:52:32,106 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 353 [2023-01-27 21:52:32,110 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) [2023-01-27 21:52:32,110 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:52:32,110 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 353 [2023-01-27 21:52:32,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:52:32,261 INFO L130 PetriNetUnfolder]: 531/736 cut-off events. [2023-01-27 21:52:32,261 INFO L131 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2023-01-27 21:52:32,265 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. [2023-01-27 21:52:32,270 INFO L137 encePairwiseOnDemand]: 348/353 looper letters, 33 selfloop transitions, 4 changer transitions 0/39 dead transitions. [2023-01-27 21:52:32,270 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 176 flow [2023-01-27 21:52:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-27 21:52:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-27 21:52:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 622 transitions. [2023-01-27 21:52:32,281 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4405099150141643 [2023-01-27 21:52:32,281 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 622 transitions. [2023-01-27 21:52:32,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 622 transitions. [2023-01-27 21:52:32,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:52:32,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 622 transitions. [2023-01-27 21:52:32,289 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) [2023-01-27 21:52:32,294 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) [2023-01-27 21:52:32,294 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) [2023-01-27 21:52:32,296 INFO L175 Difference]: Start difference. First operand has 33 places, 28 transitions, 74 flow. Second operand 4 states and 622 transitions. [2023-01-27 21:52:32,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 39 transitions, 176 flow [2023-01-27 21:52:32,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 39 transitions, 160 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-01-27 21:52:32,301 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 83 flow [2023-01-27 21:52:32,302 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} [2023-01-27 21:52:32,305 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -1 predicate places. [2023-01-27 21:52:32,305 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 83 flow [2023-01-27 21:52:32,305 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) [2023-01-27 21:52:32,305 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:52:32,305 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] [2023-01-27 21:52:32,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-27 21:52:32,306 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)] === [2023-01-27 21:52:32,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:52:32,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1985121884, now seen corresponding path program 1 times [2023-01-27 21:52:32,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:52:32,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706145303] [2023-01-27 21:52:32,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:52:32,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:52:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:52:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:52:32,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:52:32,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706145303] [2023-01-27 21:52:32,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706145303] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 21:52:32,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 21:52:32,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-27 21:52:32,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026210711] [2023-01-27 21:52:32,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 21:52:32,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-27 21:52:32,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:52:32,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-27 21:52:32,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-01-27 21:52:32,460 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 353 [2023-01-27 21:52:32,460 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) [2023-01-27 21:52:32,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:52:32,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 353 [2023-01-27 21:52:32,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:52:32,594 INFO L130 PetriNetUnfolder]: 532/741 cut-off events. [2023-01-27 21:52:32,595 INFO L131 PetriNetUnfolder]: For 185/185 co-relation queries the response was YES. [2023-01-27 21:52:32,596 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. [2023-01-27 21:52:32,598 INFO L137 encePairwiseOnDemand]: 347/353 looper letters, 34 selfloop transitions, 5 changer transitions 3/44 dead transitions. [2023-01-27 21:52:32,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 199 flow [2023-01-27 21:52:32,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-27 21:52:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-01-27 21:52:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 788 transitions. [2023-01-27 21:52:32,600 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3720491029272899 [2023-01-27 21:52:32,601 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 788 transitions. [2023-01-27 21:52:32,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 788 transitions. [2023-01-27 21:52:32,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:52:32,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 788 transitions. [2023-01-27 21:52:32,602 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) [2023-01-27 21:52:32,605 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) [2023-01-27 21:52:32,605 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) [2023-01-27 21:52:32,605 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 83 flow. Second operand 6 states and 788 transitions. [2023-01-27 21:52:32,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 199 flow [2023-01-27 21:52:32,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 44 transitions, 195 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-01-27 21:52:32,607 INFO L231 Difference]: Finished difference. Result has 38 places, 31 transitions, 109 flow [2023-01-27 21:52:32,607 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} [2023-01-27 21:52:32,608 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places. [2023-01-27 21:52:32,608 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 109 flow [2023-01-27 21:52:32,608 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) [2023-01-27 21:52:32,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:52:32,608 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] [2023-01-27 21:52:32,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-27 21:52:32,609 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)] === [2023-01-27 21:52:32,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:52:32,609 INFO L85 PathProgramCache]: Analyzing trace with hash 963886311, now seen corresponding path program 1 times [2023-01-27 21:52:32,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:52:32,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843905907] [2023-01-27 21:52:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:52:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:52:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:52:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:52:32,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:52:32,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843905907] [2023-01-27 21:52:32,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843905907] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:52:32,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034787733] [2023-01-27 21:52:32,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:52:32,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:52:32,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:52:32,682 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) [2023-01-27 21:52:32,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-01-27 21:52:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:52:32,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjunts are in the unsatisfiable core [2023-01-27 21:52:32,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:52:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:52:32,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:52:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:52:32,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034787733] provided 1 perfect and 1 imperfect interpolant sequences [2023-01-27 21:52:32,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-01-27 21:52:32,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-01-27 21:52:32,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709546509] [2023-01-27 21:52:32,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 21:52:32,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-27 21:52:32,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:52:32,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-27 21:52:32,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-01-27 21:52:32,870 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 353 [2023-01-27 21:52:32,871 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) [2023-01-27 21:52:32,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:52:32,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 353 [2023-01-27 21:52:32,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:52:32,961 INFO L130 PetriNetUnfolder]: 508/732 cut-off events. [2023-01-27 21:52:32,961 INFO L131 PetriNetUnfolder]: For 179/215 co-relation queries the response was YES. [2023-01-27 21:52:32,963 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. [2023-01-27 21:52:32,965 INFO L137 encePairwiseOnDemand]: 348/353 looper letters, 38 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-01-27 21:52:32,965 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 44 transitions, 233 flow [2023-01-27 21:52:32,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-27 21:52:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-01-27 21:52:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 680 transitions. [2023-01-27 21:52:32,968 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38526912181303113 [2023-01-27 21:52:32,968 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 680 transitions. [2023-01-27 21:52:32,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 680 transitions. [2023-01-27 21:52:32,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:52:32,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 680 transitions. [2023-01-27 21:52:32,969 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) [2023-01-27 21:52:32,971 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) [2023-01-27 21:52:32,972 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) [2023-01-27 21:52:32,972 INFO L175 Difference]: Start difference. First operand has 38 places, 31 transitions, 109 flow. Second operand 5 states and 680 transitions. [2023-01-27 21:52:32,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 44 transitions, 233 flow [2023-01-27 21:52:32,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 44 transitions, 227 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-01-27 21:52:32,974 INFO L231 Difference]: Finished difference. Result has 39 places, 32 transitions, 119 flow [2023-01-27 21:52:32,974 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} [2023-01-27 21:52:32,975 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2023-01-27 21:52:32,975 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 119 flow [2023-01-27 21:52:32,975 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) [2023-01-27 21:52:32,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:52:32,975 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] [2023-01-27 21:52:32,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-01-27 21:52:33,180 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 [2023-01-27 21:52:33,180 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)] === [2023-01-27 21:52:33,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:52:33,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1831077328, now seen corresponding path program 1 times [2023-01-27 21:52:33,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:52:33,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640210974] [2023-01-27 21:52:33,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:52:33,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:52:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:52:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:52:34,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:52:34,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640210974] [2023-01-27 21:52:34,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640210974] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:52:34,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076762720] [2023-01-27 21:52:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:52:34,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:52:34,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:52:34,673 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) [2023-01-27 21:52:34,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-27 21:52:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:52:34,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 81 conjunts are in the unsatisfiable core [2023-01-27 21:52:34,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:52:34,989 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 [2023-01-27 21:52:35,076 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 [2023-01-27 21:52:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-27 21:52:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-27 21:52:35,251 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-01-27 21:52:35,252 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 [2023-01-27 21:52:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-27 21:52:35,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-27 21:52:35,369 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-01-27 21:52:35,369 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 [2023-01-27 21:52:35,464 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-27 21:52:35,464 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 [2023-01-27 21:52:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:52:35,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:52:35,814 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 [2023-01-27 21:52:36,252 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:52:36,252 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 [2023-01-27 21:52:36,345 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:52:36,346 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 [2023-01-27 21:52:36,793 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:52:36,794 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 [2023-01-27 21:52:36,829 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:52:36,830 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 [2023-01-27 21:52:36,887 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:52:36,888 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 [2023-01-27 21:52:44,664 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:45,919 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:46,542 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:52:46,617 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:52:46,872 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:47,100 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:47,247 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:52:47,333 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:52:47,376 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:47,422 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:52:47,604 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:52:47,967 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:48,159 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:52:48,483 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:52:49,267 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:49,464 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:52:49,673 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:49,760 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:52:49,877 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:52:50,240 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:52:50,288 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:50,381 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:50,544 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:50,583 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:50,692 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:52:50,725 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:50,765 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:52:50,835 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:51,009 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:52:51,672 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:51,760 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:52:51,810 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:51,863 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:51,871 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:52,413 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:52,444 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:52:52,514 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:52,570 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:54,308 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:54,406 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:54,436 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:54,727 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:54,739 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:54,909 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:54,940 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:55,502 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:52:55,832 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:52:56,250 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:56,454 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:52:56,469 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:56,587 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:57,267 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:52:57,291 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:57,404 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:57,616 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:57,631 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:52:57,798 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:52:58,106 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:52:58,398 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:52:58,490 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:52:59,366 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:00,177 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:00,876 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-27 21:53:02,350 WARN L718 sPolynomialRelations]: Constructing 16384(two to the power of 14 dual juncts. [2023-01-27 21:53:02,545 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:03,174 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-27 21:53:03,394 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:03,449 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:03,769 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:03,818 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:03,864 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:03,879 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:04,215 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:04,405 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:04,713 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:04,867 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:05,296 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:05,366 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:05,446 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:05,602 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:05,849 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:06,343 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:06,445 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:06,482 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:06,729 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:06,806 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:06,855 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:06,916 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:07,044 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:07,106 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:07,417 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:07,482 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:07,564 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:07,635 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:07,990 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:08,058 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:08,087 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:08,135 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:08,420 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:08,440 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:08,732 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:08,792 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:08,845 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:09,110 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:09,281 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:09,477 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:09,587 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:09,602 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:09,797 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:09,974 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:10,061 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-27 21:53:10,081 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:10,727 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:11,373 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:11,690 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:11,952 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:11,983 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:12,268 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:12,420 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:12,548 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:12,628 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:12,777 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:12,819 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:12,886 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:12,969 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:13,046 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:13,183 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:13,251 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:13,319 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:13,420 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:13,596 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:13,692 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:13,807 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:14,007 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:14,047 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:14,111 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:14,156 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:14,520 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:14,537 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:14,547 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:14,764 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:14,791 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:14,815 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:14,842 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:14,861 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:15,247 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:15,283 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:15,341 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:15,385 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:15,505 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:15,611 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:15,643 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:15,671 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:15,803 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:16,050 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:16,173 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:16,240 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:16,404 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:16,453 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:16,476 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:16,492 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:16,608 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:16,750 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:16,826 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:16,936 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:16,967 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:17,109 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:17,262 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:17,279 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:17,612 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:17,653 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:17,723 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:17,771 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:17,857 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:17,891 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:17,927 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:17,939 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:17,960 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:18,004 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:18,015 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:18,194 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:18,281 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:18,399 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:18,566 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:18,811 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:19,061 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:19,117 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:19,157 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:19,226 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:19,412 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:19,503 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:19,555 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:19,593 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:19,690 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:19,848 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:19,864 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:19,976 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:20,105 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:20,186 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:20,252 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:20,342 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:20,414 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:20,436 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:20,461 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:20,482 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:20,523 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:20,534 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:20,569 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:20,579 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:20,585 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:20,634 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:20,645 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:20,665 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:20,693 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:20,849 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:20,923 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:20,941 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:20,967 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:21,022 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:21,044 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:21,199 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:21,216 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:21,686 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:21,741 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:21,753 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:21,782 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:21,817 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:22,204 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:22,293 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:22,346 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:22,360 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:22,419 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:22,432 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:22,533 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:22,547 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:22,624 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:22,646 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:22,659 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:22,698 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:22,784 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:22,817 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:22,835 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:22,855 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:22,947 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:22,970 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:22,987 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:23,002 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:23,657 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:23,697 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:24,021 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:24,075 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:25,005 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:25,444 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:25,911 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:25,960 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:26,061 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:26,283 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:26,373 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:26,465 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:26,652 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:26,673 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:26,775 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:26,895 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:27,006 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:27,078 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:27,341 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:27,403 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:27,532 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:27,649 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:27,664 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:27,835 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:27,893 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:28,004 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:28,055 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:28,104 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:28,164 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:28,235 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:28,245 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:28,265 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:28,283 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:28,509 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:28,659 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:28,751 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:29,239 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:29,546 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:29,562 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:29,903 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:30,001 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:30,643 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-27 21:53:30,768 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:31,022 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:31,307 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:31,642 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:31,688 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:31,802 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:31,933 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:31,948 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:32,062 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:32,236 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:32,394 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:32,577 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:32,708 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:32,723 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:33,059 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:33,095 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:33,107 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:33,237 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:33,284 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:33,584 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:33,729 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:33,831 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:33,894 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:34,067 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:34,512 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:34,956 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:34,988 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:35,058 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:35,107 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:36,962 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:39,240 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:40,110 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:40,482 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:40,527 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:40,761 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:40,872 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:40,888 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:40,909 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:41,008 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:41,051 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:41,077 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:42,058 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:42,376 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:42,390 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:42,431 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:42,449 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:42,656 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:42,705 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:42,733 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:53:42,740 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:50,755 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:51,681 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:51,840 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:52,424 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:52,487 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:52,798 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:52,881 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:53,608 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:54,409 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:55,070 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-27 21:53:56,628 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:57,172 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:57,608 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:57,721 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:57,743 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:57,886 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:58,293 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:58,475 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:58,509 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:58,953 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:53:58,985 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:53:59,006 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:53:59,109 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:59,158 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:53:59,455 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:53:59,522 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:53:59,812 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:00,133 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:00,450 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:00,631 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:01,037 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:54:01,057 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:54:01,608 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:01,712 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:01,986 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:02,001 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:02,466 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:02,484 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:02,631 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:03,297 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:03,428 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:03,508 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:04,331 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:54:04,728 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:05,866 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:05,897 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:06,048 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:54:06,362 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:54:06,463 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:54:06,846 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:07,492 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-27 21:54:08,489 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:08,503 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:08,521 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:08,577 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:08,602 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:08,624 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:08,926 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:08,939 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:08,955 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:08,962 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:09,077 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:09,094 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:09,113 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:09,230 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:09,337 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:09,465 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:54:09,531 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:09,565 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:10,566 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:10,728 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:10,850 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:11,512 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:11,986 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:12,071 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:12,406 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:12,441 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:12,588 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:13,169 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:54:13,590 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-27 21:54:16,250 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:16,407 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:16,728 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:16,801 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:16,927 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:17,027 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:54:17,854 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:18,003 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:19,480 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:19,699 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:23,855 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:26,621 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:26,802 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:30,746 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:31,243 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:31,287 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:31,557 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:31,706 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:31,724 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:31,748 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:31,867 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:31,917 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:31,948 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:32,820 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:33,252 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:33,310 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:33,349 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:33,358 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:34,658 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:34,699 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:34,985 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:35,111 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:35,129 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:35,155 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:35,274 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:35,324 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:35,356 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:36,206 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:36,245 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:36,570 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:36,934 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:36,949 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:36,998 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:37,019 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:37,235 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:37,292 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:37,324 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:37,333 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:40,838 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:41,368 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:41,402 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:42,559 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:42,580 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:42,601 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:42,629 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:42,653 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:42,666 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:42,681 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:42,999 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:43,025 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:43,115 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:43,179 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:43,236 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:43,396 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:44,171 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:44,198 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:45,039 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:45,092 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:45,390 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:45,407 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:45,426 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:45,454 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:45,585 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:45,693 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:46,100 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:51,610 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:53,075 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:53,596 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:53,806 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:53,941 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:54,208 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:54,610 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:55,011 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:54:55,573 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:55,622 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:55,677 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:55,889 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:56,012 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:56,023 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:56,041 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:56,077 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:56,191 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:54:56,206 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:56,233 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:56,263 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:56,283 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:56,324 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:56,349 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:54:56,498 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:54:57,651 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:54:59,930 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-27 21:55:01,021 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:55:01,041 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:01,314 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:01,669 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2023-01-27 21:55:01,691 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:02,292 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:03,134 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:03,247 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:55:03,361 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:03,432 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:03,461 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:55:03,483 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:03,833 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:03,867 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:04,010 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:55:04,044 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:55:05,250 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:06,027 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:55:06,640 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:55:06,987 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:07,020 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:07,168 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:55:07,209 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:55:07,722 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:55:07,745 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:55:07,797 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:55:07,864 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:55:07,887 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:55:07,981 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:55:08,154 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:08,491 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:09,001 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:09,415 WARN L718 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2023-01-27 21:55:09,932 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2023-01-27 21:55:10,948 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:55:11,816 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:11,971 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:12,154 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:12,879 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:12,930 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:55:12,955 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-01-27 21:55:12,980 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-01-27 21:55:13,475 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:14,135 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:14,270 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:55:14,302 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:14,381 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:55:14,394 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:55:14,601 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:55:14,640 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-01-27 21:55:14,749 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:55:14,787 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:55:14,880 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-01-27 21:55:16,776 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:55:24,877 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:55:25,323 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-01-27 21:55:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:55:51,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076762720] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:55:51,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:55:51,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 13] total 35 [2023-01-27 21:55:51,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576548945] [2023-01-27 21:55:51,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:55:51,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-01-27 21:55:51,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:55:51,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-01-27 21:55:51,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1087, Unknown=39, NotChecked=68, Total=1332 [2023-01-27 21:55:51,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 353 [2023-01-27 21:55:51,192 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) [2023-01-27 21:55:51,192 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:55:51,192 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 353 [2023-01-27 21:55:51,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:55:54,683 INFO L130 PetriNetUnfolder]: 2209/3256 cut-off events. [2023-01-27 21:55:54,684 INFO L131 PetriNetUnfolder]: For 1486/1486 co-relation queries the response was YES. [2023-01-27 21:55:54,688 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. [2023-01-27 21:55:54,700 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 238 selfloop transitions, 101 changer transitions 9/348 dead transitions. [2023-01-27 21:55:54,700 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 348 transitions, 1765 flow [2023-01-27 21:55:54,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-01-27 21:55:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-01-27 21:55:54,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 3296 transitions. [2023-01-27 21:55:54,708 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25936418004406675 [2023-01-27 21:55:54,708 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 3296 transitions. [2023-01-27 21:55:54,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 3296 transitions. [2023-01-27 21:55:54,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:55:54,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 3296 transitions. [2023-01-27 21:55:54,714 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) [2023-01-27 21:55:54,725 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) [2023-01-27 21:55:54,727 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) [2023-01-27 21:55:54,727 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 119 flow. Second operand 36 states and 3296 transitions. [2023-01-27 21:55:54,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 348 transitions, 1765 flow [2023-01-27 21:55:54,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 348 transitions, 1737 flow, removed 7 selfloop flow, removed 2 redundant places. [2023-01-27 21:55:54,736 INFO L231 Difference]: Finished difference. Result has 89 places, 131 transitions, 856 flow [2023-01-27 21:55:54,736 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} [2023-01-27 21:55:54,737 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 56 predicate places. [2023-01-27 21:55:54,737 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 131 transitions, 856 flow [2023-01-27 21:55:54,739 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) [2023-01-27 21:55:54,739 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:55:54,739 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] [2023-01-27 21:55:54,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-01-27 21:55:54,943 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 [2023-01-27 21:55:54,944 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)] === [2023-01-27 21:55:54,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:55:54,944 INFO L85 PathProgramCache]: Analyzing trace with hash 550186672, now seen corresponding path program 2 times [2023-01-27 21:55:54,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:55:54,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942055728] [2023-01-27 21:55:54,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:55:54,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:55:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:55:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:55:56,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:55:56,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942055728] [2023-01-27 21:55:56,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942055728] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:55:56,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521409612] [2023-01-27 21:55:56,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-27 21:55:56,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:55:56,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:55:56,010 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) [2023-01-27 21:55:56,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-27 21:55:56,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-27 21:55:56,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:55:56,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 58 conjunts are in the unsatisfiable core [2023-01-27 21:55:56,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:55:56,365 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-27 21:55:56,365 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 [2023-01-27 21:55:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:55:56,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:55:56,538 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:55:56,539 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 [2023-01-27 21:55:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:55:56,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521409612] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:55:56,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:55:56,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 8] total 30 [2023-01-27 21:55:56,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971748399] [2023-01-27 21:55:56,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:55:56,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-27 21:55:56,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:55:56,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-27 21:55:56,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=856, Unknown=0, NotChecked=0, Total=992 [2023-01-27 21:55:56,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 353 [2023-01-27 21:55:56,717 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) [2023-01-27 21:55:56,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:55:56,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 353 [2023-01-27 21:55:56,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:55:58,512 INFO L130 PetriNetUnfolder]: 2579/3907 cut-off events. [2023-01-27 21:55:58,513 INFO L131 PetriNetUnfolder]: For 9109/9109 co-relation queries the response was YES. [2023-01-27 21:55:58,519 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. [2023-01-27 21:55:58,533 INFO L137 encePairwiseOnDemand]: 337/353 looper letters, 172 selfloop transitions, 142 changer transitions 19/333 dead transitions. [2023-01-27 21:55:58,533 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 333 transitions, 2624 flow [2023-01-27 21:55:58,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-01-27 21:55:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2023-01-27 21:55:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2058 transitions. [2023-01-27 21:55:58,537 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2534794925483434 [2023-01-27 21:55:58,537 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2058 transitions. [2023-01-27 21:55:58,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2058 transitions. [2023-01-27 21:55:58,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:55:58,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2058 transitions. [2023-01-27 21:55:58,541 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) [2023-01-27 21:55:58,547 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) [2023-01-27 21:55:58,548 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) [2023-01-27 21:55:58,548 INFO L175 Difference]: Start difference. First operand has 89 places, 131 transitions, 856 flow. Second operand 23 states and 2058 transitions. [2023-01-27 21:55:58,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 333 transitions, 2624 flow [2023-01-27 21:55:58,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 333 transitions, 2592 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-01-27 21:55:58,594 INFO L231 Difference]: Finished difference. Result has 120 places, 223 transitions, 2088 flow [2023-01-27 21:55:58,594 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} [2023-01-27 21:55:58,594 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 87 predicate places. [2023-01-27 21:55:58,594 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 223 transitions, 2088 flow [2023-01-27 21:55:58,595 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) [2023-01-27 21:55:58,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:55:58,595 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] [2023-01-27 21:55:58,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-01-27 21:55:58,800 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 [2023-01-27 21:55:58,800 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)] === [2023-01-27 21:55:58,801 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:55:58,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1216314062, now seen corresponding path program 3 times [2023-01-27 21:55:58,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:55:58,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104614214] [2023-01-27 21:55:58,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:55:58,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:55:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:55:59,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:55:59,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:55:59,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104614214] [2023-01-27 21:55:59,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104614214] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:55:59,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000626084] [2023-01-27 21:55:59,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-27 21:55:59,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:55:59,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:55:59,450 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) [2023-01-27 21:55:59,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-01-27 21:55:59,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-01-27 21:55:59,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:55:59,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-27 21:55:59,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:55:59,852 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-27 21:55:59,852 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 [2023-01-27 21:55:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:55:59,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:56:00,027 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:56:00,027 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 [2023-01-27 21:56:00,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:56:00,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000626084] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:56:00,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:56:00,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2023-01-27 21:56:00,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229324523] [2023-01-27 21:56:00,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:56:00,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-01-27 21:56:00,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:56:00,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-01-27 21:56:00,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2023-01-27 21:56:00,321 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 353 [2023-01-27 21:56:00,323 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) [2023-01-27 21:56:00,323 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:56:00,323 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 353 [2023-01-27 21:56:00,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:56:02,071 INFO L130 PetriNetUnfolder]: 3615/5472 cut-off events. [2023-01-27 21:56:02,071 INFO L131 PetriNetUnfolder]: For 22962/23122 co-relation queries the response was YES. [2023-01-27 21:56:02,081 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. [2023-01-27 21:56:02,102 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 226 selfloop transitions, 290 changer transitions 6/528 dead transitions. [2023-01-27 21:56:02,102 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 528 transitions, 5269 flow [2023-01-27 21:56:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-01-27 21:56:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-01-27 21:56:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3772 transitions. [2023-01-27 21:56:02,109 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3142809531744709 [2023-01-27 21:56:02,110 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3772 transitions. [2023-01-27 21:56:02,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3772 transitions. [2023-01-27 21:56:02,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:56:02,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3772 transitions. [2023-01-27 21:56:02,116 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) [2023-01-27 21:56:02,125 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) [2023-01-27 21:56:02,126 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) [2023-01-27 21:56:02,126 INFO L175 Difference]: Start difference. First operand has 120 places, 223 transitions, 2088 flow. Second operand 34 states and 3772 transitions. [2023-01-27 21:56:02,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 528 transitions, 5269 flow [2023-01-27 21:56:02,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 528 transitions, 5077 flow, removed 89 selfloop flow, removed 5 redundant places. [2023-01-27 21:56:02,247 INFO L231 Difference]: Finished difference. Result has 153 places, 371 transitions, 4141 flow [2023-01-27 21:56:02,248 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} [2023-01-27 21:56:02,248 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 120 predicate places. [2023-01-27 21:56:02,248 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 371 transitions, 4141 flow [2023-01-27 21:56:02,249 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) [2023-01-27 21:56:02,249 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:56:02,249 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] [2023-01-27 21:56:02,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-01-27 21:56:02,454 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 [2023-01-27 21:56:02,454 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)] === [2023-01-27 21:56:02,454 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:56:02,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1145552732, now seen corresponding path program 4 times [2023-01-27 21:56:02,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:56:02,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100729836] [2023-01-27 21:56:02,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:56:02,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:56:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:56:03,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:56:03,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:56:03,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100729836] [2023-01-27 21:56:03,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100729836] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:56:03,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888647892] [2023-01-27 21:56:03,348 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-27 21:56:03,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:56:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:56:03,349 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) [2023-01-27 21:56:03,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-01-27 21:56:03,436 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-27 21:56:03,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:56:03,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 60 conjunts are in the unsatisfiable core [2023-01-27 21:56:03,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:56:03,721 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-27 21:56:03,721 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 [2023-01-27 21:56:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:56:03,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:56:03,896 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:56:03,896 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 [2023-01-27 21:56:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:56:04,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888647892] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:56:04,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:56:04,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 8] total 29 [2023-01-27 21:56:04,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045889231] [2023-01-27 21:56:04,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:56:04,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-01-27 21:56:04,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:56:04,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-01-27 21:56:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=826, Unknown=0, NotChecked=0, Total=930 [2023-01-27 21:56:04,099 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-27 21:56:04,101 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) [2023-01-27 21:56:04,101 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:56:04,101 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-27 21:56:04,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:56:10,234 INFO L130 PetriNetUnfolder]: 6340/9484 cut-off events. [2023-01-27 21:56:10,235 INFO L131 PetriNetUnfolder]: For 50871/50871 co-relation queries the response was YES. [2023-01-27 21:56:10,256 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. [2023-01-27 21:56:10,296 INFO L137 encePairwiseOnDemand]: 335/353 looper letters, 465 selfloop transitions, 718 changer transitions 10/1193 dead transitions. [2023-01-27 21:56:10,296 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 1193 transitions, 13522 flow [2023-01-27 21:56:10,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-01-27 21:56:10,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2023-01-27 21:56:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 6923 transitions. [2023-01-27 21:56:10,305 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.26149197355996223 [2023-01-27 21:56:10,305 INFO L72 ComplementDD]: Start complementDD. Operand 75 states and 6923 transitions. [2023-01-27 21:56:10,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 6923 transitions. [2023-01-27 21:56:10,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:56:10,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 75 states and 6923 transitions. [2023-01-27 21:56:10,321 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) [2023-01-27 21:56:10,340 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) [2023-01-27 21:56:10,342 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) [2023-01-27 21:56:10,343 INFO L175 Difference]: Start difference. First operand has 153 places, 371 transitions, 4141 flow. Second operand 75 states and 6923 transitions. [2023-01-27 21:56:10,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 1193 transitions, 13522 flow [2023-01-27 21:56:10,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 1193 transitions, 13069 flow, removed 105 selfloop flow, removed 11 redundant places. [2023-01-27 21:56:10,779 INFO L231 Difference]: Finished difference. Result has 236 places, 906 transitions, 11904 flow [2023-01-27 21:56:10,780 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} [2023-01-27 21:56:10,780 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 203 predicate places. [2023-01-27 21:56:10,780 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 906 transitions, 11904 flow [2023-01-27 21:56:10,781 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) [2023-01-27 21:56:10,781 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:56:10,781 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] [2023-01-27 21:56:10,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-01-27 21:56:10,985 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 [2023-01-27 21:56:10,986 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)] === [2023-01-27 21:56:10,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:56:10,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1850509082, now seen corresponding path program 5 times [2023-01-27 21:56:10,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:56:10,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972991087] [2023-01-27 21:56:10,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:56:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:56:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:56:11,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:56:11,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:56:11,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972991087] [2023-01-27 21:56:11,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972991087] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:56:11,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127753492] [2023-01-27 21:56:11,908 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-27 21:56:11,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:56:11,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:56:11,910 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) [2023-01-27 21:56:11,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-01-27 21:56:11,999 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-01-27 21:56:11,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:56:12,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 59 conjunts are in the unsatisfiable core [2023-01-27 21:56:12,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:56:12,207 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-27 21:56:12,208 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 [2023-01-27 21:56:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:56:12,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:56:12,411 INFO L321 Elim1Store]: treesize reduction 57, result has 26.0 percent of original size [2023-01-27 21:56:12,411 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 [2023-01-27 21:56:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:56:12,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127753492] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:56:12,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:56:12,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 6] total 27 [2023-01-27 21:56:12,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102770988] [2023-01-27 21:56:12,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:56:12,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-01-27 21:56:12,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:56:12,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-01-27 21:56:12,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2023-01-27 21:56:12,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 353 [2023-01-27 21:56:12,448 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) [2023-01-27 21:56:12,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:56:12,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 353 [2023-01-27 21:56:12,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:56:16,924 INFO L130 PetriNetUnfolder]: 8536/13011 cut-off events. [2023-01-27 21:56:16,924 INFO L131 PetriNetUnfolder]: For 129646/129646 co-relation queries the response was YES. [2023-01-27 21:56:16,965 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. [2023-01-27 21:56:17,015 INFO L137 encePairwiseOnDemand]: 334/353 looper letters, 575 selfloop transitions, 1056 changer transitions 28/1659 dead transitions. [2023-01-27 21:56:17,016 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 1659 transitions, 23226 flow [2023-01-27 21:56:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-01-27 21:56:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-01-27 21:56:17,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 4210 transitions. [2023-01-27 21:56:17,020 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25375203423542886 [2023-01-27 21:56:17,020 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 4210 transitions. [2023-01-27 21:56:17,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 4210 transitions. [2023-01-27 21:56:17,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:56:17,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 4210 transitions. [2023-01-27 21:56:17,025 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) [2023-01-27 21:56:17,033 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) [2023-01-27 21:56:17,034 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) [2023-01-27 21:56:17,034 INFO L175 Difference]: Start difference. First operand has 236 places, 906 transitions, 11904 flow. Second operand 47 states and 4210 transitions. [2023-01-27 21:56:17,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 1659 transitions, 23226 flow [2023-01-27 21:56:18,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 1659 transitions, 22531 flow, removed 333 selfloop flow, removed 5 redundant places. [2023-01-27 21:56:18,432 INFO L231 Difference]: Finished difference. Result has 291 places, 1369 transitions, 20857 flow [2023-01-27 21:56:18,433 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} [2023-01-27 21:56:18,433 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 258 predicate places. [2023-01-27 21:56:18,433 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 1369 transitions, 20857 flow [2023-01-27 21:56:18,434 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) [2023-01-27 21:56:18,434 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:56:18,434 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] [2023-01-27 21:56:18,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-01-27 21:56:18,638 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 [2023-01-27 21:56:18,639 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)] === [2023-01-27 21:56:18,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:56:18,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1223354686, now seen corresponding path program 6 times [2023-01-27 21:56:18,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:56:18,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415406844] [2023-01-27 21:56:18,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:56:18,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:56:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:56:19,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:56:19,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:56:19,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415406844] [2023-01-27 21:56:19,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415406844] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:56:19,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596664874] [2023-01-27 21:56:19,415 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-27 21:56:19,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:56:19,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:56:19,418 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) [2023-01-27 21:56:19,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-01-27 21:56:19,516 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-27 21:56:19,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:56:19,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-27 21:56:19,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:56:19,865 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:56:19,866 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 [2023-01-27 21:56:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:56:19,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:56:20,019 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:56:20,020 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 [2023-01-27 21:56:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:56:20,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596664874] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:56:20,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:56:20,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2023-01-27 21:56:20,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007725054] [2023-01-27 21:56:20,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:56:20,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-27 21:56:20,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:56:20,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-27 21:56:20,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=875, Unknown=0, NotChecked=0, Total=992 [2023-01-27 21:56:20,278 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-27 21:56:20,279 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) [2023-01-27 21:56:20,279 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:56:20,279 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-27 21:56:20,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:56:25,797 INFO L130 PetriNetUnfolder]: 9040/13746 cut-off events. [2023-01-27 21:56:25,798 INFO L131 PetriNetUnfolder]: For 172641/172641 co-relation queries the response was YES. [2023-01-27 21:56:25,848 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. [2023-01-27 21:56:25,906 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 721 selfloop transitions, 1039 changer transitions 9/1769 dead transitions. [2023-01-27 21:56:25,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 1769 transitions, 28978 flow [2023-01-27 21:56:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-01-27 21:56:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-01-27 21:56:25,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 3586 transitions. [2023-01-27 21:56:25,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.260477954528946 [2023-01-27 21:56:25,911 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 3586 transitions. [2023-01-27 21:56:25,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 3586 transitions. [2023-01-27 21:56:25,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:56:25,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 3586 transitions. [2023-01-27 21:56:25,915 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) [2023-01-27 21:56:25,923 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) [2023-01-27 21:56:25,923 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) [2023-01-27 21:56:25,923 INFO L175 Difference]: Start difference. First operand has 291 places, 1369 transitions, 20857 flow. Second operand 39 states and 3586 transitions. [2023-01-27 21:56:25,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 1769 transitions, 28978 flow [2023-01-27 21:56:28,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 1769 transitions, 27729 flow, removed 453 selfloop flow, removed 9 redundant places. [2023-01-27 21:56:28,635 INFO L231 Difference]: Finished difference. Result has 327 places, 1565 transitions, 26198 flow [2023-01-27 21:56:28,636 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} [2023-01-27 21:56:28,636 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 294 predicate places. [2023-01-27 21:56:28,636 INFO L495 AbstractCegarLoop]: Abstraction has has 327 places, 1565 transitions, 26198 flow [2023-01-27 21:56:28,637 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) [2023-01-27 21:56:28,637 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:56:28,637 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] [2023-01-27 21:56:28,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-01-27 21:56:28,837 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 [2023-01-27 21:56:28,837 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)] === [2023-01-27 21:56:28,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:56:28,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1789474852, now seen corresponding path program 7 times [2023-01-27 21:56:28,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:56:28,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079940378] [2023-01-27 21:56:28,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:56:28,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:56:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:56:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:56:29,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:56:29,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079940378] [2023-01-27 21:56:29,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079940378] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:56:29,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372430615] [2023-01-27 21:56:29,344 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-27 21:56:29,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:56:29,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:56:29,345 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) [2023-01-27 21:56:29,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-01-27 21:56:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:56:29,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 63 conjunts are in the unsatisfiable core [2023-01-27 21:56:29,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:56:29,653 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-27 21:56:29,664 INFO L321 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2023-01-27 21:56:29,664 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 [2023-01-27 21:56:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:56:29,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:56:29,751 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:56:29,751 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 [2023-01-27 21:56:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:56:29,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372430615] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:56:29,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:56:29,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 25 [2023-01-27 21:56:29,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651288347] [2023-01-27 21:56:29,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:56:29,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-01-27 21:56:29,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:56:29,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-01-27 21:56:29,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2023-01-27 21:56:29,947 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 353 [2023-01-27 21:56:29,948 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) [2023-01-27 21:56:29,948 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:56:29,949 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 353 [2023-01-27 21:56:29,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:56:35,039 INFO L130 PetriNetUnfolder]: 10804/16503 cut-off events. [2023-01-27 21:56:35,040 INFO L131 PetriNetUnfolder]: For 215285/215409 co-relation queries the response was YES. [2023-01-27 21:56:35,104 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. [2023-01-27 21:56:35,169 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 993 selfloop transitions, 1210 changer transitions 5/2235 dead transitions. [2023-01-27 21:56:35,169 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 2235 transitions, 39982 flow [2023-01-27 21:56:35,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-01-27 21:56:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-01-27 21:56:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3644 transitions. [2023-01-27 21:56:35,172 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3036160639893351 [2023-01-27 21:56:35,172 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3644 transitions. [2023-01-27 21:56:35,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3644 transitions. [2023-01-27 21:56:35,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:56:35,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3644 transitions. [2023-01-27 21:56:35,176 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) [2023-01-27 21:56:35,181 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) [2023-01-27 21:56:35,182 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) [2023-01-27 21:56:35,182 INFO L175 Difference]: Start difference. First operand has 327 places, 1565 transitions, 26198 flow. Second operand 34 states and 3644 transitions. [2023-01-27 21:56:35,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 2235 transitions, 39982 flow [2023-01-27 21:56:39,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 2235 transitions, 39299 flow, removed 89 selfloop flow, removed 15 redundant places. [2023-01-27 21:56:39,437 INFO L231 Difference]: Finished difference. Result has 358 places, 1960 transitions, 37270 flow [2023-01-27 21:56:39,438 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} [2023-01-27 21:56:39,438 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 325 predicate places. [2023-01-27 21:56:39,439 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 1960 transitions, 37270 flow [2023-01-27 21:56:39,439 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) [2023-01-27 21:56:39,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:56:39,439 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] [2023-01-27 21:56:39,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-01-27 21:56:39,641 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 [2023-01-27 21:56:39,641 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)] === [2023-01-27 21:56:39,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:56:39,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1603318388, now seen corresponding path program 8 times [2023-01-27 21:56:39,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:56:39,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189395059] [2023-01-27 21:56:39,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:56:39,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:56:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:56:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:56:40,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:56:40,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189395059] [2023-01-27 21:56:40,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189395059] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:56:40,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521439517] [2023-01-27 21:56:40,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-27 21:56:40,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:56:40,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:56:40,450 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) [2023-01-27 21:56:40,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-01-27 21:56:40,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-27 21:56:40,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:56:40,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 62 conjunts are in the unsatisfiable core [2023-01-27 21:56:40,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:56:40,919 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-27 21:56:40,919 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 [2023-01-27 21:56:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:56:40,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:56:41,069 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:56:41,069 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 [2023-01-27 21:56:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:56:41,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521439517] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:56:41,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:56:41,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 10] total 33 [2023-01-27 21:56:41,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360262439] [2023-01-27 21:56:41,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:56:41,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-01-27 21:56:41,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:56:41,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-01-27 21:56:41,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2023-01-27 21:56:41,306 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-27 21:56:41,307 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) [2023-01-27 21:56:41,307 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:56:41,307 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-27 21:56:41,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:56:52,982 INFO L130 PetriNetUnfolder]: 14020/21192 cut-off events. [2023-01-27 21:56:52,982 INFO L131 PetriNetUnfolder]: For 329285/329285 co-relation queries the response was YES. [2023-01-27 21:56:53,076 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. [2023-01-27 21:56:53,164 INFO L137 encePairwiseOnDemand]: 336/353 looper letters, 719 selfloop transitions, 2275 changer transitions 6/3000 dead transitions. [2023-01-27 21:56:53,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 3000 transitions, 58069 flow [2023-01-27 21:56:53,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-01-27 21:56:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2023-01-27 21:56:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 8606 transitions. [2023-01-27 21:56:53,171 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25935748297269606 [2023-01-27 21:56:53,171 INFO L72 ComplementDD]: Start complementDD. Operand 94 states and 8606 transitions. [2023-01-27 21:56:53,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 8606 transitions. [2023-01-27 21:56:53,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:56:53,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 94 states and 8606 transitions. [2023-01-27 21:56:53,179 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) [2023-01-27 21:56:53,194 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) [2023-01-27 21:56:53,196 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) [2023-01-27 21:56:53,196 INFO L175 Difference]: Start difference. First operand has 358 places, 1960 transitions, 37270 flow. Second operand 94 states and 8606 transitions. [2023-01-27 21:56:53,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 3000 transitions, 58069 flow [2023-01-27 21:57:01,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 3000 transitions, 57792 flow, removed 20 selfloop flow, removed 9 redundant places. [2023-01-27 21:57:01,240 INFO L231 Difference]: Finished difference. Result has 461 places, 2713 transitions, 57126 flow [2023-01-27 21:57:01,241 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} [2023-01-27 21:57:01,241 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 428 predicate places. [2023-01-27 21:57:01,241 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 2713 transitions, 57126 flow [2023-01-27 21:57:01,242 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) [2023-01-27 21:57:01,242 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:57:01,242 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] [2023-01-27 21:57:01,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-01-27 21:57:01,446 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 [2023-01-27 21:57:01,446 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)] === [2023-01-27 21:57:01,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:57:01,447 INFO L85 PathProgramCache]: Analyzing trace with hash 228834432, now seen corresponding path program 9 times [2023-01-27 21:57:01,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:57:01,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673509643] [2023-01-27 21:57:01,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:57:01,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:57:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:57:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:57:02,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:57:02,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673509643] [2023-01-27 21:57:02,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673509643] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:57:02,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024253698] [2023-01-27 21:57:02,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-27 21:57:02,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:57:02,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:57:02,164 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) [2023-01-27 21:57:02,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-01-27 21:57:02,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-27 21:57:02,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:57:02,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 57 conjunts are in the unsatisfiable core [2023-01-27 21:57:02,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:57:02,500 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-27 21:57:02,500 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 [2023-01-27 21:57:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:57:02,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:57:02,649 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:57:02,649 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 [2023-01-27 21:57:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:57:02,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024253698] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:57:02,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:57:02,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 8] total 30 [2023-01-27 21:57:02,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783873868] [2023-01-27 21:57:02,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:57:02,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-27 21:57:02,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:57:02,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-27 21:57:02,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=859, Unknown=0, NotChecked=0, Total=992 [2023-01-27 21:57:02,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 353 [2023-01-27 21:57:02,828 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) [2023-01-27 21:57:02,828 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:57:02,828 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 353 [2023-01-27 21:57:02,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:57:12,085 INFO L130 PetriNetUnfolder]: 14135/21419 cut-off events. [2023-01-27 21:57:12,085 INFO L131 PetriNetUnfolder]: For 403431/403431 co-relation queries the response was YES. [2023-01-27 21:57:12,195 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. [2023-01-27 21:57:12,287 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1612 selfloop transitions, 1171 changer transitions 13/2796 dead transitions. [2023-01-27 21:57:12,288 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 2796 transitions, 63524 flow [2023-01-27 21:57:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-27 21:57:12,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-27 21:57:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1456 transitions. [2023-01-27 21:57:12,290 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2577903682719547 [2023-01-27 21:57:12,290 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1456 transitions. [2023-01-27 21:57:12,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1456 transitions. [2023-01-27 21:57:12,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:57:12,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1456 transitions. [2023-01-27 21:57:12,291 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) [2023-01-27 21:57:12,294 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) [2023-01-27 21:57:12,294 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) [2023-01-27 21:57:12,294 INFO L175 Difference]: Start difference. First operand has 461 places, 2713 transitions, 57126 flow. Second operand 16 states and 1456 transitions. [2023-01-27 21:57:12,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 2796 transitions, 63524 flow [2023-01-27 21:57:22,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 2796 transitions, 62301 flow, removed 576 selfloop flow, removed 10 redundant places. [2023-01-27 21:57:22,972 INFO L231 Difference]: Finished difference. Result has 472 places, 2734 transitions, 60370 flow [2023-01-27 21:57:22,974 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} [2023-01-27 21:57:22,976 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 439 predicate places. [2023-01-27 21:57:22,976 INFO L495 AbstractCegarLoop]: Abstraction has has 472 places, 2734 transitions, 60370 flow [2023-01-27 21:57:22,976 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) [2023-01-27 21:57:22,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:57:22,976 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] [2023-01-27 21:57:22,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-01-27 21:57:23,181 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 [2023-01-27 21:57:23,181 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)] === [2023-01-27 21:57:23,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:57:23,181 INFO L85 PathProgramCache]: Analyzing trace with hash -475621398, now seen corresponding path program 10 times [2023-01-27 21:57:23,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:57:23,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398570921] [2023-01-27 21:57:23,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:57:23,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:57:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:57:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:57:23,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:57:23,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398570921] [2023-01-27 21:57:23,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398570921] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:57:23,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174271803] [2023-01-27 21:57:23,841 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-27 21:57:23,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:57:23,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:57:23,842 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) [2023-01-27 21:57:23,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-01-27 21:57:23,934 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-27 21:57:23,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:57:23,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 57 conjunts are in the unsatisfiable core [2023-01-27 21:57:23,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:57:24,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-01-27 21:57:24,262 INFO L321 Elim1Store]: treesize reduction 47, result has 28.8 percent of original size [2023-01-27 21:57:24,262 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 [2023-01-27 21:57:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:57:24,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:57:24,387 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:57:24,387 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 [2023-01-27 21:57:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:57:24,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174271803] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:57:24,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:57:24,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 10] total 35 [2023-01-27 21:57:24,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738373091] [2023-01-27 21:57:24,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:57:24,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-01-27 21:57:24,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:57:24,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-01-27 21:57:24,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1152, Unknown=0, NotChecked=0, Total=1332 [2023-01-27 21:57:24,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-27 21:57:24,654 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) [2023-01-27 21:57:24,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:57:24,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-27 21:57:24,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:57:34,900 INFO L130 PetriNetUnfolder]: 14151/21465 cut-off events. [2023-01-27 21:57:34,900 INFO L131 PetriNetUnfolder]: For 472287/472287 co-relation queries the response was YES. [2023-01-27 21:57:35,052 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. [2023-01-27 21:57:35,160 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 1529 selfloop transitions, 1265 changer transitions 6/2800 dead transitions. [2023-01-27 21:57:35,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 2800 transitions, 66594 flow [2023-01-27 21:57:35,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-27 21:57:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-01-27 21:57:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1822 transitions. [2023-01-27 21:57:35,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2580736543909348 [2023-01-27 21:57:35,162 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1822 transitions. [2023-01-27 21:57:35,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1822 transitions. [2023-01-27 21:57:35,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:57:35,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1822 transitions. [2023-01-27 21:57:35,164 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) [2023-01-27 21:57:35,167 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) [2023-01-27 21:57:35,168 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) [2023-01-27 21:57:35,168 INFO L175 Difference]: Start difference. First operand has 472 places, 2734 transitions, 60370 flow. Second operand 20 states and 1822 transitions. [2023-01-27 21:57:35,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 2800 transitions, 66594 flow [2023-01-27 21:57:46,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 2800 transitions, 66100 flow, removed 23 selfloop flow, removed 4 redundant places. [2023-01-27 21:57:46,250 INFO L231 Difference]: Finished difference. Result has 491 places, 2750 transitions, 63876 flow [2023-01-27 21:57:46,251 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} [2023-01-27 21:57:46,251 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 458 predicate places. [2023-01-27 21:57:46,251 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 2750 transitions, 63876 flow [2023-01-27 21:57:46,252 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) [2023-01-27 21:57:46,252 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:57:46,252 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] [2023-01-27 21:57:46,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-01-27 21:57:46,452 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 [2023-01-27 21:57:46,453 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)] === [2023-01-27 21:57:46,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:57:46,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1967116930, now seen corresponding path program 11 times [2023-01-27 21:57:46,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:57:46,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138275093] [2023-01-27 21:57:46,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:57:46,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:57:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:57:47,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:57:47,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:57:47,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138275093] [2023-01-27 21:57:47,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138275093] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:57:47,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490298932] [2023-01-27 21:57:47,176 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-27 21:57:47,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:57:47,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:57:47,176 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) [2023-01-27 21:57:47,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-01-27 21:57:47,279 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-27 21:57:47,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:57:47,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-27 21:57:47,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:57:47,613 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:57:47,613 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 [2023-01-27 21:57:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:57:47,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:57:47,732 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:57:47,732 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 [2023-01-27 21:57:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:57:47,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490298932] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:57:47,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:57:47,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 30 [2023-01-27 21:57:47,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241671784] [2023-01-27 21:57:47,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:57:47,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-01-27 21:57:47,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:57:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-01-27 21:57:47,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2023-01-27 21:57:47,935 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-27 21:57:47,936 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) [2023-01-27 21:57:47,936 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:57:47,936 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-27 21:57:47,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:57:59,227 INFO L130 PetriNetUnfolder]: 12473/19216 cut-off events. [2023-01-27 21:57:59,227 INFO L131 PetriNetUnfolder]: For 473580/473580 co-relation queries the response was YES. [2023-01-27 21:57:59,338 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. [2023-01-27 21:57:59,424 INFO L137 encePairwiseOnDemand]: 337/353 looper letters, 830 selfloop transitions, 1712 changer transitions 9/2551 dead transitions. [2023-01-27 21:57:59,424 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 2551 transitions, 63289 flow [2023-01-27 21:57:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-01-27 21:57:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2023-01-27 21:57:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 4543 transitions. [2023-01-27 21:57:59,428 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2573937677053824 [2023-01-27 21:57:59,428 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 4543 transitions. [2023-01-27 21:57:59,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 4543 transitions. [2023-01-27 21:57:59,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:57:59,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 4543 transitions. [2023-01-27 21:57:59,432 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) [2023-01-27 21:57:59,441 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) [2023-01-27 21:57:59,441 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) [2023-01-27 21:57:59,441 INFO L175 Difference]: Start difference. First operand has 491 places, 2750 transitions, 63876 flow. Second operand 50 states and 4543 transitions. [2023-01-27 21:57:59,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 2551 transitions, 63289 flow [2023-01-27 21:58:08,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 2551 transitions, 61834 flow, removed 103 selfloop flow, removed 22 redundant places. [2023-01-27 21:58:08,119 INFO L231 Difference]: Finished difference. Result has 509 places, 2401 transitions, 62267 flow [2023-01-27 21:58:08,120 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} [2023-01-27 21:58:08,120 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 476 predicate places. [2023-01-27 21:58:08,120 INFO L495 AbstractCegarLoop]: Abstraction has has 509 places, 2401 transitions, 62267 flow [2023-01-27 21:58:08,121 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) [2023-01-27 21:58:08,121 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:58:08,121 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] [2023-01-27 21:58:08,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-01-27 21:58:08,321 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 [2023-01-27 21:58:08,321 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)] === [2023-01-27 21:58:08,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:58:08,321 INFO L85 PathProgramCache]: Analyzing trace with hash -625829824, now seen corresponding path program 12 times [2023-01-27 21:58:08,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:58:08,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209867470] [2023-01-27 21:58:08,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:58:08,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:58:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:58:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:58:08,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:58:08,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209867470] [2023-01-27 21:58:08,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209867470] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:58:08,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141989001] [2023-01-27 21:58:08,956 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-27 21:58:08,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:58:08,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:58:08,957 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) [2023-01-27 21:58:08,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-01-27 21:58:09,058 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-27 21:58:09,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:58:09,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 60 conjunts are in the unsatisfiable core [2023-01-27 21:58:09,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:58:09,325 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:58:09,325 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 [2023-01-27 21:58:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:58:09,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:58:09,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:58:09,432 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 [2023-01-27 21:58:09,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:58:09,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141989001] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:58:09,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:58:09,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 10] total 31 [2023-01-27 21:58:09,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29569764] [2023-01-27 21:58:09,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:58:09,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-01-27 21:58:09,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:58:09,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-01-27 21:58:09,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2023-01-27 21:58:09,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-27 21:58:09,653 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) [2023-01-27 21:58:09,653 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:58:09,653 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-27 21:58:09,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:58:18,884 INFO L130 PetriNetUnfolder]: 12557/19374 cut-off events. [2023-01-27 21:58:18,884 INFO L131 PetriNetUnfolder]: For 549356/549356 co-relation queries the response was YES. [2023-01-27 21:58:19,006 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. [2023-01-27 21:58:19,109 INFO L137 encePairwiseOnDemand]: 338/353 looper letters, 1287 selfloop transitions, 1212 changer transitions 6/2505 dead transitions. [2023-01-27 21:58:19,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 2505 transitions, 69142 flow [2023-01-27 21:58:19,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-01-27 21:58:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-01-27 21:58:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1823 transitions. [2023-01-27 21:58:19,112 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.25821529745042493 [2023-01-27 21:58:19,112 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1823 transitions. [2023-01-27 21:58:19,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1823 transitions. [2023-01-27 21:58:19,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:58:19,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1823 transitions. [2023-01-27 21:58:19,114 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) [2023-01-27 21:58:19,117 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) [2023-01-27 21:58:19,117 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) [2023-01-27 21:58:19,117 INFO L175 Difference]: Start difference. First operand has 509 places, 2401 transitions, 62267 flow. Second operand 20 states and 1823 transitions. [2023-01-27 21:58:19,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 2505 transitions, 69142 flow [2023-01-27 21:58:29,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 2505 transitions, 68696 flow, removed 168 selfloop flow, removed 11 redundant places. [2023-01-27 21:58:29,347 INFO L231 Difference]: Finished difference. Result has 522 places, 2454 transitions, 66979 flow [2023-01-27 21:58:29,348 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} [2023-01-27 21:58:29,348 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 489 predicate places. [2023-01-27 21:58:29,349 INFO L495 AbstractCegarLoop]: Abstraction has has 522 places, 2454 transitions, 66979 flow [2023-01-27 21:58:29,349 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) [2023-01-27 21:58:29,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:58:29,349 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] [2023-01-27 21:58:29,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-01-27 21:58:29,549 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 [2023-01-27 21:58:29,552 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)] === [2023-01-27 21:58:29,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:58:29,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1355219762, now seen corresponding path program 13 times [2023-01-27 21:58:29,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:58:29,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657181045] [2023-01-27 21:58:29,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:58:29,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:58:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:58:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:58:30,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:58:30,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657181045] [2023-01-27 21:58:30,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657181045] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:58:30,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038120] [2023-01-27 21:58:30,348 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-27 21:58:30,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:58:30,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:58:30,349 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) [2023-01-27 21:58:30,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-01-27 21:58:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:58:30,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 62 conjunts are in the unsatisfiable core [2023-01-27 21:58:30,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:58:30,708 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:58:30,709 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 [2023-01-27 21:58:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:58:30,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:58:30,800 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:58:30,800 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 [2023-01-27 21:58:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:58:31,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038120] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:58:31,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:58:31,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 27 [2023-01-27 21:58:31,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613821578] [2023-01-27 21:58:31,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:58:31,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-01-27 21:58:31,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:58:31,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-01-27 21:58:31,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2023-01-27 21:58:31,039 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 353 [2023-01-27 21:58:31,040 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) [2023-01-27 21:58:31,041 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:58:31,041 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 353 [2023-01-27 21:58:31,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:58:41,824 INFO L130 PetriNetUnfolder]: 13569/21015 cut-off events. [2023-01-27 21:58:41,824 INFO L131 PetriNetUnfolder]: For 724068/724236 co-relation queries the response was YES. [2023-01-27 21:58:42,183 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. [2023-01-27 21:58:42,295 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1653 selfloop transitions, 1149 changer transitions 1/2835 dead transitions. [2023-01-27 21:58:42,296 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 2835 transitions, 80586 flow [2023-01-27 21:58:42,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-01-27 21:58:42,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-01-27 21:58:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2754 transitions. [2023-01-27 21:58:42,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.26005665722379606 [2023-01-27 21:58:42,298 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2754 transitions. [2023-01-27 21:58:42,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2754 transitions. [2023-01-27 21:58:42,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:58:42,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2754 transitions. [2023-01-27 21:58:42,302 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) [2023-01-27 21:58:42,307 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) [2023-01-27 21:58:42,307 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) [2023-01-27 21:58:42,307 INFO L175 Difference]: Start difference. First operand has 522 places, 2454 transitions, 66979 flow. Second operand 30 states and 2754 transitions. [2023-01-27 21:58:42,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 2835 transitions, 80586 flow [2023-01-27 21:58:53,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 2835 transitions, 79841 flow, removed 28 selfloop flow, removed 11 redundant places. [2023-01-27 21:58:53,950 INFO L231 Difference]: Finished difference. Result has 545 places, 2668 transitions, 75394 flow [2023-01-27 21:58:53,952 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} [2023-01-27 21:58:53,952 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 512 predicate places. [2023-01-27 21:58:53,952 INFO L495 AbstractCegarLoop]: Abstraction has has 545 places, 2668 transitions, 75394 flow [2023-01-27 21:58:53,953 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) [2023-01-27 21:58:53,953 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:58:53,953 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] [2023-01-27 21:58:53,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-01-27 21:58:54,157 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 [2023-01-27 21:58:54,157 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)] === [2023-01-27 21:58:54,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:58:54,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1791834150, now seen corresponding path program 14 times [2023-01-27 21:58:54,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:58:54,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971579094] [2023-01-27 21:58:54,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:58:54,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:58:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:58:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:58:55,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:58:55,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971579094] [2023-01-27 21:58:55,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971579094] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:58:55,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603984255] [2023-01-27 21:58:55,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-27 21:58:55,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:58:55,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:58:55,065 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) [2023-01-27 21:58:55,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-01-27 21:58:55,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-27 21:58:55,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:58:55,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 65 conjunts are in the unsatisfiable core [2023-01-27 21:58:55,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:58:55,416 INFO L321 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2023-01-27 21:58:55,417 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 [2023-01-27 21:58:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:58:55,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:58:55,582 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-27 21:58:55,583 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 [2023-01-27 21:58:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 21:58:55,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603984255] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:58:55,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:58:55,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2023-01-27 21:58:55,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738324420] [2023-01-27 21:58:55,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:58:55,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-01-27 21:58:55,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:58:55,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-01-27 21:58:55,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2023-01-27 21:58:55,772 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 353 [2023-01-27 21:58:55,774 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) [2023-01-27 21:58:55,774 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:58:55,774 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 353 [2023-01-27 21:58:55,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:59:07,538 INFO L130 PetriNetUnfolder]: 14307/22169 cut-off events. [2023-01-27 21:59:07,539 INFO L131 PetriNetUnfolder]: For 759344/759518 co-relation queries the response was YES. [2023-01-27 21:59:07,709 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. [2023-01-27 21:59:07,821 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1138 selfloop transitions, 1676 changer transitions 6/2852 dead transitions. [2023-01-27 21:59:07,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 2852 transitions, 84048 flow [2023-01-27 21:59:07,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-01-27 21:59:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-01-27 21:59:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2133 transitions. [2023-01-27 21:59:07,823 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2746587689930466 [2023-01-27 21:59:07,823 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2133 transitions. [2023-01-27 21:59:07,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2133 transitions. [2023-01-27 21:59:07,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:59:07,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2133 transitions. [2023-01-27 21:59:07,825 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) [2023-01-27 21:59:07,828 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) [2023-01-27 21:59:07,828 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) [2023-01-27 21:59:07,828 INFO L175 Difference]: Start difference. First operand has 545 places, 2668 transitions, 75394 flow. Second operand 22 states and 2133 transitions. [2023-01-27 21:59:07,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 2852 transitions, 84048 flow [2023-01-27 21:59:20,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 2852 transitions, 83885 flow, removed 25 selfloop flow, removed 8 redundant places. [2023-01-27 21:59:21,027 INFO L231 Difference]: Finished difference. Result has 565 places, 2745 transitions, 83173 flow [2023-01-27 21:59:21,028 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} [2023-01-27 21:59:21,028 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 532 predicate places. [2023-01-27 21:59:21,029 INFO L495 AbstractCegarLoop]: Abstraction has has 565 places, 2745 transitions, 83173 flow [2023-01-27 21:59:21,029 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) [2023-01-27 21:59:21,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:59:21,029 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] [2023-01-27 21:59:21,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-01-27 21:59:21,234 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 [2023-01-27 21:59:21,234 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)] === [2023-01-27 21:59:21,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:59:21,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1650705045, now seen corresponding path program 15 times [2023-01-27 21:59:21,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:59:21,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728119433] [2023-01-27 21:59:21,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:59:21,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:59:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:59:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:59:21,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:59:21,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728119433] [2023-01-27 21:59:21,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728119433] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 21:59:21,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256252085] [2023-01-27 21:59:21,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-27 21:59:21,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 21:59:21,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 21:59:21,297 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) [2023-01-27 21:59:21,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-01-27 21:59:21,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-27 21:59:21,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 21:59:21,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-27 21:59:21,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 21:59:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:59:21,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 21:59:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 21:59:21,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256252085] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 21:59:21,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 21:59:21,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-01-27 21:59:21,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084691355] [2023-01-27 21:59:21,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 21:59:21,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-01-27 21:59:21,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:59:21,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-01-27 21:59:21,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-01-27 21:59:21,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 353 [2023-01-27 21:59:21,513 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) [2023-01-27 21:59:21,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:59:21,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 353 [2023-01-27 21:59:21,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:59:40,322 INFO L130 PetriNetUnfolder]: 20239/32762 cut-off events. [2023-01-27 21:59:40,322 INFO L131 PetriNetUnfolder]: For 1596372/1597319 co-relation queries the response was YES. [2023-01-27 21:59:40,829 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. [2023-01-27 21:59:40,993 INFO L137 encePairwiseOnDemand]: 345/353 looper letters, 2996 selfloop transitions, 541 changer transitions 68/3681 dead transitions. [2023-01-27 21:59:40,994 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 3681 transitions, 121967 flow [2023-01-27 21:59:40,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-27 21:59:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-01-27 21:59:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1672 transitions. [2023-01-27 21:59:40,996 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3947119924457035 [2023-01-27 21:59:40,996 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1672 transitions. [2023-01-27 21:59:40,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1672 transitions. [2023-01-27 21:59:40,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:59:40,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1672 transitions. [2023-01-27 21:59:40,998 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) [2023-01-27 21:59:40,999 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) [2023-01-27 21:59:41,000 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) [2023-01-27 21:59:41,000 INFO L175 Difference]: Start difference. First operand has 565 places, 2745 transitions, 83173 flow. Second operand 12 states and 1672 transitions. [2023-01-27 21:59:41,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 3681 transitions, 121967 flow [2023-01-27 22:00:08,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 3681 transitions, 120547 flow, removed 124 selfloop flow, removed 19 redundant places. [2023-01-27 22:00:08,840 INFO L231 Difference]: Finished difference. Result has 554 places, 2459 transitions, 77211 flow [2023-01-27 22:00:08,842 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} [2023-01-27 22:00:08,842 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 521 predicate places. [2023-01-27 22:00:08,842 INFO L495 AbstractCegarLoop]: Abstraction has has 554 places, 2459 transitions, 77211 flow [2023-01-27 22:00:08,843 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) [2023-01-27 22:00:08,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:00:08,843 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] [2023-01-27 22:00:08,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-01-27 22:00:09,047 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 [2023-01-27 22:00:09,047 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)] === [2023-01-27 22:00:09,048 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:00:09,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1609149229, now seen corresponding path program 16 times [2023-01-27 22:00:09,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:00:09,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24534234] [2023-01-27 22:00:09,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:00:09,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:00:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:00:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 22:00:09,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:00:09,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24534234] [2023-01-27 22:00:09,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24534234] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:00:09,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750847954] [2023-01-27 22:00:09,122 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-27 22:00:09,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:00:09,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:00:09,123 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) [2023-01-27 22:00:09,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-01-27 22:00:09,226 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-27 22:00:09,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:00:09,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-27 22:00:09,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:00:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:00:09,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:00:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:00:09,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750847954] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:00:09,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:00:09,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2023-01-27 22:00:09,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130418016] [2023-01-27 22:00:09,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:00:09,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-27 22:00:09,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:00:09,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-27 22:00:09,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-01-27 22:00:09,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:00:09,369 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) [2023-01-27 22:00:09,369 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:00:09,369 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:00:09,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:00:30,644 INFO L130 PetriNetUnfolder]: 25407/40294 cut-off events. [2023-01-27 22:00:30,644 INFO L131 PetriNetUnfolder]: For 1794985/1795158 co-relation queries the response was YES. [2023-01-27 22:00:31,264 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. [2023-01-27 22:00:31,476 INFO L137 encePairwiseOnDemand]: 339/353 looper letters, 1475 selfloop transitions, 2811 changer transitions 9/4394 dead transitions. [2023-01-27 22:00:31,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 4394 transitions, 141025 flow [2023-01-27 22:00:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-01-27 22:00:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2023-01-27 22:00:31,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3792 transitions. [2023-01-27 22:00:31,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3704210217837257 [2023-01-27 22:00:31,479 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3792 transitions. [2023-01-27 22:00:31,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3792 transitions. [2023-01-27 22:00:31,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:00:31,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3792 transitions. [2023-01-27 22:00:31,482 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) [2023-01-27 22:00:31,486 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) [2023-01-27 22:00:31,486 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) [2023-01-27 22:00:31,486 INFO L175 Difference]: Start difference. First operand has 554 places, 2459 transitions, 77211 flow. Second operand 29 states and 3792 transitions. [2023-01-27 22:00:31,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 4394 transitions, 141025 flow [2023-01-27 22:01:07,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 4394 transitions, 136268 flow, removed 620 selfloop flow, removed 35 redundant places. [2023-01-27 22:01:07,535 INFO L231 Difference]: Finished difference. Result has 543 places, 3751 transitions, 126448 flow [2023-01-27 22:01:07,537 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} [2023-01-27 22:01:07,537 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 510 predicate places. [2023-01-27 22:01:07,537 INFO L495 AbstractCegarLoop]: Abstraction has has 543 places, 3751 transitions, 126448 flow [2023-01-27 22:01:07,538 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) [2023-01-27 22:01:07,538 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:01:07,538 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] [2023-01-27 22:01:07,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-01-27 22:01:07,738 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 [2023-01-27 22:01:07,739 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)] === [2023-01-27 22:01:07,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:01:07,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1306578835, now seen corresponding path program 17 times [2023-01-27 22:01:07,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:01:07,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639439012] [2023-01-27 22:01:07,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:01:07,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:01:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:01:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:01:07,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:01:07,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639439012] [2023-01-27 22:01:07,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639439012] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:01:07,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441005893] [2023-01-27 22:01:07,866 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-27 22:01:07,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:01:07,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:01:07,867 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) [2023-01-27 22:01:07,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-01-27 22:01:07,978 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-01-27 22:01:07,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:01:07,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 13 conjunts are in the unsatisfiable core [2023-01-27 22:01:07,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:01:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:01:08,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:01:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:01:08,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441005893] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:01:08,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:01:08,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-01-27 22:01:08,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949196351] [2023-01-27 22:01:08,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:01:08,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-27 22:01:08,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:01:08,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-27 22:01:08,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-01-27 22:01:08,129 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 353 [2023-01-27 22:01:08,130 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) [2023-01-27 22:01:08,130 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:01:08,130 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 353 [2023-01-27 22:01:08,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:01:29,394 INFO L130 PetriNetUnfolder]: 17365/28959 cut-off events. [2023-01-27 22:01:29,394 INFO L131 PetriNetUnfolder]: For 1551562/1552026 co-relation queries the response was YES. [2023-01-27 22:01:29,698 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. [2023-01-27 22:01:29,837 INFO L137 encePairwiseOnDemand]: 344/353 looper letters, 2296 selfloop transitions, 300 changer transitions 337/3044 dead transitions. [2023-01-27 22:01:29,838 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 3044 transitions, 95258 flow [2023-01-27 22:01:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-01-27 22:01:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-01-27 22:01:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1866 transitions. [2023-01-27 22:01:29,841 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.377579927154998 [2023-01-27 22:01:29,841 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1866 transitions. [2023-01-27 22:01:29,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1866 transitions. [2023-01-27 22:01:29,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:01:29,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1866 transitions. [2023-01-27 22:01:29,849 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) [2023-01-27 22:01:29,852 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) [2023-01-27 22:01:29,852 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) [2023-01-27 22:01:29,852 INFO L175 Difference]: Start difference. First operand has 543 places, 3751 transitions, 126448 flow. Second operand 14 states and 1866 transitions. [2023-01-27 22:01:29,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 3044 transitions, 95258 flow [2023-01-27 22:01:50,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 3044 transitions, 91329 flow, removed 435 selfloop flow, removed 10 redundant places. [2023-01-27 22:01:50,237 INFO L231 Difference]: Finished difference. Result has 540 places, 2481 transitions, 71403 flow [2023-01-27 22:01:50,239 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} [2023-01-27 22:01:50,239 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 507 predicate places. [2023-01-27 22:01:50,239 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 2481 transitions, 71403 flow [2023-01-27 22:01:50,239 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) [2023-01-27 22:01:50,239 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:01:50,239 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] [2023-01-27 22:01:50,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-01-27 22:01:50,440 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 [2023-01-27 22:01:50,440 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)] === [2023-01-27 22:01:50,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:01:50,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1310478255, now seen corresponding path program 1 times [2023-01-27 22:01:50,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:01:50,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873298419] [2023-01-27 22:01:50,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:01:50,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:01:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:01:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:01:50,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:01:50,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873298419] [2023-01-27 22:01:50,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873298419] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:01:50,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320505913] [2023-01-27 22:01:50,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:01:50,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:01:50,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:01:50,525 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) [2023-01-27 22:01:50,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-01-27 22:01:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:01:50,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-27 22:01:50,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:01:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:01:50,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:01:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:01:50,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320505913] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:01:50,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:01:50,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2023-01-27 22:01:50,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455229885] [2023-01-27 22:01:50,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:01:50,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-01-27 22:01:50,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:01:50,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-01-27 22:01:50,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-01-27 22:01:50,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:01:50,755 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) [2023-01-27 22:01:50,755 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:01:50,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:01:50,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:02:06,453 INFO L130 PetriNetUnfolder]: 17062/28132 cut-off events. [2023-01-27 22:02:06,453 INFO L131 PetriNetUnfolder]: For 1020302/1020506 co-relation queries the response was YES. [2023-01-27 22:02:06,706 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. [2023-01-27 22:02:06,829 INFO L137 encePairwiseOnDemand]: 343/353 looper letters, 2098 selfloop transitions, 777 changer transitions 101/3047 dead transitions. [2023-01-27 22:02:06,830 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 3047 transitions, 86910 flow [2023-01-27 22:02:06,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-01-27 22:02:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-01-27 22:02:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 3410 transitions. [2023-01-27 22:02:06,833 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3715406406624537 [2023-01-27 22:02:06,833 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 3410 transitions. [2023-01-27 22:02:06,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 3410 transitions. [2023-01-27 22:02:06,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:02:06,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 3410 transitions. [2023-01-27 22:02:06,835 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) [2023-01-27 22:02:06,840 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) [2023-01-27 22:02:06,841 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) [2023-01-27 22:02:06,841 INFO L175 Difference]: Start difference. First operand has 540 places, 2481 transitions, 71403 flow. Second operand 26 states and 3410 transitions. [2023-01-27 22:02:06,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 3047 transitions, 86910 flow [2023-01-27 22:02:24,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 3047 transitions, 85032 flow, removed 222 selfloop flow, removed 31 redundant places. [2023-01-27 22:02:24,792 INFO L231 Difference]: Finished difference. Result has 539 places, 2657 transitions, 76289 flow [2023-01-27 22:02:24,794 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} [2023-01-27 22:02:24,794 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 506 predicate places. [2023-01-27 22:02:24,795 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 2657 transitions, 76289 flow [2023-01-27 22:02:24,795 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) [2023-01-27 22:02:24,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:02:24,795 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] [2023-01-27 22:02:24,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-01-27 22:02:24,995 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 [2023-01-27 22:02:24,996 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)] === [2023-01-27 22:02:24,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:02:24,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1910854271, now seen corresponding path program 18 times [2023-01-27 22:02:24,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:02:24,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613860036] [2023-01-27 22:02:24,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:02:24,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:02:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:02:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:02:25,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:02:25,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613860036] [2023-01-27 22:02:25,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613860036] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:02:25,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142059385] [2023-01-27 22:02:25,072 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-27 22:02:25,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:02:25,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:02:25,073 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) [2023-01-27 22:02:25,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-01-27 22:02:25,196 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-27 22:02:25,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:02:25,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-27 22:02:25,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:02:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:02:25,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:02:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:02:25,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142059385] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:02:25,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:02:25,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2023-01-27 22:02:25,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619240936] [2023-01-27 22:02:25,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:02:25,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-01-27 22:02:25,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:02:25,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-01-27 22:02:25,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-01-27 22:02:25,293 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 353 [2023-01-27 22:02:25,294 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) [2023-01-27 22:02:25,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:02:25,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 353 [2023-01-27 22:02:25,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:02:35,314 INFO L130 PetriNetUnfolder]: 11024/17938 cut-off events. [2023-01-27 22:02:35,314 INFO L131 PetriNetUnfolder]: For 682192/682592 co-relation queries the response was YES. [2023-01-27 22:02:35,610 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. [2023-01-27 22:02:35,685 INFO L137 encePairwiseOnDemand]: 346/353 looper letters, 1647 selfloop transitions, 223 changer transitions 481/2410 dead transitions. [2023-01-27 22:02:35,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 2410 transitions, 71033 flow [2023-01-27 22:02:35,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-27 22:02:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-01-27 22:02:35,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1103 transitions. [2023-01-27 22:02:35,687 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39058073654390935 [2023-01-27 22:02:35,687 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1103 transitions. [2023-01-27 22:02:35,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1103 transitions. [2023-01-27 22:02:35,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:02:35,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1103 transitions. [2023-01-27 22:02:35,688 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) [2023-01-27 22:02:35,689 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) [2023-01-27 22:02:35,689 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) [2023-01-27 22:02:35,689 INFO L175 Difference]: Start difference. First operand has 539 places, 2657 transitions, 76289 flow. Second operand 8 states and 1103 transitions. [2023-01-27 22:02:35,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 2410 transitions, 71033 flow [2023-01-27 22:02:43,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 2410 transitions, 69024 flow, removed 391 selfloop flow, removed 19 redundant places. [2023-01-27 22:02:43,238 INFO L231 Difference]: Finished difference. Result has 523 places, 1721 transitions, 46941 flow [2023-01-27 22:02:43,239 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} [2023-01-27 22:02:43,239 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 490 predicate places. [2023-01-27 22:02:43,239 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 1721 transitions, 46941 flow [2023-01-27 22:02:43,240 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) [2023-01-27 22:02:43,240 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:02:43,240 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] [2023-01-27 22:02:43,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-01-27 22:02:43,444 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 [2023-01-27 22:02:43,445 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)] === [2023-01-27 22:02:43,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:02:43,445 INFO L85 PathProgramCache]: Analyzing trace with hash 383481661, now seen corresponding path program 2 times [2023-01-27 22:02:43,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:02:43,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981927125] [2023-01-27 22:02:43,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:02:43,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:02:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:02:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:02:43,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:02:43,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981927125] [2023-01-27 22:02:43,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981927125] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:02:43,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556061669] [2023-01-27 22:02:43,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-27 22:02:43,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:02:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:02:43,528 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) [2023-01-27 22:02:43,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-01-27 22:02:43,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-27 22:02:43,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:02:43,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-27 22:02:43,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:02:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:02:43,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:02:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:02:43,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556061669] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:02:43,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:02:43,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-01-27 22:02:43,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189078570] [2023-01-27 22:02:43,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:02:43,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-27 22:02:43,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:02:43,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-27 22:02:43,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-01-27 22:02:43,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:02:43,761 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) [2023-01-27 22:02:43,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:02:43,761 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:02:43,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:02:52,435 INFO L130 PetriNetUnfolder]: 12543/20618 cut-off events. [2023-01-27 22:02:52,435 INFO L131 PetriNetUnfolder]: For 698733/698939 co-relation queries the response was YES. [2023-01-27 22:02:52,611 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. [2023-01-27 22:02:52,699 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1791 selfloop transitions, 479 changer transitions 116/2435 dead transitions. [2023-01-27 22:02:52,700 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 2435 transitions, 67395 flow [2023-01-27 22:02:52,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-01-27 22:02:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-01-27 22:02:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2891 transitions. [2023-01-27 22:02:52,702 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.372263713623487 [2023-01-27 22:02:52,702 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2891 transitions. [2023-01-27 22:02:52,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2891 transitions. [2023-01-27 22:02:52,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:02:52,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2891 transitions. [2023-01-27 22:02:52,704 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) [2023-01-27 22:02:52,707 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) [2023-01-27 22:02:52,707 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) [2023-01-27 22:02:52,707 INFO L175 Difference]: Start difference. First operand has 523 places, 1721 transitions, 46941 flow. Second operand 22 states and 2891 transitions. [2023-01-27 22:02:52,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 2435 transitions, 67395 flow [2023-01-27 22:03:01,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 2435 transitions, 66016 flow, removed 267 selfloop flow, removed 24 redundant places. [2023-01-27 22:03:01,182 INFO L231 Difference]: Finished difference. Result has 510 places, 1883 transitions, 52080 flow [2023-01-27 22:03:01,183 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} [2023-01-27 22:03:01,183 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 477 predicate places. [2023-01-27 22:03:01,184 INFO L495 AbstractCegarLoop]: Abstraction has has 510 places, 1883 transitions, 52080 flow [2023-01-27 22:03:01,184 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) [2023-01-27 22:03:01,184 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:03:01,184 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] [2023-01-27 22:03:01,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-01-27 22:03:01,384 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 [2023-01-27 22:03:01,385 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)] === [2023-01-27 22:03:01,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:03:01,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1704698617, now seen corresponding path program 3 times [2023-01-27 22:03:01,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:03:01,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81808] [2023-01-27 22:03:01,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:03:01,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:03:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:03:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:03:01,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:03:01,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81808] [2023-01-27 22:03:01,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81808] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:03:01,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857474383] [2023-01-27 22:03:01,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-27 22:03:01,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:03:01,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:03:01,463 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) [2023-01-27 22:03:01,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-01-27 22:03:01,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-27 22:03:01,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:03:01,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-27 22:03:01,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:03:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:03:01,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:03:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:03:01,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857474383] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:03:01,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:03:01,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-01-27 22:03:01,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191457491] [2023-01-27 22:03:01,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:03:01,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-27 22:03:01,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:03:01,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-27 22:03:01,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2023-01-27 22:03:01,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:03:01,750 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) [2023-01-27 22:03:01,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:03:01,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:03:01,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:03:10,408 INFO L130 PetriNetUnfolder]: 11781/19199 cut-off events. [2023-01-27 22:03:10,408 INFO L131 PetriNetUnfolder]: For 719179/719419 co-relation queries the response was YES. [2023-01-27 22:03:10,573 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. [2023-01-27 22:03:10,683 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1811 selfloop transitions, 386 changer transitions 90/2336 dead transitions. [2023-01-27 22:03:10,683 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 2336 transitions, 66113 flow [2023-01-27 22:03:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-01-27 22:03:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-01-27 22:03:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2725 transitions. [2023-01-27 22:03:10,685 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36759746391474435 [2023-01-27 22:03:10,685 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2725 transitions. [2023-01-27 22:03:10,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2725 transitions. [2023-01-27 22:03:10,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:03:10,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2725 transitions. [2023-01-27 22:03:10,687 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) [2023-01-27 22:03:10,690 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) [2023-01-27 22:03:10,691 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) [2023-01-27 22:03:10,691 INFO L175 Difference]: Start difference. First operand has 510 places, 1883 transitions, 52080 flow. Second operand 21 states and 2725 transitions. [2023-01-27 22:03:10,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 2336 transitions, 66113 flow [2023-01-27 22:03:17,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 2336 transitions, 65576 flow, removed 94 selfloop flow, removed 10 redundant places. [2023-01-27 22:03:17,495 INFO L231 Difference]: Finished difference. Result has 520 places, 1857 transitions, 51510 flow [2023-01-27 22:03:17,496 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} [2023-01-27 22:03:17,497 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 487 predicate places. [2023-01-27 22:03:17,497 INFO L495 AbstractCegarLoop]: Abstraction has has 520 places, 1857 transitions, 51510 flow [2023-01-27 22:03:17,497 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) [2023-01-27 22:03:17,497 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:03:17,497 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] [2023-01-27 22:03:17,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-01-27 22:03:17,698 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 [2023-01-27 22:03:17,698 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)] === [2023-01-27 22:03:17,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:03:17,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1573255193, now seen corresponding path program 4 times [2023-01-27 22:03:17,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:03:17,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668634642] [2023-01-27 22:03:17,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:03:17,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:03:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:03:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 22:03:17,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:03:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668634642] [2023-01-27 22:03:17,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668634642] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:03:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991634842] [2023-01-27 22:03:17,772 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-27 22:03:17,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:03:17,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:03:17,773 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) [2023-01-27 22:03:17,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-01-27 22:03:17,918 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-27 22:03:17,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:03:17,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-27 22:03:17,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:03:17,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 22:03:17,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:03:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 22:03:18,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991634842] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:03:18,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:03:18,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-01-27 22:03:18,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163440538] [2023-01-27 22:03:18,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:03:18,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-27 22:03:18,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:03:18,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-27 22:03:18,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-01-27 22:03:18,043 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:03:18,044 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) [2023-01-27 22:03:18,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:03:18,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:03:18,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:03:24,967 INFO L130 PetriNetUnfolder]: 10037/16451 cut-off events. [2023-01-27 22:03:24,967 INFO L131 PetriNetUnfolder]: For 605492/605728 co-relation queries the response was YES. [2023-01-27 22:03:25,072 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. [2023-01-27 22:03:25,150 INFO L137 encePairwiseOnDemand]: 342/353 looper letters, 1540 selfloop transitions, 313 changer transitions 133/2027 dead transitions. [2023-01-27 22:03:25,150 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 2027 transitions, 58544 flow [2023-01-27 22:03:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-27 22:03:25,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-27 22:03:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2081 transitions. [2023-01-27 22:03:25,152 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3684490084985836 [2023-01-27 22:03:25,152 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2081 transitions. [2023-01-27 22:03:25,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2081 transitions. [2023-01-27 22:03:25,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:03:25,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2081 transitions. [2023-01-27 22:03:25,153 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) [2023-01-27 22:03:25,155 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) [2023-01-27 22:03:25,156 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) [2023-01-27 22:03:25,156 INFO L175 Difference]: Start difference. First operand has 520 places, 1857 transitions, 51510 flow. Second operand 16 states and 2081 transitions. [2023-01-27 22:03:25,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 2027 transitions, 58544 flow [2023-01-27 22:03:29,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 2027 transitions, 57606 flow, removed 91 selfloop flow, removed 17 redundant places. [2023-01-27 22:03:30,019 INFO L231 Difference]: Finished difference. Result has 510 places, 1629 transitions, 45254 flow [2023-01-27 22:03:30,020 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} [2023-01-27 22:03:30,020 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 477 predicate places. [2023-01-27 22:03:30,020 INFO L495 AbstractCegarLoop]: Abstraction has has 510 places, 1629 transitions, 45254 flow [2023-01-27 22:03:30,021 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) [2023-01-27 22:03:30,021 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:03:30,021 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] [2023-01-27 22:03:30,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-01-27 22:03:30,226 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 [2023-01-27 22:03:30,226 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)] === [2023-01-27 22:03:30,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:03:30,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2028315385, now seen corresponding path program 5 times [2023-01-27 22:03:30,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:03:30,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154787112] [2023-01-27 22:03:30,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:03:30,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:03:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:03:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:03:30,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:03:30,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154787112] [2023-01-27 22:03:30,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154787112] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:03:30,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216559499] [2023-01-27 22:03:30,299 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-27 22:03:30,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:03:30,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:03:30,301 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) [2023-01-27 22:03:30,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-01-27 22:03:30,415 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-01-27 22:03:30,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:03:30,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-27 22:03:30,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:03:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:03:30,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:03:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-01-27 22:03:30,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216559499] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:03:30,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:03:30,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-01-27 22:03:30,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244766663] [2023-01-27 22:03:30,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:03:30,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-27 22:03:30,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:03:30,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-27 22:03:30,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-01-27 22:03:30,566 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:03:30,567 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) [2023-01-27 22:03:30,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:03:30,567 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:03:30,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:03:36,639 INFO L130 PetriNetUnfolder]: 9544/15472 cut-off events. [2023-01-27 22:03:36,640 INFO L131 PetriNetUnfolder]: For 531193/531421 co-relation queries the response was YES. [2023-01-27 22:03:36,738 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. [2023-01-27 22:03:36,938 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1514 selfloop transitions, 275 changer transitions 95/1924 dead transitions. [2023-01-27 22:03:36,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 1924 transitions, 55656 flow [2023-01-27 22:03:36,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-27 22:03:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-01-27 22:03:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2064 transitions. [2023-01-27 22:03:36,940 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3654390934844193 [2023-01-27 22:03:36,940 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2064 transitions. [2023-01-27 22:03:36,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2064 transitions. [2023-01-27 22:03:36,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:03:36,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2064 transitions. [2023-01-27 22:03:36,942 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) [2023-01-27 22:03:36,944 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) [2023-01-27 22:03:36,944 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) [2023-01-27 22:03:36,944 INFO L175 Difference]: Start difference. First operand has 510 places, 1629 transitions, 45254 flow. Second operand 16 states and 2064 transitions. [2023-01-27 22:03:36,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 1924 transitions, 55656 flow [2023-01-27 22:03:41,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 1924 transitions, 54594 flow, removed 82 selfloop flow, removed 26 redundant places. [2023-01-27 22:03:41,359 INFO L231 Difference]: Finished difference. Result has 488 places, 1606 transitions, 44312 flow [2023-01-27 22:03:41,360 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} [2023-01-27 22:03:41,361 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 455 predicate places. [2023-01-27 22:03:41,361 INFO L495 AbstractCegarLoop]: Abstraction has has 488 places, 1606 transitions, 44312 flow [2023-01-27 22:03:41,361 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) [2023-01-27 22:03:41,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:03:41,361 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] [2023-01-27 22:03:41,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-01-27 22:03:41,566 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 [2023-01-27 22:03:41,566 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)] === [2023-01-27 22:03:41,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:03:41,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1093084191, now seen corresponding path program 6 times [2023-01-27 22:03:41,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:03:41,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807525505] [2023-01-27 22:03:41,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:03:41,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:03:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:03:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 22:03:41,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:03:41,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807525505] [2023-01-27 22:03:41,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807525505] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:03:41,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277157894] [2023-01-27 22:03:41,644 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-27 22:03:41,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:03:41,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:03:41,645 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) [2023-01-27 22:03:41,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-01-27 22:03:41,772 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-27 22:03:41,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:03:41,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-01-27 22:03:41,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:03:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 22:03:41,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:03:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-01-27 22:03:41,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277157894] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:03:41,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:03:41,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-01-27 22:03:41,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159416033] [2023-01-27 22:03:41,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:03:41,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-01-27 22:03:41,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:03:41,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-01-27 22:03:41,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-01-27 22:03:41,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:03:41,878 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) [2023-01-27 22:03:41,878 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:03:41,878 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:03:41,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:03:46,026 INFO L130 PetriNetUnfolder]: 7070/11224 cut-off events. [2023-01-27 22:03:46,027 INFO L131 PetriNetUnfolder]: For 418865/419091 co-relation queries the response was YES. [2023-01-27 22:03:46,096 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. [2023-01-27 22:03:46,151 INFO L137 encePairwiseOnDemand]: 343/353 looper letters, 1145 selfloop transitions, 97 changer transitions 165/1434 dead transitions. [2023-01-27 22:03:46,151 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 1434 transitions, 41728 flow [2023-01-27 22:03:46,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-01-27 22:03:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-01-27 22:03:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1541 transitions. [2023-01-27 22:03:46,152 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3637865911237016 [2023-01-27 22:03:46,152 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1541 transitions. [2023-01-27 22:03:46,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1541 transitions. [2023-01-27 22:03:46,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:03:46,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1541 transitions. [2023-01-27 22:03:46,154 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) [2023-01-27 22:03:46,155 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) [2023-01-27 22:03:46,155 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) [2023-01-27 22:03:46,156 INFO L175 Difference]: Start difference. First operand has 488 places, 1606 transitions, 44312 flow. Second operand 12 states and 1541 transitions. [2023-01-27 22:03:46,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 1434 transitions, 41728 flow [2023-01-27 22:03:48,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 1434 transitions, 40599 flow, removed 134 selfloop flow, removed 29 redundant places. [2023-01-27 22:03:48,862 INFO L231 Difference]: Finished difference. Result has 431 places, 1117 transitions, 30594 flow [2023-01-27 22:03:48,862 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} [2023-01-27 22:03:48,863 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 398 predicate places. [2023-01-27 22:03:48,863 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 1117 transitions, 30594 flow [2023-01-27 22:03:48,863 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) [2023-01-27 22:03:48,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:03:48,863 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] [2023-01-27 22:03:48,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-01-27 22:03:49,063 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 [2023-01-27 22:03:49,064 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)] === [2023-01-27 22:03:49,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:03:49,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1610843438, now seen corresponding path program 19 times [2023-01-27 22:03:49,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:03:49,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976057104] [2023-01-27 22:03:49,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:03:49,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:03:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:03:49,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:03:49,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:03:49,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976057104] [2023-01-27 22:03:49,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976057104] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:03:49,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733022204] [2023-01-27 22:03:49,148 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-27 22:03:49,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:03:49,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:03:49,149 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) [2023-01-27 22:03:49,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-01-27 22:03:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:03:49,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-27 22:03:49,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:03:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:03:49,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:03:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:03:49,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733022204] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:03:49,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:03:49,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2023-01-27 22:03:49,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34595374] [2023-01-27 22:03:49,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:03:49,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-27 22:03:49,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:03:49,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-27 22:03:49,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2023-01-27 22:03:49,460 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:03:49,461 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) [2023-01-27 22:03:49,461 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:03:49,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:03:49,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:03:55,358 INFO L130 PetriNetUnfolder]: 11984/18269 cut-off events. [2023-01-27 22:03:55,358 INFO L131 PetriNetUnfolder]: For 673621/673925 co-relation queries the response was YES. [2023-01-27 22:03:55,456 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. [2023-01-27 22:03:55,551 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1185 selfloop transitions, 1060 changer transitions 0/2272 dead transitions. [2023-01-27 22:03:55,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 2272 transitions, 61549 flow [2023-01-27 22:03:55,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-01-27 22:03:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2023-01-27 22:03:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 5209 transitions. [2023-01-27 22:03:55,555 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36890934844192635 [2023-01-27 22:03:55,555 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 5209 transitions. [2023-01-27 22:03:55,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 5209 transitions. [2023-01-27 22:03:55,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:03:55,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 5209 transitions. [2023-01-27 22:03:55,558 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) [2023-01-27 22:03:55,563 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) [2023-01-27 22:03:55,564 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) [2023-01-27 22:03:55,564 INFO L175 Difference]: Start difference. First operand has 431 places, 1117 transitions, 30594 flow. Second operand 40 states and 5209 transitions. [2023-01-27 22:03:55,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 2272 transitions, 61549 flow [2023-01-27 22:04:00,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 2272 transitions, 56502 flow, removed 463 selfloop flow, removed 25 redundant places. [2023-01-27 22:04:00,716 INFO L231 Difference]: Finished difference. Result has 382 places, 1599 transitions, 44715 flow [2023-01-27 22:04:00,717 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} [2023-01-27 22:04:00,717 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 349 predicate places. [2023-01-27 22:04:00,718 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 1599 transitions, 44715 flow [2023-01-27 22:04:00,718 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) [2023-01-27 22:04:00,718 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:04:00,718 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] [2023-01-27 22:04:00,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-01-27 22:04:00,923 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 [2023-01-27 22:04:00,924 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)] === [2023-01-27 22:04:00,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:04:00,924 INFO L85 PathProgramCache]: Analyzing trace with hash 748663382, now seen corresponding path program 20 times [2023-01-27 22:04:00,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:04:00,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712616635] [2023-01-27 22:04:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:04:00,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:04:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:04:01,013 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:01,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:04:01,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712616635] [2023-01-27 22:04:01,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712616635] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:04:01,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032873211] [2023-01-27 22:04:01,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-27 22:04:01,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:04:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:04:01,014 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) [2023-01-27 22:04:01,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-01-27 22:04:01,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-27 22:04:01,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:04:01,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-27 22:04:01,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:04:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:01,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:04:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:01,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032873211] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:04:01,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:04:01,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-01-27 22:04:01,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364880708] [2023-01-27 22:04:01,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:04:01,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-01-27 22:04:01,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:04:01,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-01-27 22:04:01,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2023-01-27 22:04:01,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:04:01,280 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) [2023-01-27 22:04:01,280 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:04:01,281 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:04:01,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:04:07,756 INFO L130 PetriNetUnfolder]: 11906/18129 cut-off events. [2023-01-27 22:04:07,756 INFO L131 PetriNetUnfolder]: For 669845/670101 co-relation queries the response was YES. [2023-01-27 22:04:07,871 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. [2023-01-27 22:04:07,970 INFO L137 encePairwiseOnDemand]: 342/353 looper letters, 747 selfloop transitions, 1022 changer transitions 0/1795 dead transitions. [2023-01-27 22:04:07,970 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 1795 transitions, 52704 flow [2023-01-27 22:04:07,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-01-27 22:04:07,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-01-27 22:04:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1677 transitions. [2023-01-27 22:04:07,972 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3654390934844193 [2023-01-27 22:04:07,972 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1677 transitions. [2023-01-27 22:04:07,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1677 transitions. [2023-01-27 22:04:07,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:04:07,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1677 transitions. [2023-01-27 22:04:07,974 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) [2023-01-27 22:04:07,975 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) [2023-01-27 22:04:07,976 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) [2023-01-27 22:04:07,976 INFO L175 Difference]: Start difference. First operand has 382 places, 1599 transitions, 44715 flow. Second operand 13 states and 1677 transitions. [2023-01-27 22:04:07,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 1795 transitions, 52704 flow [2023-01-27 22:04:13,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 1795 transitions, 49333 flow, removed 249 selfloop flow, removed 13 redundant places. [2023-01-27 22:04:13,671 INFO L231 Difference]: Finished difference. Result has 371 places, 1629 transitions, 46096 flow [2023-01-27 22:04:13,671 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} [2023-01-27 22:04:13,672 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 338 predicate places. [2023-01-27 22:04:13,672 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 1629 transitions, 46096 flow [2023-01-27 22:04:13,672 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) [2023-01-27 22:04:13,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:04:13,673 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] [2023-01-27 22:04:13,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-01-27 22:04:13,878 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 [2023-01-27 22:04:13,878 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)] === [2023-01-27 22:04:13,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:04:13,878 INFO L85 PathProgramCache]: Analyzing trace with hash -941714298, now seen corresponding path program 21 times [2023-01-27 22:04:13,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:04:13,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835798627] [2023-01-27 22:04:13,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:04:13,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:04:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:04:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:13,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:04:13,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835798627] [2023-01-27 22:04:13,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835798627] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:04:13,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007277750] [2023-01-27 22:04:13,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-01-27 22:04:13,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:04:13,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:04:13,963 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) [2023-01-27 22:04:13,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-01-27 22:04:14,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-01-27 22:04:14,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:04:14,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-27 22:04:14,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:04:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:14,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:04:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:14,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007277750] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:04:14,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:04:14,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-01-27 22:04:14,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358532059] [2023-01-27 22:04:14,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:04:14,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-27 22:04:14,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:04:14,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-27 22:04:14,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2023-01-27 22:04:14,253 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:04:14,254 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) [2023-01-27 22:04:14,254 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:04:14,254 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:04:14,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:04:20,968 INFO L130 PetriNetUnfolder]: 12139/18428 cut-off events. [2023-01-27 22:04:20,968 INFO L131 PetriNetUnfolder]: For 675766/676008 co-relation queries the response was YES. [2023-01-27 22:04:21,078 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. [2023-01-27 22:04:21,180 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 677 selfloop transitions, 1224 changer transitions 0/1926 dead transitions. [2023-01-27 22:04:21,181 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 1926 transitions, 55611 flow [2023-01-27 22:04:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-27 22:04:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-01-27 22:04:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2331 transitions. [2023-01-27 22:04:21,183 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3668555240793201 [2023-01-27 22:04:21,183 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2331 transitions. [2023-01-27 22:04:21,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2331 transitions. [2023-01-27 22:04:21,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:04:21,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2331 transitions. [2023-01-27 22:04:21,185 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) [2023-01-27 22:04:21,187 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) [2023-01-27 22:04:21,187 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) [2023-01-27 22:04:21,187 INFO L175 Difference]: Start difference. First operand has 371 places, 1629 transitions, 46096 flow. Second operand 18 states and 2331 transitions. [2023-01-27 22:04:21,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 1926 transitions, 55611 flow [2023-01-27 22:04:26,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 1926 transitions, 54800 flow, removed 22 selfloop flow, removed 8 redundant places. [2023-01-27 22:04:27,029 INFO L231 Difference]: Finished difference. Result has 375 places, 1678 transitions, 49379 flow [2023-01-27 22:04:27,030 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} [2023-01-27 22:04:27,030 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 342 predicate places. [2023-01-27 22:04:27,030 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 1678 transitions, 49379 flow [2023-01-27 22:04:27,030 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) [2023-01-27 22:04:27,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:04:27,030 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] [2023-01-27 22:04:27,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-01-27 22:04:27,235 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 [2023-01-27 22:04:27,235 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)] === [2023-01-27 22:04:27,236 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:04:27,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1860522858, now seen corresponding path program 22 times [2023-01-27 22:04:27,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:04:27,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179204807] [2023-01-27 22:04:27,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:04:27,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:04:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:04:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:27,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:04:27,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179204807] [2023-01-27 22:04:27,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179204807] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:04:27,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582100503] [2023-01-27 22:04:27,328 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-01-27 22:04:27,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:04:27,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:04:27,329 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) [2023-01-27 22:04:27,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-01-27 22:04:27,457 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-01-27 22:04:27,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:04:27,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-27 22:04:27,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:04:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:27,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:04:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:27,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582100503] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:04:27,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:04:27,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2023-01-27 22:04:27,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743762743] [2023-01-27 22:04:27,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:04:27,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-27 22:04:27,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:04:27,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-27 22:04:27,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2023-01-27 22:04:27,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:04:27,632 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) [2023-01-27 22:04:27,633 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:04:27,633 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:04:27,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:04:35,095 INFO L130 PetriNetUnfolder]: 13264/20060 cut-off events. [2023-01-27 22:04:35,095 INFO L131 PetriNetUnfolder]: For 762475/762809 co-relation queries the response was YES. [2023-01-27 22:04:35,225 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. [2023-01-27 22:04:35,333 INFO L137 encePairwiseOnDemand]: 341/353 looper letters, 1171 selfloop transitions, 1067 changer transitions 0/2263 dead transitions. [2023-01-27 22:04:35,334 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 2263 transitions, 67946 flow [2023-01-27 22:04:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-01-27 22:04:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-01-27 22:04:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2334 transitions. [2023-01-27 22:04:35,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36732766761095376 [2023-01-27 22:04:35,336 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2334 transitions. [2023-01-27 22:04:35,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2334 transitions. [2023-01-27 22:04:35,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:04:35,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2334 transitions. [2023-01-27 22:04:35,338 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) [2023-01-27 22:04:35,340 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) [2023-01-27 22:04:35,340 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) [2023-01-27 22:04:35,340 INFO L175 Difference]: Start difference. First operand has 375 places, 1678 transitions, 49379 flow. Second operand 18 states and 2334 transitions. [2023-01-27 22:04:35,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 2263 transitions, 67946 flow [2023-01-27 22:04:42,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 2263 transitions, 66589 flow, removed 8 selfloop flow, removed 10 redundant places. [2023-01-27 22:04:42,554 INFO L231 Difference]: Finished difference. Result has 386 places, 1881 transitions, 58220 flow [2023-01-27 22:04:42,555 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} [2023-01-27 22:04:42,555 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 353 predicate places. [2023-01-27 22:04:42,555 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 1881 transitions, 58220 flow [2023-01-27 22:04:42,555 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) [2023-01-27 22:04:42,555 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:04:42,555 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] [2023-01-27 22:04:42,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-01-27 22:04:42,757 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 [2023-01-27 22:04:42,757 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)] === [2023-01-27 22:04:42,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:04:42,757 INFO L85 PathProgramCache]: Analyzing trace with hash 97842876, now seen corresponding path program 23 times [2023-01-27 22:04:42,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:04:42,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894542854] [2023-01-27 22:04:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:04:42,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:04:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:04:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:04:42,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:04:42,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894542854] [2023-01-27 22:04:42,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894542854] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:04:42,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155119931] [2023-01-27 22:04:42,840 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-01-27 22:04:42,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:04:42,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:04:42,841 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) [2023-01-27 22:04:42,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-01-27 22:04:42,971 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-01-27 22:04:42,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:04:42,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-27 22:04:42,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:04:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:43,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:04:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:04:43,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155119931] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:04:43,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:04:43,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 19 [2023-01-27 22:04:43,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006947229] [2023-01-27 22:04:43,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:04:43,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-27 22:04:43,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:04:43,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-27 22:04:43,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2023-01-27 22:04:43,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 353 [2023-01-27 22:04:43,123 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) [2023-01-27 22:04:43,123 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:04:43,123 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 353 [2023-01-27 22:04:43,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:04:56,643 INFO L130 PetriNetUnfolder]: 18502/27610 cut-off events. [2023-01-27 22:04:56,643 INFO L131 PetriNetUnfolder]: For 1068983/1068983 co-relation queries the response was YES. [2023-01-27 22:04:56,836 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. [2023-01-27 22:04:56,994 INFO L137 encePairwiseOnDemand]: 339/353 looper letters, 1243 selfloop transitions, 2839 changer transitions 0/4082 dead transitions. [2023-01-27 22:04:56,994 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 4082 transitions, 119242 flow [2023-01-27 22:04:56,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-01-27 22:04:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2023-01-27 22:04:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 14904 transitions. [2023-01-27 22:04:57,002 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35479800985550025 [2023-01-27 22:04:57,002 INFO L72 ComplementDD]: Start complementDD. Operand 119 states and 14904 transitions. [2023-01-27 22:04:57,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 14904 transitions. [2023-01-27 22:04:57,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:04:57,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 119 states and 14904 transitions. [2023-01-27 22:04:57,013 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) [2023-01-27 22:04:57,031 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) [2023-01-27 22:04:57,036 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) [2023-01-27 22:04:57,036 INFO L175 Difference]: Start difference. First operand has 386 places, 1881 transitions, 58220 flow. Second operand 119 states and 14904 transitions. [2023-01-27 22:04:57,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 4082 transitions, 119242 flow [2023-01-27 22:05:09,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 4082 transitions, 118809 flow, removed 20 selfloop flow, removed 5 redundant places. [2023-01-27 22:05:09,945 INFO L231 Difference]: Finished difference. Result has 523 places, 3227 transitions, 103098 flow [2023-01-27 22:05:09,946 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} [2023-01-27 22:05:09,946 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 490 predicate places. [2023-01-27 22:05:09,946 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 3227 transitions, 103098 flow [2023-01-27 22:05:09,947 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) [2023-01-27 22:05:09,947 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:05:09,947 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] [2023-01-27 22:05:09,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-01-27 22:05:10,147 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 [2023-01-27 22:05:10,150 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)] === [2023-01-27 22:05:10,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:05:10,150 INFO L85 PathProgramCache]: Analyzing trace with hash 781787180, now seen corresponding path program 24 times [2023-01-27 22:05:10,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:05:10,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166888273] [2023-01-27 22:05:10,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:05:10,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:05:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:05:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:05:10,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:05:10,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166888273] [2023-01-27 22:05:10,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166888273] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:05:10,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020069797] [2023-01-27 22:05:10,238 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-01-27 22:05:10,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:05:10,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:05:10,239 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) [2023-01-27 22:05:10,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-01-27 22:05:10,383 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2023-01-27 22:05:10,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-27 22:05:10,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-27 22:05:10,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:05:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:05:10,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:05:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-27 22:05:10,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020069797] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:05:10,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:05:10,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-01-27 22:05:10,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442905380] [2023-01-27 22:05:10,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:05:10,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-27 22:05:10,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:05:10,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-27 22:05:10,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-01-27 22:05:10,537 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:05:10,539 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) [2023-01-27 22:05:10,539 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:05:10,539 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:05:10,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 22:05:26,250 INFO L130 PetriNetUnfolder]: 18231/27275 cut-off events. [2023-01-27 22:05:26,250 INFO L131 PetriNetUnfolder]: For 1216068/1216262 co-relation queries the response was YES. [2023-01-27 22:05:26,487 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. [2023-01-27 22:05:26,651 INFO L137 encePairwiseOnDemand]: 340/353 looper letters, 1150 selfloop transitions, 2174 changer transitions 0/3425 dead transitions. [2023-01-27 22:05:26,651 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 3425 transitions, 113037 flow [2023-01-27 22:05:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-27 22:05:26,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-01-27 22:05:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2191 transitions. [2023-01-27 22:05:26,653 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36510581569738376 [2023-01-27 22:05:26,653 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2191 transitions. [2023-01-27 22:05:26,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2191 transitions. [2023-01-27 22:05:26,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 22:05:26,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2191 transitions. [2023-01-27 22:05:26,654 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) [2023-01-27 22:05:26,657 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) [2023-01-27 22:05:26,657 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) [2023-01-27 22:05:26,657 INFO L175 Difference]: Start difference. First operand has 523 places, 3227 transitions, 103098 flow. Second operand 17 states and 2191 transitions. [2023-01-27 22:05:26,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 3425 transitions, 113037 flow [2023-01-27 22:05:44,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 3425 transitions, 108943 flow, removed 727 selfloop flow, removed 15 redundant places. [2023-01-27 22:05:44,133 INFO L231 Difference]: Finished difference. Result has 523 places, 3238 transitions, 104022 flow [2023-01-27 22:05:44,135 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} [2023-01-27 22:05:44,135 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 490 predicate places. [2023-01-27 22:05:44,135 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 3238 transitions, 104022 flow [2023-01-27 22:05:44,135 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) [2023-01-27 22:05:44,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 22:05:44,136 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] [2023-01-27 22:05:44,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2023-01-27 22:05:44,336 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 [2023-01-27 22:05:44,336 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)] === [2023-01-27 22:05:44,336 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 22:05:44,337 INFO L85 PathProgramCache]: Analyzing trace with hash -89885484, now seen corresponding path program 25 times [2023-01-27 22:05:44,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 22:05:44,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650642561] [2023-01-27 22:05:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 22:05:44,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 22:05:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:05:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:05:44,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 22:05:44,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650642561] [2023-01-27 22:05:44,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650642561] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-27 22:05:44,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575681581] [2023-01-27 22:05:44,417 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-01-27 22:05:44,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-27 22:05:44,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 22:05:44,418 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) [2023-01-27 22:05:44,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-01-27 22:05:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 22:05:44,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-01-27 22:05:44,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-27 22:05:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:05:44,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-27 22:05:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-01-27 22:05:44,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575681581] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-27 22:05:44,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-27 22:05:44,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-01-27 22:05:44,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930841308] [2023-01-27 22:05:44,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-27 22:05:44,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-27 22:05:44,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 22:05:44,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-27 22:05:44,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2023-01-27 22:05:44,684 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 353 [2023-01-27 22:05:44,685 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) [2023-01-27 22:05:44,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 22:05:44,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 353 [2023-01-27 22:05:44,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-01-27 22:05:58,511 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 [2023-01-27 22:05:58,511 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-27 22:05:58,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-01-27 22:05:58,698 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-01-27 22:05:58,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2023-01-27 22:05:58,899 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 [2023-01-27 22:05:58,899 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 314487 conditions, 24552 events (16666/24551 cut-off events. For 1110317/1110443 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 161571 event pairs, 990 based on Foata normal form. 74/25063 useless extension candidates. Maximal degree in co-relation 314358. Up to 11172 conditions per place.). [2023-01-27 22:05:58,900 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-01-27 22:05:58,900 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-01-27 22:05:58,900 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-01-27 22:05:58,901 INFO L445 BasicCegarLoop]: Path program histogram: [25, 6, 1, 1, 1] [2023-01-27 22:05:58,905 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-27 22:05:58,905 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-27 22:05:58,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 10:05:58 BasicIcfg [2023-01-27 22:05:58,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-27 22:05:58,912 INFO L158 Benchmark]: Toolchain (without parser) took 812930.68ms. Allocated memory was 364.9MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 334.5MB in the beginning and 4.8GB in the end (delta: -4.5GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2023-01-27 22:05:58,912 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 255.9MB. Free memory is still 213.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 22:05:58,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.58ms. Allocated memory is still 364.9MB. Free memory was 334.5MB in the beginning and 322.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-01-27 22:05:58,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.39ms. Allocated memory is still 364.9MB. Free memory was 322.8MB in the beginning and 319.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-01-27 22:05:58,913 INFO L158 Benchmark]: Boogie Preprocessor took 31.45ms. Allocated memory is still 364.9MB. Free memory was 319.9MB in the beginning and 318.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 22:05:58,913 INFO L158 Benchmark]: RCFGBuilder took 649.27ms. Allocated memory is still 364.9MB. Free memory was 317.8MB in the beginning and 326.0MB in the end (delta: -8.2MB). Peak memory consumption was 55.1MB. Max. memory is 16.0GB. [2023-01-27 22:05:58,914 INFO L158 Benchmark]: TraceAbstraction took 812063.16ms. Allocated memory was 364.9MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 325.0MB in the beginning and 4.8GB in the end (delta: -4.5GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. [2023-01-27 22:05:58,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 255.9MB. Free memory is still 213.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 145.58ms. Allocated memory is still 364.9MB. Free memory was 334.5MB in the beginning and 322.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 37.39ms. Allocated memory is still 364.9MB. Free memory was 322.8MB in the beginning and 319.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 31.45ms. Allocated memory is still 364.9MB. Free memory was 319.9MB in the beginning and 318.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 649.27ms. Allocated memory is still 364.9MB. Free memory was 317.8MB in the beginning and 326.0MB in the end (delta: -8.2MB). Peak memory consumption was 55.1MB. Max. memory is 16.0GB. * TraceAbstraction took 812063.16ms. Allocated memory was 364.9MB in the beginning and 7.5GB in the end (delta: 7.1GB). Free memory was 325.0MB in the beginning and 4.8GB in the end (delta: -4.5GB). Peak memory consumption was 3.5GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.6s, 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 enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 314487 conditions, 24552 events (16666/24551 cut-off events. For 1110317/1110443 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 161571 event pairs, 990 based on Foata normal form. 74/25063 useless extension candidates. Maximal degree in co-relation 314358. Up to 11172 conditions per place.). - 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 enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 314487 conditions, 24552 events (16666/24551 cut-off events. For 1110317/1110443 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 161571 event pairs, 990 based on Foata normal form. 74/25063 useless extension candidates. Maximal degree in co-relation 314358. Up to 11172 conditions per place.). - 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 enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 314487 conditions, 24552 events (16666/24551 cut-off events. For 1110317/1110443 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 161571 event pairs, 990 based on Foata normal form. 74/25063 useless extension candidates. Maximal degree in co-relation 314358. Up to 11172 conditions per place.). - 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 enhancing Floyd-Hoare automaton (19states, 121/353 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 314487 conditions, 24552 events (16666/24551 cut-off events. For 1110317/1110443 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 161571 event pairs, 990 based on Foata normal form. 74/25063 useless extension candidates. Maximal degree in co-relation 314358. Up to 11172 conditions per place.). - 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: 812.0s, OverallIterations: 34, TraceHistogramMax: 2, PathProgramHistogramMax: 25, EmptinessCheckTime: 0.0s, AutomataDifference: 576.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7873 SdHoareTripleChecker+Valid, 17.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7873 mSDsluCounter, 2433 SdHoareTripleChecker+Invalid, 14.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 337 IncrementalHoareTripleChecker+Unchecked, 2209 mSDsCounter, 701 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35009 IncrementalHoareTripleChecker+Invalid, 36047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 701 mSolverCounterUnsat, 224 mSDtfsCounter, 35009 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, 32.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126448occurred in iteration=19, InterpolantAutomatonStates: 956, 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, 219.6s 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