/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 20:49:54,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 20:49:54,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 20:49:54,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 20:49:54,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 20:49:54,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 20:49:54,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 20:49:54,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 20:49:54,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 20:49:54,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 20:49:54,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 20:49:54,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 20:49:54,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 20:49:54,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 20:49:54,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 20:49:54,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 20:49:54,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 20:49:54,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 20:49:54,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 20:49:54,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 20:49:54,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 20:49:54,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 20:49:54,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 20:49:54,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 20:49:54,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 20:49:54,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 20:49:54,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 20:49:54,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 20:49:54,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 20:49:54,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 20:49:54,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 20:49:54,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 20:49:54,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 20:49:54,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 20:49:54,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 20:49:54,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 20:49:54,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 20:49:54,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 20:49:54,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 20:49:54,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 20:49:54,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 20:49:54,801 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 20:49:54,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 20:49:54,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 20:49:54,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 20:49:54,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 20:49:54,827 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 20:49:54,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 20:49:54,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 20:49:54,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 20:49:54,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 20:49:54,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 20:49:54,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 20:49:54,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 20:49:54,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 20:49:54,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 20:49:54,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 20:49:54,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 20:49:54,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 20:49:54,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 20:49:54,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 20:49:54,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 20:49:54,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 20:49:54,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 20:49:54,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 20:49:54,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 20:49:54,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 20:49:54,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 20:49:54,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 20:49:54,830 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 20:49:54,830 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 20:49:54,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 20:49:54,830 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 20:49:55,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 20:49:55,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 20:49:55,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 20:49:55,092 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 20:49:55,094 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 20:49:55,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl [2021-06-11 20:49:55,094 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl' [2021-06-11 20:49:55,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 20:49:55,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 20:49:55,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 20:49:55,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 20:49:55,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 20:49:55,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... [2021-06-11 20:49:55,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... [2021-06-11 20:49:55,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 20:49:55,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 20:49:55,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 20:49:55,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 20:49:55,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... [2021-06-11 20:49:55,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... [2021-06-11 20:49:55,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... [2021-06-11 20:49:55,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... [2021-06-11 20:49:55,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... [2021-06-11 20:49:55,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... [2021-06-11 20:49:55,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... [2021-06-11 20:49:55,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 20:49:55,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 20:49:55,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 20:49:55,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 20:49:55,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 20:49:55,222 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-11 20:49:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 20:49:55,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 20:49:55,222 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-11 20:49:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 20:49:55,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 20:49:55,223 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 20:49:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 20:49:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 20:49:55,223 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-11 20:49:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-11 20:49:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-11 20:49:55,223 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-11 20:49:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-11 20:49:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-11 20:49:55,223 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-11 20:49:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-11 20:49:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-11 20:49:55,224 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 20:49:55,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 20:49:55,368 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 20:49:55,370 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 08:49:55 BoogieIcfgContainer [2021-06-11 20:49:55,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 20:49:55,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 20:49:55,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 20:49:55,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 20:49:55,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:49:55" (1/2) ... [2021-06-11 20:49:55,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23856532 and model type ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 08:49:55, skipping insertion in model container [2021-06-11 20:49:55,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 08:49:55" (2/2) ... [2021-06-11 20:49:55,375 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-5.wvr.bpl [2021-06-11 20:49:55,379 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 20:49:55,381 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 20:49:55,382 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 20:49:55,434 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-06-11 20:49:55,445 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-11 20:49:55,459 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 20:49:55,459 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 20:49:55,460 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 20:49:55,460 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 20:49:55,460 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 20:49:55,460 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 20:49:55,460 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 20:49:55,460 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 20:49:55,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 46 transitions, 132 flow [2021-06-11 20:49:55,525 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-06-11 20:49:55,526 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-06-11 20:49:55,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 41 events. 0/41 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 20:49:55,527 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 46 transitions, 132 flow [2021-06-11 20:49:55,530 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 39 transitions, 108 flow [2021-06-11 20:49:55,531 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:49:55,546 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 39 transitions, 108 flow [2021-06-11 20:49:55,555 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 39 transitions, 108 flow [2021-06-11 20:49:55,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 39 transitions, 108 flow [2021-06-11 20:49:55,579 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-06-11 20:49:55,579 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-06-11 20:49:55,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 39 events. 0/39 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 20:49:55,584 INFO L151 LiptonReduction]: Number of co-enabled transitions 748 [2021-06-11 20:49:55,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:55,732 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:49:55,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:55,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:55,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:55,932 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:49:55,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:55,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:56,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,056 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:49:56,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:56,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:56,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:56,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:56,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,520 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:49:56,539 INFO L163 LiptonReduction]: Checked pairs total: 1124 [2021-06-11 20:49:56,539 INFO L165 LiptonReduction]: Total number of compositions: 16 [2021-06-11 20:49:56,541 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1011 [2021-06-11 20:49:56,554 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-06-11 20:49:56,554 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-06-11 20:49:56,554 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:49:56,555 INFO L263 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] [2021-06-11 20:49:56,555 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:49:56,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:49:56,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1341764571, now seen corresponding path program 1 times [2021-06-11 20:49:56,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:49:56,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707860662] [2021-06-11 20:49:56,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:49:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:49:56,709 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-06-11 20:49:56,710 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-06-11 20:49:56,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:49:56,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:49:56,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:49:56,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 20:49:56,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:49:56,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:56,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 20:49:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:49:56,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707860662] [2021-06-11 20:49:56,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:49:56,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 20:49:56,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280035800] [2021-06-11 20:49:56,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 20:49:56,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:49:56,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 20:49:56,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-11 20:49:56,757 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 62 [2021-06-11 20:49:56,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 23 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:56,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:49:56,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 62 [2021-06-11 20:49:56,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:49:56,953 INFO L129 PetriNetUnfolder]: 1023/1606 cut-off events. [2021-06-11 20:49:56,953 INFO L130 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2021-06-11 20:49:56,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3224 conditions, 1606 events. 1023/1606 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8383 event pairs, 452 based on Foata normal form. 1/1591 useless extension candidates. Maximal degree in co-relation 3194. Up to 810 conditions per place. [2021-06-11 20:49:56,988 INFO L132 encePairwiseOnDemand]: 49/62 looper letters, 23 selfloop transitions, 11 changer transitions 1/45 dead transitions. [2021-06-11 20:49:56,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 45 transitions, 190 flow [2021-06-11 20:49:56,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 20:49:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 20:49:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-06-11 20:49:56,996 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6967741935483871 [2021-06-11 20:49:56,996 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-06-11 20:49:56,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-06-11 20:49:56,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:49:56,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-06-11 20:49:57,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,003 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,005 INFO L185 Difference]: Start difference. First operand has 39 places, 23 transitions, 76 flow. Second operand 5 states and 216 transitions. [2021-06-11 20:49:57,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 45 transitions, 190 flow [2021-06-11 20:49:57,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 45 transitions, 170 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-06-11 20:49:57,013 INFO L241 Difference]: Finished difference. Result has 36 places, 32 transitions, 135 flow [2021-06-11 20:49:57,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=135, PETRI_PLACES=36, PETRI_TRANSITIONS=32} [2021-06-11 20:49:57,014 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -3 predicate places. [2021-06-11 20:49:57,015 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:49:57,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 32 transitions, 135 flow [2021-06-11 20:49:57,015 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 32 transitions, 135 flow [2021-06-11 20:49:57,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 135 flow [2021-06-11 20:49:57,045 INFO L129 PetriNetUnfolder]: 268/587 cut-off events. [2021-06-11 20:49:57,045 INFO L130 PetriNetUnfolder]: For 54/56 co-relation queries the response was YES. [2021-06-11 20:49:57,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 587 events. 268/587 cut-off events. For 54/56 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3628 event pairs, 155 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 1155. Up to 381 conditions per place. [2021-06-11 20:49:57,049 INFO L151 LiptonReduction]: Number of co-enabled transitions 188 [2021-06-11 20:49:57,052 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:49:57,052 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:49:57,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-06-11 20:49:57,053 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 32 transitions, 135 flow [2021-06-11 20:49:57,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:49:57,053 INFO L263 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] [2021-06-11 20:49:57,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 20:49:57,054 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:49:57,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:49:57,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1740501189, now seen corresponding path program 2 times [2021-06-11 20:49:57,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:49:57,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086575643] [2021-06-11 20:49:57,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:49:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:49:57,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:49:57,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:57,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:57,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:57,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:49:57,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086575643] [2021-06-11 20:49:57,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:49:57,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:49:57,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357957583] [2021-06-11 20:49:57,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:49:57,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:49:57,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:49:57,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:49:57,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:49:57,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 32 transitions, 135 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:49:57,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:49:57,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:49:57,327 INFO L129 PetriNetUnfolder]: 1827/2823 cut-off events. [2021-06-11 20:49:57,327 INFO L130 PetriNetUnfolder]: For 1530/1698 co-relation queries the response was YES. [2021-06-11 20:49:57,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8776 conditions, 2823 events. 1827/2823 cut-off events. For 1530/1698 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 15842 event pairs, 415 based on Foata normal form. 72/2881 useless extension candidates. Maximal degree in co-relation 8655. Up to 1383 conditions per place. [2021-06-11 20:49:57,344 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 26 selfloop transitions, 37 changer transitions 0/74 dead transitions. [2021-06-11 20:49:57,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 74 transitions, 446 flow [2021-06-11 20:49:57,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:49:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:49:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 229 transitions. [2021-06-11 20:49:57,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6155913978494624 [2021-06-11 20:49:57,346 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 229 transitions. [2021-06-11 20:49:57,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 229 transitions. [2021-06-11 20:49:57,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:49:57,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 229 transitions. [2021-06-11 20:49:57,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,349 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,349 INFO L185 Difference]: Start difference. First operand has 36 places, 32 transitions, 135 flow. Second operand 6 states and 229 transitions. [2021-06-11 20:49:57,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 74 transitions, 446 flow [2021-06-11 20:49:57,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 74 transitions, 410 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-06-11 20:49:57,352 INFO L241 Difference]: Finished difference. Result has 39 places, 63 transitions, 377 flow [2021-06-11 20:49:57,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=377, PETRI_PLACES=39, PETRI_TRANSITIONS=63} [2021-06-11 20:49:57,352 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 0 predicate places. [2021-06-11 20:49:57,352 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:49:57,352 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 63 transitions, 377 flow [2021-06-11 20:49:57,353 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 63 transitions, 377 flow [2021-06-11 20:49:57,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 63 transitions, 377 flow [2021-06-11 20:49:57,457 INFO L129 PetriNetUnfolder]: 1497/2461 cut-off events. [2021-06-11 20:49:57,457 INFO L130 PetriNetUnfolder]: For 1676/1867 co-relation queries the response was YES. [2021-06-11 20:49:57,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7723 conditions, 2461 events. 1497/2461 cut-off events. For 1676/1867 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 14729 event pairs, 304 based on Foata normal form. 53/2485 useless extension candidates. Maximal degree in co-relation 7565. Up to 1340 conditions per place. [2021-06-11 20:49:57,474 INFO L151 LiptonReduction]: Number of co-enabled transitions 332 [2021-06-11 20:49:57,502 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:49:57,502 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:49:57,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-06-11 20:49:57,503 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 63 transitions, 377 flow [2021-06-11 20:49:57,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:49:57,503 INFO L263 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] [2021-06-11 20:49:57,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 20:49:57,504 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:49:57,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:49:57,504 INFO L82 PathProgramCache]: Analyzing trace with hash 958002829, now seen corresponding path program 3 times [2021-06-11 20:49:57,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:49:57,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185201381] [2021-06-11 20:49:57,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:49:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:49:57,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:49:57,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:57,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:57,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:49:57,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185201381] [2021-06-11 20:49:57,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:49:57,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 20:49:57,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132772461] [2021-06-11 20:49:57,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 20:49:57,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:49:57,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 20:49:57,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 20:49:57,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:49:57,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 63 transitions, 377 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:49:57,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:49:57,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:49:57,747 INFO L129 PetriNetUnfolder]: 1906/2948 cut-off events. [2021-06-11 20:49:57,747 INFO L130 PetriNetUnfolder]: For 2753/3101 co-relation queries the response was YES. [2021-06-11 20:49:57,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12069 conditions, 2948 events. 1906/2948 cut-off events. For 2753/3101 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 16330 event pairs, 326 based on Foata normal form. 47/2986 useless extension candidates. Maximal degree in co-relation 11936. Up to 2605 conditions per place. [2021-06-11 20:49:57,765 INFO L132 encePairwiseOnDemand]: 52/62 looper letters, 60 selfloop transitions, 36 changer transitions 0/107 dead transitions. [2021-06-11 20:49:57,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 107 transitions, 862 flow [2021-06-11 20:49:57,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 20:49:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 20:49:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-06-11 20:49:57,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-06-11 20:49:57,767 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-06-11 20:49:57,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-06-11 20:49:57,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:49:57,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-06-11 20:49:57,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,769 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,769 INFO L185 Difference]: Start difference. First operand has 39 places, 63 transitions, 377 flow. Second operand 5 states and 186 transitions. [2021-06-11 20:49:57,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 107 transitions, 862 flow [2021-06-11 20:49:57,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 107 transitions, 836 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-06-11 20:49:57,774 INFO L241 Difference]: Finished difference. Result has 44 places, 93 transitions, 725 flow [2021-06-11 20:49:57,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=725, PETRI_PLACES=44, PETRI_TRANSITIONS=93} [2021-06-11 20:49:57,775 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 5 predicate places. [2021-06-11 20:49:57,775 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:49:57,775 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 93 transitions, 725 flow [2021-06-11 20:49:57,775 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 93 transitions, 725 flow [2021-06-11 20:49:57,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 93 transitions, 725 flow [2021-06-11 20:49:57,889 INFO L129 PetriNetUnfolder]: 1567/2579 cut-off events. [2021-06-11 20:49:57,890 INFO L130 PetriNetUnfolder]: For 3654/3738 co-relation queries the response was YES. [2021-06-11 20:49:57,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9058 conditions, 2579 events. 1567/2579 cut-off events. For 3654/3738 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 15522 event pairs, 262 based on Foata normal form. 54/2620 useless extension candidates. Maximal degree in co-relation 8889. Up to 1392 conditions per place. [2021-06-11 20:49:57,909 INFO L151 LiptonReduction]: Number of co-enabled transitions 398 [2021-06-11 20:49:57,979 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:49:57,979 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:49:57,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 204 [2021-06-11 20:49:57,980 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 93 transitions, 725 flow [2021-06-11 20:49:57,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:57,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:49:57,980 INFO L263 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] [2021-06-11 20:49:57,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 20:49:57,981 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:49:57,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:49:57,981 INFO L82 PathProgramCache]: Analyzing trace with hash -597334849, now seen corresponding path program 4 times [2021-06-11 20:49:57,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:49:57,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878721217] [2021-06-11 20:49:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:49:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:49:57,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:57,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:49:58,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:58,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:58,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:58,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:58,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:58,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:58,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:49:58,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878721217] [2021-06-11 20:49:58,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:49:58,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 20:49:58,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171749863] [2021-06-11 20:49:58,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 20:49:58,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:49:58,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 20:49:58,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-11 20:49:58,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:49:58,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 93 transitions, 725 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:58,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:49:58,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:49:58,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:49:58,356 INFO L129 PetriNetUnfolder]: 2274/3615 cut-off events. [2021-06-11 20:49:58,356 INFO L130 PetriNetUnfolder]: For 5543/5775 co-relation queries the response was YES. [2021-06-11 20:49:58,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15728 conditions, 3615 events. 2274/3615 cut-off events. For 5543/5775 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 21639 event pairs, 320 based on Foata normal form. 65/3668 useless extension candidates. Maximal degree in co-relation 15547. Up to 1807 conditions per place. [2021-06-11 20:49:58,382 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 28 selfloop transitions, 221 changer transitions 0/260 dead transitions. [2021-06-11 20:49:58,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 260 transitions, 2574 flow [2021-06-11 20:49:58,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 20:49:58,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 20:49:58,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 311 transitions. [2021-06-11 20:49:58,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6270161290322581 [2021-06-11 20:49:58,383 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 311 transitions. [2021-06-11 20:49:58,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 311 transitions. [2021-06-11 20:49:58,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:49:58,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 311 transitions. [2021-06-11 20:49:58,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.875) internal successors, (311), 8 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:58,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:58,387 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:58,387 INFO L185 Difference]: Start difference. First operand has 44 places, 93 transitions, 725 flow. Second operand 8 states and 311 transitions. [2021-06-11 20:49:58,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 260 transitions, 2574 flow [2021-06-11 20:49:58,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 260 transitions, 2568 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 20:49:58,404 INFO L241 Difference]: Finished difference. Result has 53 places, 249 transitions, 2832 flow [2021-06-11 20:49:58,405 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2832, PETRI_PLACES=53, PETRI_TRANSITIONS=249} [2021-06-11 20:49:58,405 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 14 predicate places. [2021-06-11 20:49:58,405 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:49:58,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 249 transitions, 2832 flow [2021-06-11 20:49:58,406 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 249 transitions, 2832 flow [2021-06-11 20:49:58,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 249 transitions, 2832 flow [2021-06-11 20:49:58,631 INFO L129 PetriNetUnfolder]: 1892/3131 cut-off events. [2021-06-11 20:49:58,631 INFO L130 PetriNetUnfolder]: For 8477/8720 co-relation queries the response was YES. [2021-06-11 20:49:58,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15793 conditions, 3131 events. 1892/3131 cut-off events. For 8477/8720 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 19612 event pairs, 254 based on Foata normal form. 100/3209 useless extension candidates. Maximal degree in co-relation 15618. Up to 1732 conditions per place. [2021-06-11 20:49:58,653 INFO L151 LiptonReduction]: Number of co-enabled transitions 720 [2021-06-11 20:49:58,715 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:49:58,715 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:49:58,715 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 310 [2021-06-11 20:49:58,716 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 249 transitions, 2832 flow [2021-06-11 20:49:58,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:58,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:49:58,716 INFO L263 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] [2021-06-11 20:49:58,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 20:49:58,716 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:49:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:49:58,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1859152685, now seen corresponding path program 5 times [2021-06-11 20:49:58,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:49:58,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213573077] [2021-06-11 20:49:58,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:49:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:49:58,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:49:58,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:58,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:58,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:58,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:49:58,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213573077] [2021-06-11 20:49:58,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:49:58,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 20:49:58,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667496249] [2021-06-11 20:49:58,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 20:49:58,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:49:58,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 20:49:58,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 20:49:58,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:49:58,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 249 transitions, 2832 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:58,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:49:58,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:49:58,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:49:59,060 INFO L129 PetriNetUnfolder]: 2310/3683 cut-off events. [2021-06-11 20:49:59,061 INFO L130 PetriNetUnfolder]: For 10934/11469 co-relation queries the response was YES. [2021-06-11 20:49:59,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21790 conditions, 3683 events. 2310/3683 cut-off events. For 10934/11469 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 22206 event pairs, 441 based on Foata normal form. 90/3761 useless extension candidates. Maximal degree in co-relation 21602. Up to 3207 conditions per place. [2021-06-11 20:49:59,115 INFO L132 encePairwiseOnDemand]: 52/62 looper letters, 179 selfloop transitions, 114 changer transitions 0/304 dead transitions. [2021-06-11 20:49:59,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 304 transitions, 4054 flow [2021-06-11 20:49:59,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 20:49:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 20:49:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-06-11 20:49:59,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-06-11 20:49:59,118 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-06-11 20:49:59,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-06-11 20:49:59,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:49:59,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-06-11 20:49:59,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:59,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:59,120 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:59,121 INFO L185 Difference]: Start difference. First operand has 53 places, 249 transitions, 2832 flow. Second operand 5 states and 186 transitions. [2021-06-11 20:49:59,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 304 transitions, 4054 flow [2021-06-11 20:49:59,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 304 transitions, 3958 flow, removed 45 selfloop flow, removed 1 redundant places. [2021-06-11 20:49:59,151 INFO L241 Difference]: Finished difference. Result has 57 places, 279 transitions, 3450 flow [2021-06-11 20:49:59,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=2768, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3450, PETRI_PLACES=57, PETRI_TRANSITIONS=279} [2021-06-11 20:49:59,151 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 18 predicate places. [2021-06-11 20:49:59,152 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:49:59,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 279 transitions, 3450 flow [2021-06-11 20:49:59,152 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 279 transitions, 3450 flow [2021-06-11 20:49:59,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 279 transitions, 3450 flow [2021-06-11 20:49:59,339 INFO L129 PetriNetUnfolder]: 1919/3190 cut-off events. [2021-06-11 20:49:59,340 INFO L130 PetriNetUnfolder]: For 8484/8693 co-relation queries the response was YES. [2021-06-11 20:49:59,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15726 conditions, 3190 events. 1919/3190 cut-off events. For 8484/8693 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 20096 event pairs, 218 based on Foata normal form. 110/3289 useless extension candidates. Maximal degree in co-relation 15530. Up to 1749 conditions per place. [2021-06-11 20:49:59,363 INFO L151 LiptonReduction]: Number of co-enabled transitions 744 [2021-06-11 20:49:59,419 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:49:59,419 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:49:59,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 267 [2021-06-11 20:49:59,423 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 279 transitions, 3450 flow [2021-06-11 20:49:59,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:59,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:49:59,423 INFO L263 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] [2021-06-11 20:49:59,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 20:49:59,423 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:49:59,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:49:59,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1955675595, now seen corresponding path program 6 times [2021-06-11 20:49:59,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:49:59,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856815481] [2021-06-11 20:49:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:49:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:49:59,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:59,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:49:59,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:59,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:59,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:59,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:59,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:59,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:59,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:59,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:49:59,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:49:59,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:49:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:49:59,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856815481] [2021-06-11 20:49:59,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:49:59,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:49:59,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977171900] [2021-06-11 20:49:59,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:49:59,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:49:59,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:49:59,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:49:59,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:49:59,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 279 transitions, 3450 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:59,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:49:59,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:49:59,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:49:59,931 INFO L129 PetriNetUnfolder]: 2556/4161 cut-off events. [2021-06-11 20:49:59,931 INFO L130 PetriNetUnfolder]: For 11585/12468 co-relation queries the response was YES. [2021-06-11 20:49:59,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23849 conditions, 4161 events. 2556/4161 cut-off events. For 11585/12468 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 26520 event pairs, 359 based on Foata normal form. 112/4255 useless extension candidates. Maximal degree in co-relation 23631. Up to 2108 conditions per place. [2021-06-11 20:49:59,961 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 56 selfloop transitions, 304 changer transitions 0/371 dead transitions. [2021-06-11 20:49:59,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 371 transitions, 5236 flow [2021-06-11 20:49:59,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 20:49:59,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 20:49:59,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 270 transitions. [2021-06-11 20:49:59,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6221198156682027 [2021-06-11 20:49:59,962 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 270 transitions. [2021-06-11 20:49:59,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 270 transitions. [2021-06-11 20:49:59,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:49:59,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 270 transitions. [2021-06-11 20:49:59,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 38.57142857142857) internal successors, (270), 7 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:59,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:59,964 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:49:59,964 INFO L185 Difference]: Start difference. First operand has 57 places, 279 transitions, 3450 flow. Second operand 7 states and 270 transitions. [2021-06-11 20:49:59,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 371 transitions, 5236 flow [2021-06-11 20:49:59,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 371 transitions, 5097 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 20:49:59,991 INFO L241 Difference]: Finished difference. Result has 63 places, 362 transitions, 5213 flow [2021-06-11 20:49:59,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=3339, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5213, PETRI_PLACES=63, PETRI_TRANSITIONS=362} [2021-06-11 20:49:59,991 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 24 predicate places. [2021-06-11 20:49:59,991 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:49:59,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 362 transitions, 5213 flow [2021-06-11 20:49:59,992 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 362 transitions, 5213 flow [2021-06-11 20:49:59,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 362 transitions, 5213 flow [2021-06-11 20:50:00,237 INFO L129 PetriNetUnfolder]: 2142/3586 cut-off events. [2021-06-11 20:50:00,237 INFO L130 PetriNetUnfolder]: For 14277/14621 co-relation queries the response was YES. [2021-06-11 20:50:00,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21091 conditions, 3586 events. 2142/3586 cut-off events. For 14277/14621 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 23517 event pairs, 219 based on Foata normal form. 166/3735 useless extension candidates. Maximal degree in co-relation 20879. Up to 2044 conditions per place. [2021-06-11 20:50:00,269 INFO L151 LiptonReduction]: Number of co-enabled transitions 898 [2021-06-11 20:50:00,316 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:00,316 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:00,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 325 [2021-06-11 20:50:00,317 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 362 transitions, 5213 flow [2021-06-11 20:50:00,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:00,317 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:00,317 INFO L263 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] [2021-06-11 20:50:00,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 20:50:00,318 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:00,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:00,318 INFO L82 PathProgramCache]: Analyzing trace with hash -627858977, now seen corresponding path program 7 times [2021-06-11 20:50:00,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:00,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998652031] [2021-06-11 20:50:00,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:00,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:00,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:00,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:00,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:00,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:00,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:00,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:00,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:00,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:00,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:00,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998652031] [2021-06-11 20:50:00,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:00,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:50:00,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391518172] [2021-06-11 20:50:00,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:50:00,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:00,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:50:00,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:50:00,341 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:00,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 362 transitions, 5213 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:00,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:00,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:00,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:00,831 INFO L129 PetriNetUnfolder]: 2699/4431 cut-off events. [2021-06-11 20:50:00,831 INFO L130 PetriNetUnfolder]: For 19334/20009 co-relation queries the response was YES. [2021-06-11 20:50:00,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29483 conditions, 4431 events. 2699/4431 cut-off events. For 19334/20009 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 28855 event pairs, 374 based on Foata normal form. 180/4600 useless extension candidates. Maximal degree in co-relation 29251. Up to 2242 conditions per place. [2021-06-11 20:50:00,858 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 123 selfloop transitions, 312 changer transitions 0/446 dead transitions. [2021-06-11 20:50:00,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 446 transitions, 7376 flow [2021-06-11 20:50:00,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:50:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:50:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 229 transitions. [2021-06-11 20:50:00,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6155913978494624 [2021-06-11 20:50:00,860 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 229 transitions. [2021-06-11 20:50:00,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 229 transitions. [2021-06-11 20:50:00,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:00,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 229 transitions. [2021-06-11 20:50:00,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:00,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:00,861 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:00,861 INFO L185 Difference]: Start difference. First operand has 63 places, 362 transitions, 5213 flow. Second operand 6 states and 229 transitions. [2021-06-11 20:50:00,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 446 transitions, 7376 flow [2021-06-11 20:50:00,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 446 transitions, 7370 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 20:50:00,905 INFO L241 Difference]: Finished difference. Result has 68 places, 429 transitions, 7140 flow [2021-06-11 20:50:00,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=5207, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=7140, PETRI_PLACES=68, PETRI_TRANSITIONS=429} [2021-06-11 20:50:00,906 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 29 predicate places. [2021-06-11 20:50:00,906 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:00,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 429 transitions, 7140 flow [2021-06-11 20:50:00,906 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 429 transitions, 7140 flow [2021-06-11 20:50:00,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 429 transitions, 7140 flow [2021-06-11 20:50:01,190 INFO L129 PetriNetUnfolder]: 2267/3773 cut-off events. [2021-06-11 20:50:01,190 INFO L130 PetriNetUnfolder]: For 21355/21918 co-relation queries the response was YES. [2021-06-11 20:50:01,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24976 conditions, 3773 events. 2267/3773 cut-off events. For 21355/21918 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 25036 event pairs, 243 based on Foata normal form. 265/4001 useless extension candidates. Maximal degree in co-relation 24792. Up to 2177 conditions per place. [2021-06-11 20:50:01,220 INFO L151 LiptonReduction]: Number of co-enabled transitions 940 [2021-06-11 20:50:01,308 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:01,308 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:01,308 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 402 [2021-06-11 20:50:01,309 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 429 transitions, 7140 flow [2021-06-11 20:50:01,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:01,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:01,309 INFO L263 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] [2021-06-11 20:50:01,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 20:50:01,309 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:01,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:01,309 INFO L82 PathProgramCache]: Analyzing trace with hash -331061119, now seen corresponding path program 8 times [2021-06-11 20:50:01,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:01,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088518490] [2021-06-11 20:50:01,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:01,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:01,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:01,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:01,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:01,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:01,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:01,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:01,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:01,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:01,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088518490] [2021-06-11 20:50:01,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:01,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:50:01,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498383591] [2021-06-11 20:50:01,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:50:01,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:01,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:50:01,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:50:01,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:01,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 429 transitions, 7140 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:01,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:01,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:01,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:01,964 INFO L129 PetriNetUnfolder]: 2806/4642 cut-off events. [2021-06-11 20:50:01,964 INFO L130 PetriNetUnfolder]: For 25730/26428 co-relation queries the response was YES. [2021-06-11 20:50:01,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33909 conditions, 4642 events. 2806/4642 cut-off events. For 25730/26428 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 30954 event pairs, 382 based on Foata normal form. 183/4814 useless extension candidates. Maximal degree in co-relation 33677. Up to 2349 conditions per place. [2021-06-11 20:50:01,998 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 123 selfloop transitions, 371 changer transitions 0/505 dead transitions. [2021-06-11 20:50:01,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 505 transitions, 9434 flow [2021-06-11 20:50:01,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:50:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:50:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 229 transitions. [2021-06-11 20:50:01,999 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6155913978494624 [2021-06-11 20:50:01,999 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 229 transitions. [2021-06-11 20:50:02,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 229 transitions. [2021-06-11 20:50:02,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:02,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 229 transitions. [2021-06-11 20:50:02,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:02,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:02,001 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:02,001 INFO L185 Difference]: Start difference. First operand has 68 places, 429 transitions, 7140 flow. Second operand 6 states and 229 transitions. [2021-06-11 20:50:02,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 505 transitions, 9434 flow [2021-06-11 20:50:02,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 505 transitions, 9033 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 20:50:02,055 INFO L241 Difference]: Finished difference. Result has 71 places, 489 transitions, 8842 flow [2021-06-11 20:50:02,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=6720, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=8842, PETRI_PLACES=71, PETRI_TRANSITIONS=489} [2021-06-11 20:50:02,056 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 32 predicate places. [2021-06-11 20:50:02,056 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:02,056 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 489 transitions, 8842 flow [2021-06-11 20:50:02,056 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 489 transitions, 8842 flow [2021-06-11 20:50:02,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 489 transitions, 8842 flow [2021-06-11 20:50:02,416 INFO L129 PetriNetUnfolder]: 2345/3960 cut-off events. [2021-06-11 20:50:02,417 INFO L130 PetriNetUnfolder]: For 27335/28067 co-relation queries the response was YES. [2021-06-11 20:50:02,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27604 conditions, 3960 events. 2345/3960 cut-off events. For 27335/28067 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 26704 event pairs, 237 based on Foata normal form. 315/4250 useless extension candidates. Maximal degree in co-relation 27388. Up to 2281 conditions per place. [2021-06-11 20:50:02,447 INFO L151 LiptonReduction]: Number of co-enabled transitions 956 [2021-06-11 20:50:02,521 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:02,521 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:02,521 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-06-11 20:50:02,522 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 489 transitions, 8842 flow [2021-06-11 20:50:02,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:02,522 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:02,522 INFO L263 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] [2021-06-11 20:50:02,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 20:50:02,522 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:02,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:02,523 INFO L82 PathProgramCache]: Analyzing trace with hash 549837635, now seen corresponding path program 9 times [2021-06-11 20:50:02,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:02,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498008861] [2021-06-11 20:50:02,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:02,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:02,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:02,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:02,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:02,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:02,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:02,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:02,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:02,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498008861] [2021-06-11 20:50:02,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:02,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 20:50:02,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601614807] [2021-06-11 20:50:02,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 20:50:02,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:02,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 20:50:02,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 20:50:02,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:02,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 489 transitions, 8842 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:02,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:02,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:02,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:03,130 INFO L129 PetriNetUnfolder]: 2809/4645 cut-off events. [2021-06-11 20:50:03,130 INFO L130 PetriNetUnfolder]: For 31144/32691 co-relation queries the response was YES. [2021-06-11 20:50:03,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35426 conditions, 4645 events. 2809/4645 cut-off events. For 31144/32691 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 31163 event pairs, 549 based on Foata normal form. 127/4754 useless extension candidates. Maximal degree in co-relation 35227. Up to 3910 conditions per place. [2021-06-11 20:50:03,159 INFO L132 encePairwiseOnDemand]: 52/62 looper letters, 290 selfloop transitions, 241 changer transitions 0/542 dead transitions. [2021-06-11 20:50:03,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 542 transitions, 10850 flow [2021-06-11 20:50:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 20:50:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 20:50:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-06-11 20:50:03,160 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-06-11 20:50:03,160 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-06-11 20:50:03,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-06-11 20:50:03,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:03,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-06-11 20:50:03,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:03,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:03,162 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:03,162 INFO L185 Difference]: Start difference. First operand has 71 places, 489 transitions, 8842 flow. Second operand 5 states and 186 transitions. [2021-06-11 20:50:03,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 542 transitions, 10850 flow [2021-06-11 20:50:03,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 542 transitions, 10417 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 20:50:03,222 INFO L241 Difference]: Finished difference. Result has 73 places, 521 transitions, 9726 flow [2021-06-11 20:50:03,222 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=8357, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=9726, PETRI_PLACES=73, PETRI_TRANSITIONS=521} [2021-06-11 20:50:03,222 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 34 predicate places. [2021-06-11 20:50:03,222 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:03,223 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 521 transitions, 9726 flow [2021-06-11 20:50:03,223 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 521 transitions, 9726 flow [2021-06-11 20:50:03,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 521 transitions, 9726 flow [2021-06-11 20:50:03,561 INFO L129 PetriNetUnfolder]: 2329/3913 cut-off events. [2021-06-11 20:50:03,561 INFO L130 PetriNetUnfolder]: For 27848/28681 co-relation queries the response was YES. [2021-06-11 20:50:03,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26626 conditions, 3913 events. 2329/3913 cut-off events. For 27848/28681 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 26494 event pairs, 222 based on Foata normal form. 327/4205 useless extension candidates. Maximal degree in co-relation 26450. Up to 2262 conditions per place. [2021-06-11 20:50:03,589 INFO L151 LiptonReduction]: Number of co-enabled transitions 962 [2021-06-11 20:50:03,661 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:03,661 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:03,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 439 [2021-06-11 20:50:03,662 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 521 transitions, 9726 flow [2021-06-11 20:50:03,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:03,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:03,662 INFO L263 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] [2021-06-11 20:50:03,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 20:50:03,662 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:03,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:03,663 INFO L82 PathProgramCache]: Analyzing trace with hash 843285291, now seen corresponding path program 10 times [2021-06-11 20:50:03,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:03,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64526198] [2021-06-11 20:50:03,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:03,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:03,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:03,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:03,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:03,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:03,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:03,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64526198] [2021-06-11 20:50:03,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:03,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 20:50:03,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831491897] [2021-06-11 20:50:03,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 20:50:03,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:03,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 20:50:03,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 20:50:03,682 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:03,682 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 521 transitions, 9726 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:03,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:03,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:03,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:04,326 INFO L129 PetriNetUnfolder]: 2780/4608 cut-off events. [2021-06-11 20:50:04,326 INFO L130 PetriNetUnfolder]: For 33651/34459 co-relation queries the response was YES. [2021-06-11 20:50:04,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34355 conditions, 4608 events. 2780/4608 cut-off events. For 33651/34459 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 31073 event pairs, 467 based on Foata normal form. 120/4717 useless extension candidates. Maximal degree in co-relation 34185. Up to 3864 conditions per place. [2021-06-11 20:50:04,357 INFO L132 encePairwiseOnDemand]: 52/62 looper letters, 290 selfloop transitions, 249 changer transitions 1/551 dead transitions. [2021-06-11 20:50:04,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 551 transitions, 11273 flow [2021-06-11 20:50:04,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 20:50:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 20:50:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-06-11 20:50:04,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-06-11 20:50:04,358 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-06-11 20:50:04,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-06-11 20:50:04,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:04,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-06-11 20:50:04,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:04,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:04,359 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:04,359 INFO L185 Difference]: Start difference. First operand has 73 places, 521 transitions, 9726 flow. Second operand 5 states and 186 transitions. [2021-06-11 20:50:04,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 551 transitions, 11273 flow [2021-06-11 20:50:04,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 551 transitions, 11026 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 20:50:04,417 INFO L241 Difference]: Finished difference. Result has 76 places, 532 transitions, 10340 flow [2021-06-11 20:50:04,418 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=9258, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=10340, PETRI_PLACES=76, PETRI_TRANSITIONS=532} [2021-06-11 20:50:04,418 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 37 predicate places. [2021-06-11 20:50:04,418 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:04,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 532 transitions, 10340 flow [2021-06-11 20:50:04,418 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 532 transitions, 10340 flow [2021-06-11 20:50:04,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 532 transitions, 10340 flow [2021-06-11 20:50:04,780 INFO L129 PetriNetUnfolder]: 2274/3854 cut-off events. [2021-06-11 20:50:04,780 INFO L130 PetriNetUnfolder]: For 27288/28024 co-relation queries the response was YES. [2021-06-11 20:50:04,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26000 conditions, 3854 events. 2274/3854 cut-off events. For 27288/28024 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 26200 event pairs, 200 based on Foata normal form. 287/4114 useless extension candidates. Maximal degree in co-relation 25777. Up to 2216 conditions per place. [2021-06-11 20:50:04,813 INFO L151 LiptonReduction]: Number of co-enabled transitions 948 [2021-06-11 20:50:04,912 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:04,912 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:04,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-06-11 20:50:04,912 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 532 transitions, 10340 flow [2021-06-11 20:50:04,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:04,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:04,913 INFO L263 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] [2021-06-11 20:50:04,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 20:50:04,913 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:04,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:04,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1013133543, now seen corresponding path program 11 times [2021-06-11 20:50:04,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:04,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921560522] [2021-06-11 20:50:04,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:04,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:04,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:04,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:04,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:04,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:04,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:04,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:04,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:04,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921560522] [2021-06-11 20:50:04,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:04,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:50:04,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192632875] [2021-06-11 20:50:04,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:50:04,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:04,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:50:04,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:50:04,954 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:04,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 532 transitions, 10340 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:04,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:04,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:04,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:05,718 INFO L129 PetriNetUnfolder]: 2707/4572 cut-off events. [2021-06-11 20:50:05,719 INFO L130 PetriNetUnfolder]: For 32350/32619 co-relation queries the response was YES. [2021-06-11 20:50:05,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34028 conditions, 4572 events. 2707/4572 cut-off events. For 32350/32619 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 31072 event pairs, 401 based on Foata normal form. 109/4678 useless extension candidates. Maximal degree in co-relation 33745. Up to 2317 conditions per place. [2021-06-11 20:50:05,751 INFO L132 encePairwiseOnDemand]: 50/62 looper letters, 57 selfloop transitions, 507 changer transitions 0/575 dead transitions. [2021-06-11 20:50:05,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 575 transitions, 12348 flow [2021-06-11 20:50:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 20:50:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 20:50:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 268 transitions. [2021-06-11 20:50:05,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6175115207373272 [2021-06-11 20:50:05,752 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 268 transitions. [2021-06-11 20:50:05,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 268 transitions. [2021-06-11 20:50:05,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:05,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 268 transitions. [2021-06-11 20:50:05,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 38.285714285714285) internal successors, (268), 7 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:05,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:05,753 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:05,753 INFO L185 Difference]: Start difference. First operand has 76 places, 532 transitions, 10340 flow. Second operand 7 states and 268 transitions. [2021-06-11 20:50:05,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 575 transitions, 12348 flow [2021-06-11 20:50:05,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 575 transitions, 12080 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 20:50:05,816 INFO L241 Difference]: Finished difference. Result has 82 places, 568 transitions, 12293 flow [2021-06-11 20:50:05,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=9733, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12293, PETRI_PLACES=82, PETRI_TRANSITIONS=568} [2021-06-11 20:50:05,817 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 43 predicate places. [2021-06-11 20:50:05,817 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:05,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 568 transitions, 12293 flow [2021-06-11 20:50:05,817 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 568 transitions, 12293 flow [2021-06-11 20:50:05,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 568 transitions, 12293 flow [2021-06-11 20:50:06,219 INFO L129 PetriNetUnfolder]: 2279/3888 cut-off events. [2021-06-11 20:50:06,219 INFO L130 PetriNetUnfolder]: For 31867/32169 co-relation queries the response was YES. [2021-06-11 20:50:06,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29913 conditions, 3888 events. 2279/3888 cut-off events. For 31867/32169 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 26535 event pairs, 215 based on Foata normal form. 209/4062 useless extension candidates. Maximal degree in co-relation 29687. Up to 2255 conditions per place. [2021-06-11 20:50:06,253 INFO L151 LiptonReduction]: Number of co-enabled transitions 956 [2021-06-11 20:50:06,315 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:06,315 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:06,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-06-11 20:50:06,315 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 568 transitions, 12293 flow [2021-06-11 20:50:06,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:06,315 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:06,316 INFO L263 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] [2021-06-11 20:50:06,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 20:50:06,316 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:06,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:06,316 INFO L82 PathProgramCache]: Analyzing trace with hash 65599291, now seen corresponding path program 12 times [2021-06-11 20:50:06,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:06,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464829840] [2021-06-11 20:50:06,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:06,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:06,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:06,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:06,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:06,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:06,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:06,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:06,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:06,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:06,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:06,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:06,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464829840] [2021-06-11 20:50:06,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:06,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:50:06,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327995432] [2021-06-11 20:50:06,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:50:06,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:06,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:50:06,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:50:06,354 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:06,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 568 transitions, 12293 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:06,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:06,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:06,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:07,204 INFO L129 PetriNetUnfolder]: 2921/5022 cut-off events. [2021-06-11 20:50:07,204 INFO L130 PetriNetUnfolder]: For 43008/44183 co-relation queries the response was YES. [2021-06-11 20:50:07,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40090 conditions, 5022 events. 2921/5022 cut-off events. For 43008/44183 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 35778 event pairs, 218 based on Foata normal form. 188/5202 useless extension candidates. Maximal degree in co-relation 39789. Up to 2628 conditions per place. [2021-06-11 20:50:07,237 INFO L132 encePairwiseOnDemand]: 50/62 looper letters, 81 selfloop transitions, 544 changer transitions 0/636 dead transitions. [2021-06-11 20:50:07,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 636 transitions, 14062 flow [2021-06-11 20:50:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 20:50:07,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 20:50:07,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 268 transitions. [2021-06-11 20:50:07,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6175115207373272 [2021-06-11 20:50:07,238 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 268 transitions. [2021-06-11 20:50:07,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 268 transitions. [2021-06-11 20:50:07,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:07,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 268 transitions. [2021-06-11 20:50:07,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 38.285714285714285) internal successors, (268), 7 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:07,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:07,241 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:07,241 INFO L185 Difference]: Start difference. First operand has 82 places, 568 transitions, 12293 flow. Second operand 7 states and 268 transitions. [2021-06-11 20:50:07,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 636 transitions, 14062 flow [2021-06-11 20:50:07,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 636 transitions, 13804 flow, removed 59 selfloop flow, removed 3 redundant places. [2021-06-11 20:50:07,314 INFO L241 Difference]: Finished difference. Result has 88 places, 613 transitions, 14175 flow [2021-06-11 20:50:07,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=11066, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=473, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=14175, PETRI_PLACES=88, PETRI_TRANSITIONS=613} [2021-06-11 20:50:07,314 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 49 predicate places. [2021-06-11 20:50:07,315 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:07,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 613 transitions, 14175 flow [2021-06-11 20:50:07,315 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 613 transitions, 14175 flow [2021-06-11 20:50:07,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 613 transitions, 14175 flow [2021-06-11 20:50:07,815 INFO L129 PetriNetUnfolder]: 2579/4504 cut-off events. [2021-06-11 20:50:07,815 INFO L130 PetriNetUnfolder]: For 52290/53106 co-relation queries the response was YES. [2021-06-11 20:50:07,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37192 conditions, 4504 events. 2579/4504 cut-off events. For 52290/53106 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 32002 event pairs, 83 based on Foata normal form. 318/4819 useless extension candidates. Maximal degree in co-relation 36865. Up to 2550 conditions per place. [2021-06-11 20:50:07,859 INFO L151 LiptonReduction]: Number of co-enabled transitions 1118 [2021-06-11 20:50:07,997 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:07,998 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:07,998 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 683 [2021-06-11 20:50:07,998 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 613 transitions, 14175 flow [2021-06-11 20:50:07,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:07,998 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:07,998 INFO L263 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] [2021-06-11 20:50:07,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 20:50:07,999 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:07,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:07,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1033608847, now seen corresponding path program 13 times [2021-06-11 20:50:07,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:07,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522031510] [2021-06-11 20:50:07,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:08,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:08,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:08,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:08,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:08,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:08,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:08,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:08,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:08,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:08,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:08,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:08,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:08,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522031510] [2021-06-11 20:50:08,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:08,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:50:08,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347731304] [2021-06-11 20:50:08,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:50:08,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:08,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:50:08,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:50:08,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:08,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 613 transitions, 14175 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:08,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:08,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:08,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:08,952 INFO L129 PetriNetUnfolder]: 3225/5629 cut-off events. [2021-06-11 20:50:08,952 INFO L130 PetriNetUnfolder]: For 60403/60724 co-relation queries the response was YES. [2021-06-11 20:50:08,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49326 conditions, 5629 events. 3225/5629 cut-off events. For 60403/60724 co-relation queries the response was YES. Maximal size of possible extension queue 562. Compared 41230 event pairs, 221 based on Foata normal form. 110/5736 useless extension candidates. Maximal degree in co-relation 48976. Up to 2799 conditions per place. [2021-06-11 20:50:08,997 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 188 selfloop transitions, 493 changer transitions 0/692 dead transitions. [2021-06-11 20:50:08,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 692 transitions, 16474 flow [2021-06-11 20:50:08,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:50:08,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:50:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-06-11 20:50:08,999 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6129032258064516 [2021-06-11 20:50:08,999 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-06-11 20:50:08,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-06-11 20:50:08,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:08,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-06-11 20:50:08,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:09,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:09,000 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:09,000 INFO L185 Difference]: Start difference. First operand has 88 places, 613 transitions, 14175 flow. Second operand 6 states and 228 transitions. [2021-06-11 20:50:09,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 692 transitions, 16474 flow [2021-06-11 20:50:09,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 692 transitions, 15530 flow, removed 156 selfloop flow, removed 4 redundant places. [2021-06-11 20:50:09,193 INFO L241 Difference]: Finished difference. Result has 92 places, 662 transitions, 15785 flow [2021-06-11 20:50:09,193 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=13313, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=459, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=15785, PETRI_PLACES=92, PETRI_TRANSITIONS=662} [2021-06-11 20:50:09,193 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 53 predicate places. [2021-06-11 20:50:09,193 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:09,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 662 transitions, 15785 flow [2021-06-11 20:50:09,194 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 662 transitions, 15785 flow [2021-06-11 20:50:09,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 662 transitions, 15785 flow [2021-06-11 20:50:09,732 INFO L129 PetriNetUnfolder]: 2824/5014 cut-off events. [2021-06-11 20:50:09,732 INFO L130 PetriNetUnfolder]: For 69628/70243 co-relation queries the response was YES. [2021-06-11 20:50:09,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42242 conditions, 5014 events. 2824/5014 cut-off events. For 69628/70243 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 37528 event pairs, 106 based on Foata normal form. 256/5260 useless extension candidates. Maximal degree in co-relation 41912. Up to 2611 conditions per place. [2021-06-11 20:50:09,779 INFO L151 LiptonReduction]: Number of co-enabled transitions 1242 [2021-06-11 20:50:09,911 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:09,911 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:09,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 718 [2021-06-11 20:50:09,911 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 662 transitions, 15785 flow [2021-06-11 20:50:09,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:09,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:09,912 INFO L263 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] [2021-06-11 20:50:09,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 20:50:09,912 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:09,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:09,912 INFO L82 PathProgramCache]: Analyzing trace with hash 813734151, now seen corresponding path program 14 times [2021-06-11 20:50:09,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:09,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902287968] [2021-06-11 20:50:09,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:09,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:09,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:09,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:09,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:09,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:09,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:09,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:09,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:09,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:09,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:09,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:09,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902287968] [2021-06-11 20:50:09,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:09,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:50:09,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099214765] [2021-06-11 20:50:09,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:50:09,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:09,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:50:09,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:50:09,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:09,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 662 transitions, 15785 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:09,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:09,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:09,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:10,806 INFO L129 PetriNetUnfolder]: 2625/4707 cut-off events. [2021-06-11 20:50:10,806 INFO L130 PetriNetUnfolder]: For 52983/53891 co-relation queries the response was YES. [2021-06-11 20:50:10,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42045 conditions, 4707 events. 2625/4707 cut-off events. For 52983/53891 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 34464 event pairs, 175 based on Foata normal form. 229/4933 useless extension candidates. Maximal degree in co-relation 41767. Up to 2098 conditions per place. [2021-06-11 20:50:10,839 INFO L132 encePairwiseOnDemand]: 50/62 looper letters, 186 selfloop transitions, 443 changer transitions 0/640 dead transitions. [2021-06-11 20:50:10,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 640 transitions, 15790 flow [2021-06-11 20:50:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:50:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:50:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 227 transitions. [2021-06-11 20:50:10,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6102150537634409 [2021-06-11 20:50:10,840 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 227 transitions. [2021-06-11 20:50:10,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 227 transitions. [2021-06-11 20:50:10,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:10,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 227 transitions. [2021-06-11 20:50:10,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 37.833333333333336) internal successors, (227), 6 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:10,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:10,841 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:10,841 INFO L185 Difference]: Start difference. First operand has 92 places, 662 transitions, 15785 flow. Second operand 6 states and 227 transitions. [2021-06-11 20:50:10,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 640 transitions, 15790 flow [2021-06-11 20:50:10,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 640 transitions, 15427 flow, removed 179 selfloop flow, removed 1 redundant places. [2021-06-11 20:50:10,975 INFO L241 Difference]: Finished difference. Result has 98 places, 616 transitions, 15158 flow [2021-06-11 20:50:10,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=13549, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=428, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=15158, PETRI_PLACES=98, PETRI_TRANSITIONS=616} [2021-06-11 20:50:10,975 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 59 predicate places. [2021-06-11 20:50:10,975 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:10,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 616 transitions, 15158 flow [2021-06-11 20:50:10,975 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 616 transitions, 15158 flow [2021-06-11 20:50:10,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 616 transitions, 15158 flow [2021-06-11 20:50:11,485 INFO L129 PetriNetUnfolder]: 2294/4220 cut-off events. [2021-06-11 20:50:11,485 INFO L130 PetriNetUnfolder]: For 60527/61175 co-relation queries the response was YES. [2021-06-11 20:50:11,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37445 conditions, 4220 events. 2294/4220 cut-off events. For 60527/61175 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 31581 event pairs, 83 based on Foata normal form. 226/4440 useless extension candidates. Maximal degree in co-relation 37157. Up to 1986 conditions per place. [2021-06-11 20:50:11,529 INFO L151 LiptonReduction]: Number of co-enabled transitions 1028 [2021-06-11 20:50:11,610 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:11,610 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:11,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 635 [2021-06-11 20:50:11,611 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 616 transitions, 15158 flow [2021-06-11 20:50:11,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:11,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:11,611 INFO L263 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] [2021-06-11 20:50:11,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 20:50:11,611 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:11,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:11,611 INFO L82 PathProgramCache]: Analyzing trace with hash -301250381, now seen corresponding path program 15 times [2021-06-11 20:50:11,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:11,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522869287] [2021-06-11 20:50:11,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:11,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:11,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:11,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:11,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:11,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:11,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:11,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:11,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:11,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:11,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:11,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:11,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:11,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522869287] [2021-06-11 20:50:11,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:11,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:50:11,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866929548] [2021-06-11 20:50:11,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:50:11,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:11,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:50:11,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:50:11,636 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:11,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 616 transitions, 15158 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:11,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:11,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:11,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:12,632 INFO L129 PetriNetUnfolder]: 2701/4905 cut-off events. [2021-06-11 20:50:12,632 INFO L130 PetriNetUnfolder]: For 67042/68010 co-relation queries the response was YES. [2021-06-11 20:50:12,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47512 conditions, 4905 events. 2701/4905 cut-off events. For 67042/68010 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 36502 event pairs, 190 based on Foata normal form. 232/5133 useless extension candidates. Maximal degree in co-relation 47215. Up to 2818 conditions per place. [2021-06-11 20:50:12,671 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 232 selfloop transitions, 444 changer transitions 0/687 dead transitions. [2021-06-11 20:50:12,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 687 transitions, 18307 flow [2021-06-11 20:50:12,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:50:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:50:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-06-11 20:50:12,672 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6129032258064516 [2021-06-11 20:50:12,672 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-06-11 20:50:12,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-06-11 20:50:12,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:12,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-06-11 20:50:12,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:12,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:12,673 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:12,674 INFO L185 Difference]: Start difference. First operand has 98 places, 616 transitions, 15158 flow. Second operand 6 states and 228 transitions. [2021-06-11 20:50:12,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 687 transitions, 18307 flow [2021-06-11 20:50:12,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 687 transitions, 18255 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-06-11 20:50:12,840 INFO L241 Difference]: Finished difference. Result has 101 places, 666 transitions, 17486 flow [2021-06-11 20:50:12,841 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=15106, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=394, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=17486, PETRI_PLACES=101, PETRI_TRANSITIONS=666} [2021-06-11 20:50:12,841 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 62 predicate places. [2021-06-11 20:50:12,841 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:12,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 666 transitions, 17486 flow [2021-06-11 20:50:12,841 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 666 transitions, 17486 flow [2021-06-11 20:50:12,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 666 transitions, 17486 flow [2021-06-11 20:50:13,345 INFO L129 PetriNetUnfolder]: 2351/4361 cut-off events. [2021-06-11 20:50:13,345 INFO L130 PetriNetUnfolder]: For 71000/71709 co-relation queries the response was YES. [2021-06-11 20:50:13,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39880 conditions, 4361 events. 2351/4361 cut-off events. For 71000/71709 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 32946 event pairs, 67 based on Foata normal form. 245/4602 useless extension candidates. Maximal degree in co-relation 39582. Up to 1953 conditions per place. [2021-06-11 20:50:13,385 INFO L151 LiptonReduction]: Number of co-enabled transitions 1040 [2021-06-11 20:50:13,472 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:13,473 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:13,473 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 632 [2021-06-11 20:50:13,473 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 666 transitions, 17486 flow [2021-06-11 20:50:13,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:13,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:13,473 INFO L263 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] [2021-06-11 20:50:13,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 20:50:13,473 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:13,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:13,474 INFO L82 PathProgramCache]: Analyzing trace with hash 536110823, now seen corresponding path program 16 times [2021-06-11 20:50:13,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:13,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841470642] [2021-06-11 20:50:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:13,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:13,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:13,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:13,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:13,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:13,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:13,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:13,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:13,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:13,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:13,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:13,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:13,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841470642] [2021-06-11 20:50:13,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:13,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:50:13,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817874683] [2021-06-11 20:50:13,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:50:13,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:13,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:50:13,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:50:13,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:13,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 666 transitions, 17486 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:13,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:13,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:13,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:14,497 INFO L129 PetriNetUnfolder]: 2674/4889 cut-off events. [2021-06-11 20:50:14,497 INFO L130 PetriNetUnfolder]: For 83429/84443 co-relation queries the response was YES. [2021-06-11 20:50:14,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48497 conditions, 4889 events. 2674/4889 cut-off events. For 83429/84443 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 37028 event pairs, 180 based on Foata normal form. 174/5059 useless extension candidates. Maximal degree in co-relation 48222. Up to 1923 conditions per place. [2021-06-11 20:50:14,534 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 188 selfloop transitions, 516 changer transitions 0/715 dead transitions. [2021-06-11 20:50:14,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 715 transitions, 19613 flow [2021-06-11 20:50:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:50:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:50:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-06-11 20:50:14,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6129032258064516 [2021-06-11 20:50:14,537 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-06-11 20:50:14,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-06-11 20:50:14,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:14,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-06-11 20:50:14,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:14,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:14,538 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:14,538 INFO L185 Difference]: Start difference. First operand has 101 places, 666 transitions, 17486 flow. Second operand 6 states and 228 transitions. [2021-06-11 20:50:14,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 715 transitions, 19613 flow [2021-06-11 20:50:14,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 715 transitions, 19580 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 20:50:14,715 INFO L241 Difference]: Finished difference. Result has 105 places, 689 transitions, 19143 flow [2021-06-11 20:50:14,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=17453, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=493, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=19143, PETRI_PLACES=105, PETRI_TRANSITIONS=689} [2021-06-11 20:50:14,716 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 66 predicate places. [2021-06-11 20:50:14,716 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:14,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 689 transitions, 19143 flow [2021-06-11 20:50:14,716 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 689 transitions, 19143 flow [2021-06-11 20:50:14,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 689 transitions, 19143 flow [2021-06-11 20:50:15,285 INFO L129 PetriNetUnfolder]: 2320/4363 cut-off events. [2021-06-11 20:50:15,286 INFO L130 PetriNetUnfolder]: For 80314/80918 co-relation queries the response was YES. [2021-06-11 20:50:15,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42974 conditions, 4363 events. 2320/4363 cut-off events. For 80314/80918 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 33486 event pairs, 83 based on Foata normal form. 245/4605 useless extension candidates. Maximal degree in co-relation 42674. Up to 1920 conditions per place. [2021-06-11 20:50:15,329 INFO L151 LiptonReduction]: Number of co-enabled transitions 1064 [2021-06-11 20:50:15,452 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:15,452 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:15,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 736 [2021-06-11 20:50:15,453 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 689 transitions, 19143 flow [2021-06-11 20:50:15,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:15,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:15,453 INFO L263 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] [2021-06-11 20:50:15,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 20:50:15,453 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:15,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:15,453 INFO L82 PathProgramCache]: Analyzing trace with hash -494552239, now seen corresponding path program 17 times [2021-06-11 20:50:15,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:15,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202711196] [2021-06-11 20:50:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:15,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:15,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:15,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:15,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:15,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:15,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202711196] [2021-06-11 20:50:15,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:15,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:50:15,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595230012] [2021-06-11 20:50:15,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:50:15,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:15,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:50:15,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:50:15,486 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:15,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 689 transitions, 19143 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:15,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:15,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:15,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:16,568 INFO L129 PetriNetUnfolder]: 2625/4898 cut-off events. [2021-06-11 20:50:16,568 INFO L130 PetriNetUnfolder]: For 94647/95042 co-relation queries the response was YES. [2021-06-11 20:50:16,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52152 conditions, 4898 events. 2625/4898 cut-off events. For 94647/95042 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 37994 event pairs, 150 based on Foata normal form. 238/5134 useless extension candidates. Maximal degree in co-relation 51884. Up to 1891 conditions per place. [2021-06-11 20:50:16,607 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 188 selfloop transitions, 565 changer transitions 0/764 dead transitions. [2021-06-11 20:50:16,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 764 transitions, 22281 flow [2021-06-11 20:50:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:50:16,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:50:16,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-06-11 20:50:16,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6129032258064516 [2021-06-11 20:50:16,608 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-06-11 20:50:16,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-06-11 20:50:16,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:16,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-06-11 20:50:16,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:16,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:16,609 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:16,609 INFO L185 Difference]: Start difference. First operand has 105 places, 689 transitions, 19143 flow. Second operand 6 states and 228 transitions. [2021-06-11 20:50:16,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 764 transitions, 22281 flow [2021-06-11 20:50:16,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 764 transitions, 21691 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 20:50:16,763 INFO L241 Difference]: Finished difference. Result has 108 places, 740 transitions, 21292 flow [2021-06-11 20:50:16,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=18239, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=503, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=21292, PETRI_PLACES=108, PETRI_TRANSITIONS=740} [2021-06-11 20:50:16,763 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 69 predicate places. [2021-06-11 20:50:16,763 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:16,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 740 transitions, 21292 flow [2021-06-11 20:50:16,763 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 740 transitions, 21292 flow [2021-06-11 20:50:16,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 740 transitions, 21292 flow [2021-06-11 20:50:17,370 INFO L129 PetriNetUnfolder]: 2260/4306 cut-off events. [2021-06-11 20:50:17,370 INFO L130 PetriNetUnfolder]: For 93853/94833 co-relation queries the response was YES. [2021-06-11 20:50:17,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44754 conditions, 4306 events. 2260/4306 cut-off events. For 93853/94833 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 33585 event pairs, 76 based on Foata normal form. 294/4597 useless extension candidates. Maximal degree in co-relation 44476. Up to 1888 conditions per place. [2021-06-11 20:50:17,413 INFO L151 LiptonReduction]: Number of co-enabled transitions 1082 [2021-06-11 20:50:17,559 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:17,559 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:17,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 796 [2021-06-11 20:50:17,560 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 740 transitions, 21292 flow [2021-06-11 20:50:17,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:17,560 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:17,560 INFO L263 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] [2021-06-11 20:50:17,560 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 20:50:17,560 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:17,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:17,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1419620797, now seen corresponding path program 18 times [2021-06-11 20:50:17,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:17,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562847638] [2021-06-11 20:50:17,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:17,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:17,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:17,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:17,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:17,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:17,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:17,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:17,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:17,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:17,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:17,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:17,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:17,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:17,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:17,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562847638] [2021-06-11 20:50:17,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:17,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-11 20:50:17,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849582572] [2021-06-11 20:50:17,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 20:50:17,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:17,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 20:50:17,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-11 20:50:17,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:17,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 740 transitions, 21292 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:17,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:17,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:17,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:18,872 INFO L129 PetriNetUnfolder]: 2641/4940 cut-off events. [2021-06-11 20:50:18,872 INFO L130 PetriNetUnfolder]: For 96853/97252 co-relation queries the response was YES. [2021-06-11 20:50:18,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54806 conditions, 4940 events. 2641/4940 cut-off events. For 96853/97252 co-relation queries the response was YES. Maximal size of possible extension queue 523. Compared 38343 event pairs, 155 based on Foata normal form. 80/5017 useless extension candidates. Maximal degree in co-relation 54541. Up to 1915 conditions per place. [2021-06-11 20:50:18,912 INFO L132 encePairwiseOnDemand]: 50/62 looper letters, 177 selfloop transitions, 590 changer transitions 0/778 dead transitions. [2021-06-11 20:50:18,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 778 transitions, 24019 flow [2021-06-11 20:50:18,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 20:50:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 20:50:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 377 transitions. [2021-06-11 20:50:18,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6080645161290322 [2021-06-11 20:50:18,913 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 377 transitions. [2021-06-11 20:50:18,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 377 transitions. [2021-06-11 20:50:18,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:18,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 377 transitions. [2021-06-11 20:50:18,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 37.7) internal successors, (377), 10 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:18,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:18,915 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:18,915 INFO L185 Difference]: Start difference. First operand has 108 places, 740 transitions, 21292 flow. Second operand 10 states and 377 transitions. [2021-06-11 20:50:18,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 778 transitions, 24019 flow [2021-06-11 20:50:19,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 778 transitions, 23197 flow, removed 37 selfloop flow, removed 4 redundant places. [2021-06-11 20:50:19,128 INFO L241 Difference]: Finished difference. Result has 115 places, 770 transitions, 22847 flow [2021-06-11 20:50:19,128 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=20523, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=740, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=560, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=22847, PETRI_PLACES=115, PETRI_TRANSITIONS=770} [2021-06-11 20:50:19,128 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 76 predicate places. [2021-06-11 20:50:19,129 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:19,129 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 770 transitions, 22847 flow [2021-06-11 20:50:19,129 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 770 transitions, 22847 flow [2021-06-11 20:50:19,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 770 transitions, 22847 flow [2021-06-11 20:50:19,769 INFO L129 PetriNetUnfolder]: 2279/4354 cut-off events. [2021-06-11 20:50:19,769 INFO L130 PetriNetUnfolder]: For 95388/96472 co-relation queries the response was YES. [2021-06-11 20:50:19,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46568 conditions, 4354 events. 2279/4354 cut-off events. For 95388/96472 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 34431 event pairs, 68 based on Foata normal form. 246/4593 useless extension candidates. Maximal degree in co-relation 46306. Up to 1915 conditions per place. [2021-06-11 20:50:19,813 INFO L151 LiptonReduction]: Number of co-enabled transitions 1082 [2021-06-11 20:50:19,958 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:19,958 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:19,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 829 [2021-06-11 20:50:19,959 INFO L480 AbstractCegarLoop]: Abstraction has has 115 places, 770 transitions, 22847 flow [2021-06-11 20:50:19,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:19,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:19,959 INFO L263 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] [2021-06-11 20:50:19,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 20:50:19,959 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:19,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:19,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1345677495, now seen corresponding path program 19 times [2021-06-11 20:50:19,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:19,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959238648] [2021-06-11 20:50:19,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:19,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:19,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:19,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:19,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:19,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:19,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:19,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:19,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:19,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:19,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:19,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:19,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:20,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:20,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:20,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:20,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:20,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959238648] [2021-06-11 20:50:20,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:20,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-11 20:50:20,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322699576] [2021-06-11 20:50:20,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 20:50:20,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:20,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 20:50:20,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-11 20:50:20,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:20,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 770 transitions, 22847 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:20,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:20,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:20,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:21,238 INFO L129 PetriNetUnfolder]: 2664/5012 cut-off events. [2021-06-11 20:50:21,238 INFO L130 PetriNetUnfolder]: For 109297/109714 co-relation queries the response was YES. [2021-06-11 20:50:21,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57442 conditions, 5012 events. 2664/5012 cut-off events. For 109297/109714 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 39272 event pairs, 148 based on Foata normal form. 84/5093 useless extension candidates. Maximal degree in co-relation 57167. Up to 1943 conditions per place. [2021-06-11 20:50:21,283 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 179 selfloop transitions, 628 changer transitions 0/818 dead transitions. [2021-06-11 20:50:21,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 818 transitions, 25987 flow [2021-06-11 20:50:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 20:50:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 20:50:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 376 transitions. [2021-06-11 20:50:21,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6064516129032258 [2021-06-11 20:50:21,284 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 376 transitions. [2021-06-11 20:50:21,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 376 transitions. [2021-06-11 20:50:21,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:21,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 376 transitions. [2021-06-11 20:50:21,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 37.6) internal successors, (376), 10 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:21,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:21,286 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:21,286 INFO L185 Difference]: Start difference. First operand has 115 places, 770 transitions, 22847 flow. Second operand 10 states and 376 transitions. [2021-06-11 20:50:21,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 818 transitions, 25987 flow [2021-06-11 20:50:21,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 818 transitions, 25062 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-06-11 20:50:21,531 INFO L241 Difference]: Finished difference. Result has 119 places, 808 transitions, 24553 flow [2021-06-11 20:50:21,531 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=21966, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=590, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=24553, PETRI_PLACES=119, PETRI_TRANSITIONS=808} [2021-06-11 20:50:21,531 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 80 predicate places. [2021-06-11 20:50:21,531 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:21,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 808 transitions, 24553 flow [2021-06-11 20:50:21,532 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 808 transitions, 24553 flow [2021-06-11 20:50:21,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 808 transitions, 24553 flow [2021-06-11 20:50:22,234 INFO L129 PetriNetUnfolder]: 2302/4398 cut-off events. [2021-06-11 20:50:22,235 INFO L130 PetriNetUnfolder]: For 104311/105843 co-relation queries the response was YES. [2021-06-11 20:50:22,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47484 conditions, 4398 events. 2302/4398 cut-off events. For 104311/105843 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 34704 event pairs, 77 based on Foata normal form. 282/4674 useless extension candidates. Maximal degree in co-relation 47211. Up to 1919 conditions per place. [2021-06-11 20:50:22,274 INFO L151 LiptonReduction]: Number of co-enabled transitions 1084 [2021-06-11 20:50:22,459 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:22,459 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:22,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 928 [2021-06-11 20:50:22,460 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 808 transitions, 24553 flow [2021-06-11 20:50:22,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:22,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:22,460 INFO L263 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] [2021-06-11 20:50:22,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 20:50:22,460 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:22,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:22,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1514148733, now seen corresponding path program 20 times [2021-06-11 20:50:22,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:22,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414585069] [2021-06-11 20:50:22,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:22,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:22,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:22,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:22,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:22,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:22,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:22,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:22,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:22,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:22,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:22,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:22,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:22,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414585069] [2021-06-11 20:50:22,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:22,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:50:22,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653660294] [2021-06-11 20:50:22,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:50:22,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:22,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:50:22,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:50:22,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:22,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 808 transitions, 24553 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:22,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:22,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:22,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:24,024 INFO L129 PetriNetUnfolder]: 2792/5349 cut-off events. [2021-06-11 20:50:24,024 INFO L130 PetriNetUnfolder]: For 127754/128181 co-relation queries the response was YES. [2021-06-11 20:50:24,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62252 conditions, 5349 events. 2792/5349 cut-off events. For 127754/128181 co-relation queries the response was YES. Maximal size of possible extension queue 601. Compared 43469 event pairs, 193 based on Foata normal form. 300/5646 useless extension candidates. Maximal degree in co-relation 61973. Up to 2845 conditions per place. [2021-06-11 20:50:24,066 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 296 selfloop transitions, 633 changer transitions 0/940 dead transitions. [2021-06-11 20:50:24,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 940 transitions, 30491 flow [2021-06-11 20:50:24,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 20:50:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 20:50:24,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 307 transitions. [2021-06-11 20:50:24,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6189516129032258 [2021-06-11 20:50:24,068 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 307 transitions. [2021-06-11 20:50:24,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 307 transitions. [2021-06-11 20:50:24,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:24,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 307 transitions. [2021-06-11 20:50:24,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.375) internal successors, (307), 8 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:24,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:24,069 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:24,069 INFO L185 Difference]: Start difference. First operand has 119 places, 808 transitions, 24553 flow. Second operand 8 states and 307 transitions. [2021-06-11 20:50:24,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 940 transitions, 30491 flow [2021-06-11 20:50:24,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 940 transitions, 30462 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 20:50:24,467 INFO L241 Difference]: Finished difference. Result has 124 places, 906 transitions, 29268 flow [2021-06-11 20:50:24,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=24524, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=808, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29268, PETRI_PLACES=124, PETRI_TRANSITIONS=906} [2021-06-11 20:50:24,468 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 85 predicate places. [2021-06-11 20:50:24,468 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:24,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 906 transitions, 29268 flow [2021-06-11 20:50:24,468 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 906 transitions, 29268 flow [2021-06-11 20:50:24,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 906 transitions, 29268 flow [2021-06-11 20:50:25,272 INFO L129 PetriNetUnfolder]: 2392/4689 cut-off events. [2021-06-11 20:50:25,272 INFO L130 PetriNetUnfolder]: For 124283/125749 co-relation queries the response was YES. [2021-06-11 20:50:25,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52729 conditions, 4689 events. 2392/4689 cut-off events. For 124283/125749 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 38305 event pairs, 78 based on Foata normal form. 299/4979 useless extension candidates. Maximal degree in co-relation 52441. Up to 2036 conditions per place. [2021-06-11 20:50:25,327 INFO L151 LiptonReduction]: Number of co-enabled transitions 1154 [2021-06-11 20:50:25,493 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:25,493 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:25,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1025 [2021-06-11 20:50:25,494 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 906 transitions, 29268 flow [2021-06-11 20:50:25,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:25,494 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:25,494 INFO L263 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] [2021-06-11 20:50:25,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 20:50:25,494 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:25,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:25,494 INFO L82 PathProgramCache]: Analyzing trace with hash -49295985, now seen corresponding path program 21 times [2021-06-11 20:50:25,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:25,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335307745] [2021-06-11 20:50:25,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:25,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:25,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:25,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:25,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:25,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:25,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:25,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:25,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:25,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:25,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:25,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:25,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:25,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:25,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335307745] [2021-06-11 20:50:25,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:25,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 20:50:25,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913891337] [2021-06-11 20:50:25,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 20:50:25,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:25,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 20:50:25,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-11 20:50:25,535 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:25,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 906 transitions, 29268 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:25,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:25,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:25,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:27,206 INFO L129 PetriNetUnfolder]: 2853/5490 cut-off events. [2021-06-11 20:50:27,206 INFO L130 PetriNetUnfolder]: For 136344/136783 co-relation queries the response was YES. [2021-06-11 20:50:27,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66021 conditions, 5490 events. 2853/5490 cut-off events. For 136344/136783 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 45052 event pairs, 146 based on Foata normal form. 154/5641 useless extension candidates. Maximal degree in co-relation 65742. Up to 2111 conditions per place. [2021-06-11 20:50:27,251 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 220 selfloop transitions, 745 changer transitions 5/981 dead transitions. [2021-06-11 20:50:27,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 981 transitions, 33317 flow [2021-06-11 20:50:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 20:50:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 20:50:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 347 transitions. [2021-06-11 20:50:27,252 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6218637992831542 [2021-06-11 20:50:27,252 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 347 transitions. [2021-06-11 20:50:27,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 347 transitions. [2021-06-11 20:50:27,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:27,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 347 transitions. [2021-06-11 20:50:27,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.55555555555556) internal successors, (347), 9 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:27,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:27,254 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:27,254 INFO L185 Difference]: Start difference. First operand has 124 places, 906 transitions, 29268 flow. Second operand 9 states and 347 transitions. [2021-06-11 20:50:27,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 981 transitions, 33317 flow [2021-06-11 20:50:27,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 981 transitions, 31428 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 20:50:27,598 INFO L241 Difference]: Finished difference. Result has 127 places, 955 transitions, 30438 flow [2021-06-11 20:50:27,598 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=27524, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=906, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=692, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=30438, PETRI_PLACES=127, PETRI_TRANSITIONS=955} [2021-06-11 20:50:27,599 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 88 predicate places. [2021-06-11 20:50:27,599 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:27,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 955 transitions, 30438 flow [2021-06-11 20:50:27,599 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 955 transitions, 30438 flow [2021-06-11 20:50:27,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 955 transitions, 30438 flow [2021-06-11 20:50:28,517 INFO L129 PetriNetUnfolder]: 2444/4749 cut-off events. [2021-06-11 20:50:28,517 INFO L130 PetriNetUnfolder]: For 123189/124614 co-relation queries the response was YES. [2021-06-11 20:50:28,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53813 conditions, 4749 events. 2444/4749 cut-off events. For 123189/124614 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 38925 event pairs, 70 based on Foata normal form. 338/5082 useless extension candidates. Maximal degree in co-relation 53560. Up to 2109 conditions per place. [2021-06-11 20:50:28,572 INFO L151 LiptonReduction]: Number of co-enabled transitions 1162 [2021-06-11 20:50:28,889 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:28,889 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:28,889 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1290 [2021-06-11 20:50:28,889 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 955 transitions, 30438 flow [2021-06-11 20:50:28,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:28,890 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:28,890 INFO L263 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] [2021-06-11 20:50:28,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 20:50:28,890 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:28,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:28,890 INFO L82 PathProgramCache]: Analyzing trace with hash 610763805, now seen corresponding path program 22 times [2021-06-11 20:50:28,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:28,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075114080] [2021-06-11 20:50:28,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:28,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:28,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:28,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:28,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:28,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:28,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:28,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:28,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:28,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:28,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:28,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:28,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075114080] [2021-06-11 20:50:28,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:28,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 20:50:28,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250204629] [2021-06-11 20:50:28,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 20:50:28,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:28,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 20:50:28,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-11 20:50:28,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:28,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 955 transitions, 30438 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:28,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:28,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:28,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:30,974 INFO L129 PetriNetUnfolder]: 2946/5801 cut-off events. [2021-06-11 20:50:30,974 INFO L130 PetriNetUnfolder]: For 125891/126314 co-relation queries the response was YES. [2021-06-11 20:50:31,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71487 conditions, 5801 events. 2946/5801 cut-off events. For 125891/126314 co-relation queries the response was YES. Maximal size of possible extension queue 735. Compared 49382 event pairs, 132 based on Foata normal form. 501/6300 useless extension candidates. Maximal degree in co-relation 71210. Up to 2433 conditions per place. [2021-06-11 20:50:31,091 INFO L132 encePairwiseOnDemand]: 50/62 looper letters, 181 selfloop transitions, 868 changer transitions 111/1171 dead transitions. [2021-06-11 20:50:31,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 1171 transitions, 39383 flow [2021-06-11 20:50:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 20:50:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 20:50:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 498 transitions. [2021-06-11 20:50:31,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6178660049627791 [2021-06-11 20:50:31,092 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 498 transitions. [2021-06-11 20:50:31,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 498 transitions. [2021-06-11 20:50:31,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:31,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 498 transitions. [2021-06-11 20:50:31,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.30769230769231) internal successors, (498), 13 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:31,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:31,094 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:31,094 INFO L185 Difference]: Start difference. First operand has 127 places, 955 transitions, 30438 flow. Second operand 13 states and 498 transitions. [2021-06-11 20:50:31,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 1171 transitions, 39383 flow [2021-06-11 20:50:31,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 1171 transitions, 37339 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 20:50:31,540 INFO L241 Difference]: Finished difference. Result has 139 places, 1048 transitions, 33406 flow [2021-06-11 20:50:31,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=27637, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=921, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=648, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=33406, PETRI_PLACES=139, PETRI_TRANSITIONS=1048} [2021-06-11 20:50:31,541 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 100 predicate places. [2021-06-11 20:50:31,541 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:31,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 1048 transitions, 33406 flow [2021-06-11 20:50:31,541 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 1048 transitions, 33406 flow [2021-06-11 20:50:31,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 1048 transitions, 33406 flow [2021-06-11 20:50:32,649 INFO L129 PetriNetUnfolder]: 2407/4935 cut-off events. [2021-06-11 20:50:32,650 INFO L130 PetriNetUnfolder]: For 121090/122789 co-relation queries the response was YES. [2021-06-11 20:50:32,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58365 conditions, 4935 events. 2407/4935 cut-off events. For 121090/122789 co-relation queries the response was YES. Maximal size of possible extension queue 667. Compared 43194 event pairs, 64 based on Foata normal form. 287/5213 useless extension candidates. Maximal degree in co-relation 58088. Up to 2322 conditions per place. [2021-06-11 20:50:32,707 INFO L151 LiptonReduction]: Number of co-enabled transitions 1252 [2021-06-11 20:50:32,903 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:32,903 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:32,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1362 [2021-06-11 20:50:32,904 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 1048 transitions, 33406 flow [2021-06-11 20:50:32,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:32,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:32,904 INFO L263 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] [2021-06-11 20:50:32,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 20:50:32,904 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:32,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:32,904 INFO L82 PathProgramCache]: Analyzing trace with hash -96085629, now seen corresponding path program 23 times [2021-06-11 20:50:32,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:32,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286395356] [2021-06-11 20:50:32,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:32,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:32,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:32,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:32,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:32,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:32,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:32,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:32,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:32,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:32,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:32,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:32,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286395356] [2021-06-11 20:50:32,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:32,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 20:50:32,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417989383] [2021-06-11 20:50:32,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 20:50:32,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:32,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 20:50:32,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-11 20:50:32,978 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:32,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 1048 transitions, 33406 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:32,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:32,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:32,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:35,223 INFO L129 PetriNetUnfolder]: 2702/5628 cut-off events. [2021-06-11 20:50:35,223 INFO L130 PetriNetUnfolder]: For 142299/143347 co-relation queries the response was YES. [2021-06-11 20:50:35,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72207 conditions, 5628 events. 2702/5628 cut-off events. For 142299/143347 co-relation queries the response was YES. Maximal size of possible extension queue 749. Compared 50726 event pairs, 128 based on Foata normal form. 406/6031 useless extension candidates. Maximal degree in co-relation 71949. Up to 2351 conditions per place. [2021-06-11 20:50:35,273 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 193 selfloop transitions, 976 changer transitions 65/1245 dead transitions. [2021-06-11 20:50:35,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 1245 transitions, 40828 flow [2021-06-11 20:50:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 20:50:35,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 20:50:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 643 transitions. [2021-06-11 20:50:35,281 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.610056925996205 [2021-06-11 20:50:35,281 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 643 transitions. [2021-06-11 20:50:35,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 643 transitions. [2021-06-11 20:50:35,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:35,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 643 transitions. [2021-06-11 20:50:35,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 37.8235294117647) internal successors, (643), 17 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:35,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:35,287 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:35,287 INFO L185 Difference]: Start difference. First operand has 139 places, 1048 transitions, 33406 flow. Second operand 17 states and 643 transitions. [2021-06-11 20:50:35,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 1245 transitions, 40828 flow [2021-06-11 20:50:35,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 1245 transitions, 38341 flow, removed 285 selfloop flow, removed 10 redundant places. [2021-06-11 20:50:35,989 INFO L241 Difference]: Finished difference. Result has 145 places, 1156 transitions, 35274 flow [2021-06-11 20:50:35,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=30602, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=793, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=35274, PETRI_PLACES=145, PETRI_TRANSITIONS=1156} [2021-06-11 20:50:35,990 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 106 predicate places. [2021-06-11 20:50:35,990 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:35,990 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 1156 transitions, 35274 flow [2021-06-11 20:50:35,991 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 1156 transitions, 35274 flow [2021-06-11 20:50:36,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 1156 transitions, 35274 flow [2021-06-11 20:50:37,125 INFO L129 PetriNetUnfolder]: 2282/4914 cut-off events. [2021-06-11 20:50:37,125 INFO L130 PetriNetUnfolder]: For 101735/102856 co-relation queries the response was YES. [2021-06-11 20:50:37,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56216 conditions, 4914 events. 2282/4914 cut-off events. For 101735/102856 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 44716 event pairs, 56 based on Foata normal form. 262/5169 useless extension candidates. Maximal degree in co-relation 55930. Up to 1781 conditions per place. [2021-06-11 20:50:37,178 INFO L151 LiptonReduction]: Number of co-enabled transitions 1324 [2021-06-11 20:50:37,390 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:37,390 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:37,390 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1400 [2021-06-11 20:50:37,391 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 1156 transitions, 35274 flow [2021-06-11 20:50:37,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:37,391 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:37,391 INFO L263 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] [2021-06-11 20:50:37,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 20:50:37,391 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:37,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:37,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1291981803, now seen corresponding path program 24 times [2021-06-11 20:50:37,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:37,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71790606] [2021-06-11 20:50:37,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:37,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:37,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:37,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:37,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:37,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:37,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:37,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:37,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:37,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:37,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:37,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:37,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:37,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71790606] [2021-06-11 20:50:37,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:37,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:50:37,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615574088] [2021-06-11 20:50:37,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:50:37,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:37,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:50:37,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:50:37,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:37,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 1156 transitions, 35274 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:37,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:37,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:37,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:39,590 INFO L129 PetriNetUnfolder]: 2525/5417 cut-off events. [2021-06-11 20:50:39,590 INFO L130 PetriNetUnfolder]: For 121780/122886 co-relation queries the response was YES. [2021-06-11 20:50:39,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66443 conditions, 5417 events. 2525/5417 cut-off events. For 121780/122886 co-relation queries the response was YES. Maximal size of possible extension queue 726. Compared 49620 event pairs, 168 based on Foata normal form. 292/5706 useless extension candidates. Maximal degree in co-relation 66176. Up to 3030 conditions per place. [2021-06-11 20:50:39,629 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 411 selfloop transitions, 755 changer transitions 27/1204 dead transitions. [2021-06-11 20:50:39,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 1204 transitions, 38832 flow [2021-06-11 20:50:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:50:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:50:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2021-06-11 20:50:39,630 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6129032258064516 [2021-06-11 20:50:39,630 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 228 transitions. [2021-06-11 20:50:39,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 228 transitions. [2021-06-11 20:50:39,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:39,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 228 transitions. [2021-06-11 20:50:39,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:39,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:39,631 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:39,631 INFO L185 Difference]: Start difference. First operand has 145 places, 1156 transitions, 35274 flow. Second operand 6 states and 228 transitions. [2021-06-11 20:50:39,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 1204 transitions, 38832 flow [2021-06-11 20:50:40,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 1204 transitions, 37986 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-06-11 20:50:40,116 INFO L241 Difference]: Finished difference. Result has 144 places, 1143 transitions, 35487 flow [2021-06-11 20:50:40,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=33511, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=729, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=35487, PETRI_PLACES=144, PETRI_TRANSITIONS=1143} [2021-06-11 20:50:40,117 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 105 predicate places. [2021-06-11 20:50:40,117 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:40,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 1143 transitions, 35487 flow [2021-06-11 20:50:40,117 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 1143 transitions, 35487 flow [2021-06-11 20:50:40,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 1143 transitions, 35487 flow [2021-06-11 20:50:41,188 INFO L129 PetriNetUnfolder]: 2124/4665 cut-off events. [2021-06-11 20:50:41,188 INFO L130 PetriNetUnfolder]: For 106442/107593 co-relation queries the response was YES. [2021-06-11 20:50:41,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53041 conditions, 4665 events. 2124/4665 cut-off events. For 106442/107593 co-relation queries the response was YES. Maximal size of possible extension queue 631. Compared 43006 event pairs, 55 based on Foata normal form. 251/4908 useless extension candidates. Maximal degree in co-relation 52783. Up to 1732 conditions per place. [2021-06-11 20:50:41,244 INFO L151 LiptonReduction]: Number of co-enabled transitions 1278 [2021-06-11 20:50:41,491 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:41,491 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:41,491 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1374 [2021-06-11 20:50:41,491 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 1143 transitions, 35487 flow [2021-06-11 20:50:41,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:41,491 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:41,491 INFO L263 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] [2021-06-11 20:50:41,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 20:50:41,492 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:41,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:41,492 INFO L82 PathProgramCache]: Analyzing trace with hash -2001585235, now seen corresponding path program 25 times [2021-06-11 20:50:41,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:41,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566262832] [2021-06-11 20:50:41,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:41,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:41,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:41,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:41,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:41,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:41,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:41,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:41,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:41,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:41,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:41,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:41,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:41,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566262832] [2021-06-11 20:50:41,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:41,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:50:41,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294042916] [2021-06-11 20:50:41,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:50:41,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:41,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:50:41,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:50:41,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:41,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 1143 transitions, 35487 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:41,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:41,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:41,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:43,449 INFO L129 PetriNetUnfolder]: 2249/5032 cut-off events. [2021-06-11 20:50:43,449 INFO L130 PetriNetUnfolder]: For 118068/118807 co-relation queries the response was YES. [2021-06-11 20:50:43,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61577 conditions, 5032 events. 2249/5032 cut-off events. For 118068/118807 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 47083 event pairs, 165 based on Foata normal form. 335/5365 useless extension candidates. Maximal degree in co-relation 61300. Up to 2845 conditions per place. [2021-06-11 20:50:43,498 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 415 selfloop transitions, 747 changer transitions 49/1222 dead transitions. [2021-06-11 20:50:43,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 1222 transitions, 39739 flow [2021-06-11 20:50:43,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 20:50:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 20:50:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 307 transitions. [2021-06-11 20:50:43,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6189516129032258 [2021-06-11 20:50:43,499 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 307 transitions. [2021-06-11 20:50:43,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 307 transitions. [2021-06-11 20:50:43,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:43,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 307 transitions. [2021-06-11 20:50:43,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.375) internal successors, (307), 8 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:43,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:43,500 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 62.0) internal successors, (558), 9 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:43,500 INFO L185 Difference]: Start difference. First operand has 144 places, 1143 transitions, 35487 flow. Second operand 8 states and 307 transitions. [2021-06-11 20:50:43,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 1222 transitions, 39739 flow [2021-06-11 20:50:44,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 1222 transitions, 38785 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-06-11 20:50:44,038 INFO L241 Difference]: Finished difference. Result has 148 places, 1127 transitions, 35199 flow [2021-06-11 20:50:44,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=33115, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=687, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=35199, PETRI_PLACES=148, PETRI_TRANSITIONS=1127} [2021-06-11 20:50:44,039 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 109 predicate places. [2021-06-11 20:50:44,039 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:44,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 1127 transitions, 35199 flow [2021-06-11 20:50:44,040 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 1127 transitions, 35199 flow [2021-06-11 20:50:44,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 1127 transitions, 35199 flow [2021-06-11 20:50:45,138 INFO L129 PetriNetUnfolder]: 1885/4360 cut-off events. [2021-06-11 20:50:45,138 INFO L130 PetriNetUnfolder]: For 97820/98560 co-relation queries the response was YES. [2021-06-11 20:50:45,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49748 conditions, 4360 events. 1885/4360 cut-off events. For 97820/98560 co-relation queries the response was YES. Maximal size of possible extension queue 602. Compared 41367 event pairs, 50 based on Foata normal form. 217/4571 useless extension candidates. Maximal degree in co-relation 49494. Up to 1621 conditions per place. [2021-06-11 20:50:45,184 INFO L151 LiptonReduction]: Number of co-enabled transitions 1244 [2021-06-11 20:50:45,407 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:45,407 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:45,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1368 [2021-06-11 20:50:45,408 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 1127 transitions, 35199 flow [2021-06-11 20:50:45,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:45,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:45,408 INFO L263 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] [2021-06-11 20:50:45,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 20:50:45,408 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:45,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:45,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1821011467, now seen corresponding path program 26 times [2021-06-11 20:50:45,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:45,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655269903] [2021-06-11 20:50:45,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:45,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:45,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:45,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:45,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:45,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:45,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:45,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:45,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:45,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:45,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:45,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:45,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655269903] [2021-06-11 20:50:45,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:45,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 20:50:45,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587735333] [2021-06-11 20:50:45,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 20:50:45,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:45,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 20:50:45,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-11 20:50:45,445 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:45,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 1127 transitions, 35199 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:45,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:45,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:45,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:47,603 INFO L129 PetriNetUnfolder]: 2264/5102 cut-off events. [2021-06-11 20:50:47,603 INFO L130 PetriNetUnfolder]: For 117301/117728 co-relation queries the response was YES. [2021-06-11 20:50:47,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62394 conditions, 5102 events. 2264/5102 cut-off events. For 117301/117728 co-relation queries the response was YES. Maximal size of possible extension queue 713. Compared 48082 event pairs, 44 based on Foata normal form. 181/5281 useless extension candidates. Maximal degree in co-relation 62116. Up to 1947 conditions per place. [2021-06-11 20:50:47,638 INFO L132 encePairwiseOnDemand]: 50/62 looper letters, 139 selfloop transitions, 1052 changer transitions 12/1214 dead transitions. [2021-06-11 20:50:47,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 1214 transitions, 39615 flow [2021-06-11 20:50:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 20:50:47,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 20:50:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 345 transitions. [2021-06-11 20:50:47,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6182795698924731 [2021-06-11 20:50:47,639 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 345 transitions. [2021-06-11 20:50:47,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 345 transitions. [2021-06-11 20:50:47,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:47,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 345 transitions. [2021-06-11 20:50:47,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.333333333333336) internal successors, (345), 9 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:47,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:47,640 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:47,641 INFO L185 Difference]: Start difference. First operand has 148 places, 1127 transitions, 35199 flow. Second operand 9 states and 345 transitions. [2021-06-11 20:50:47,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 1214 transitions, 39615 flow [2021-06-11 20:50:48,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 1214 transitions, 39416 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 20:50:48,120 INFO L241 Difference]: Finished difference. Result has 156 places, 1174 transitions, 38937 flow [2021-06-11 20:50:48,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=35014, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1000, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38937, PETRI_PLACES=156, PETRI_TRANSITIONS=1174} [2021-06-11 20:50:48,121 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 117 predicate places. [2021-06-11 20:50:48,121 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:48,121 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 1174 transitions, 38937 flow [2021-06-11 20:50:48,121 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 1174 transitions, 38937 flow [2021-06-11 20:50:48,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 1174 transitions, 38937 flow [2021-06-11 20:50:49,292 INFO L129 PetriNetUnfolder]: 1942/4516 cut-off events. [2021-06-11 20:50:49,292 INFO L130 PetriNetUnfolder]: For 116183/116999 co-relation queries the response was YES. [2021-06-11 20:50:49,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55316 conditions, 4516 events. 1942/4516 cut-off events. For 116183/116999 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 43421 event pairs, 50 based on Foata normal form. 241/4753 useless extension candidates. Maximal degree in co-relation 55043. Up to 1707 conditions per place. [2021-06-11 20:50:49,349 INFO L151 LiptonReduction]: Number of co-enabled transitions 1268 [2021-06-11 20:50:49,612 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:49,612 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:49,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1491 [2021-06-11 20:50:49,612 INFO L480 AbstractCegarLoop]: Abstraction has has 156 places, 1174 transitions, 38937 flow [2021-06-11 20:50:49,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:49,612 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:49,612 INFO L263 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] [2021-06-11 20:50:49,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 20:50:49,613 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:49,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:49,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1140262617, now seen corresponding path program 27 times [2021-06-11 20:50:49,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:49,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268732508] [2021-06-11 20:50:49,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:49,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:49,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:49,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:49,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:49,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:50:49,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:49,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:49,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:49,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:49,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:49,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:49,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268732508] [2021-06-11 20:50:49,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:49,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 20:50:49,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846624476] [2021-06-11 20:50:49,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 20:50:49,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:49,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 20:50:49,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-11 20:50:49,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:49,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 1174 transitions, 38937 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:49,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:49,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:49,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:51,912 INFO L129 PetriNetUnfolder]: 2255/5203 cut-off events. [2021-06-11 20:50:51,912 INFO L130 PetriNetUnfolder]: For 143203/143635 co-relation queries the response was YES. [2021-06-11 20:50:51,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68415 conditions, 5203 events. 2255/5203 cut-off events. For 143203/143635 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 49964 event pairs, 50 based on Foata normal form. 174/5375 useless extension candidates. Maximal degree in co-relation 68130. Up to 1994 conditions per place. [2021-06-11 20:50:51,951 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 137 selfloop transitions, 1119 changer transitions 16/1283 dead transitions. [2021-06-11 20:50:51,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 1283 transitions, 43797 flow [2021-06-11 20:50:51,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 20:50:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 20:50:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 349 transitions. [2021-06-11 20:50:51,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6254480286738351 [2021-06-11 20:50:51,952 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 349 transitions. [2021-06-11 20:50:51,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 349 transitions. [2021-06-11 20:50:51,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:51,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 349 transitions. [2021-06-11 20:50:51,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.77777777777778) internal successors, (349), 9 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:51,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:51,953 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:51,954 INFO L185 Difference]: Start difference. First operand has 156 places, 1174 transitions, 38937 flow. Second operand 9 states and 349 transitions. [2021-06-11 20:50:51,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 1283 transitions, 43797 flow [2021-06-11 20:50:52,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 1283 transitions, 40996 flow, removed 45 selfloop flow, removed 9 redundant places. [2021-06-11 20:50:52,565 INFO L241 Difference]: Finished difference. Result has 156 places, 1237 transitions, 40312 flow [2021-06-11 20:50:52,566 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=36310, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=40312, PETRI_PLACES=156, PETRI_TRANSITIONS=1237} [2021-06-11 20:50:52,566 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 117 predicate places. [2021-06-11 20:50:52,566 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:52,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 1237 transitions, 40312 flow [2021-06-11 20:50:52,566 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 1237 transitions, 40312 flow [2021-06-11 20:50:52,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 1237 transitions, 40312 flow [2021-06-11 20:50:53,798 INFO L129 PetriNetUnfolder]: 1923/4592 cut-off events. [2021-06-11 20:50:53,798 INFO L130 PetriNetUnfolder]: For 111854/112760 co-relation queries the response was YES. [2021-06-11 20:50:53,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56194 conditions, 4592 events. 1923/4592 cut-off events. For 111854/112760 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 45095 event pairs, 59 based on Foata normal form. 232/4818 useless extension candidates. Maximal degree in co-relation 55925. Up to 1748 conditions per place. [2021-06-11 20:50:53,845 INFO L151 LiptonReduction]: Number of co-enabled transitions 1322 [2021-06-11 20:50:54,098 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:54,099 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:54,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1533 [2021-06-11 20:50:54,099 INFO L480 AbstractCegarLoop]: Abstraction has has 156 places, 1237 transitions, 40312 flow [2021-06-11 20:50:54,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:54,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:54,099 INFO L263 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] [2021-06-11 20:50:54,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 20:50:54,099 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:54,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:54,100 INFO L82 PathProgramCache]: Analyzing trace with hash 677723277, now seen corresponding path program 28 times [2021-06-11 20:50:54,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:54,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624686005] [2021-06-11 20:50:54,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:54,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:54,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:54,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:54,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:54,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:54,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:54,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:54,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624686005] [2021-06-11 20:50:54,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:54,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 20:50:54,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265370555] [2021-06-11 20:50:54,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 20:50:54,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:54,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 20:50:54,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-11 20:50:54,136 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:54,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 1237 transitions, 40312 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:54,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:54,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:54,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:50:56,569 INFO L129 PetriNetUnfolder]: 2237/5272 cut-off events. [2021-06-11 20:50:56,569 INFO L130 PetriNetUnfolder]: For 133947/134394 co-relation queries the response was YES. [2021-06-11 20:50:56,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69093 conditions, 5272 events. 2237/5272 cut-off events. For 133947/134394 co-relation queries the response was YES. Maximal size of possible extension queue 761. Compared 51736 event pairs, 180 based on Foata normal form. 179/5449 useless extension candidates. Maximal degree in co-relation 68805. Up to 2184 conditions per place. [2021-06-11 20:50:56,609 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 335 selfloop transitions, 968 changer transitions 39/1353 dead transitions. [2021-06-11 20:50:56,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 1353 transitions, 46313 flow [2021-06-11 20:50:56,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 20:50:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 20:50:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 349 transitions. [2021-06-11 20:50:56,610 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6254480286738351 [2021-06-11 20:50:56,610 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 349 transitions. [2021-06-11 20:50:56,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 349 transitions. [2021-06-11 20:50:56,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:50:56,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 349 transitions. [2021-06-11 20:50:56,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.77777777777778) internal successors, (349), 9 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:56,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:56,611 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:56,611 INFO L185 Difference]: Start difference. First operand has 156 places, 1237 transitions, 40312 flow. Second operand 9 states and 349 transitions. [2021-06-11 20:50:56,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 1353 transitions, 46313 flow [2021-06-11 20:50:57,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 1353 transitions, 45673 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-06-11 20:50:57,232 INFO L241 Difference]: Finished difference. Result has 160 places, 1276 transitions, 42568 flow [2021-06-11 20:50:57,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=39427, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=898, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=42568, PETRI_PLACES=160, PETRI_TRANSITIONS=1276} [2021-06-11 20:50:57,233 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 121 predicate places. [2021-06-11 20:50:57,233 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:50:57,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 1276 transitions, 42568 flow [2021-06-11 20:50:57,241 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 1276 transitions, 42568 flow [2021-06-11 20:50:57,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 1276 transitions, 42568 flow [2021-06-11 20:50:58,405 INFO L129 PetriNetUnfolder]: 1866/4568 cut-off events. [2021-06-11 20:50:58,405 INFO L130 PetriNetUnfolder]: For 110588/111357 co-relation queries the response was YES. [2021-06-11 20:50:58,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56531 conditions, 4568 events. 1866/4568 cut-off events. For 110588/111357 co-relation queries the response was YES. Maximal size of possible extension queue 708. Compared 45632 event pairs, 55 based on Foata normal form. 210/4773 useless extension candidates. Maximal degree in co-relation 56262. Up to 1741 conditions per place. [2021-06-11 20:50:58,457 INFO L151 LiptonReduction]: Number of co-enabled transitions 1328 [2021-06-11 20:50:58,768 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:50:58,768 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:50:58,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1535 [2021-06-11 20:50:58,768 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 1276 transitions, 42568 flow [2021-06-11 20:50:58,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:58,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:50:58,768 INFO L263 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] [2021-06-11 20:50:58,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 20:50:58,769 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:50:58,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:50:58,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1758292397, now seen corresponding path program 29 times [2021-06-11 20:50:58,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:50:58,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426563372] [2021-06-11 20:50:58,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:50:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:50:58,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:58,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:50:58,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:58,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:58,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:58,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:58,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:58,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:58,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:58,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:58,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:58,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:58,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:58,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:58,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:58,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:50:58,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:50:58,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:50:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:50:58,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426563372] [2021-06-11 20:50:58,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:50:58,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 20:50:58,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901376247] [2021-06-11 20:50:58,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 20:50:58,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:50:58,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 20:50:58,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-11 20:50:58,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:50:58,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 1276 transitions, 42568 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:50:58,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:50:58,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:50:58,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:01,287 INFO L129 PetriNetUnfolder]: 2215/5265 cut-off events. [2021-06-11 20:51:01,287 INFO L130 PetriNetUnfolder]: For 138623/139068 co-relation queries the response was YES. [2021-06-11 20:51:01,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69530 conditions, 5265 events. 2215/5265 cut-off events. For 138623/139068 co-relation queries the response was YES. Maximal size of possible extension queue 768. Compared 52008 event pairs, 176 based on Foata normal form. 97/5360 useless extension candidates. Maximal degree in co-relation 69243. Up to 2026 conditions per place. [2021-06-11 20:51:01,326 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 255 selfloop transitions, 1087 changer transitions 7/1360 dead transitions. [2021-06-11 20:51:01,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 1360 transitions, 47524 flow [2021-06-11 20:51:01,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 20:51:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 20:51:01,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 487 transitions. [2021-06-11 20:51:01,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6042183622828784 [2021-06-11 20:51:01,328 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 487 transitions. [2021-06-11 20:51:01,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 487 transitions. [2021-06-11 20:51:01,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:01,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 487 transitions. [2021-06-11 20:51:01,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 37.46153846153846) internal successors, (487), 13 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:01,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:01,329 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:01,329 INFO L185 Difference]: Start difference. First operand has 160 places, 1276 transitions, 42568 flow. Second operand 13 states and 487 transitions. [2021-06-11 20:51:01,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 1360 transitions, 47524 flow [2021-06-11 20:51:01,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 1360 transitions, 47057 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 20:51:01,860 INFO L241 Difference]: Finished difference. Result has 169 places, 1336 transitions, 45998 flow [2021-06-11 20:51:01,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=42151, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=45998, PETRI_PLACES=169, PETRI_TRANSITIONS=1336} [2021-06-11 20:51:01,861 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 130 predicate places. [2021-06-11 20:51:01,861 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:01,861 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 169 places, 1336 transitions, 45998 flow [2021-06-11 20:51:01,861 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 169 places, 1336 transitions, 45998 flow [2021-06-11 20:51:01,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 1336 transitions, 45998 flow [2021-06-11 20:51:03,168 INFO L129 PetriNetUnfolder]: 1889/4638 cut-off events. [2021-06-11 20:51:03,168 INFO L130 PetriNetUnfolder]: For 119845/120813 co-relation queries the response was YES. [2021-06-11 20:51:03,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58944 conditions, 4638 events. 1889/4638 cut-off events. For 119845/120813 co-relation queries the response was YES. Maximal size of possible extension queue 710. Compared 46404 event pairs, 54 based on Foata normal form. 221/4852 useless extension candidates. Maximal degree in co-relation 58668. Up to 1776 conditions per place. [2021-06-11 20:51:03,216 INFO L151 LiptonReduction]: Number of co-enabled transitions 1348 [2021-06-11 20:51:03,538 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:03,538 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:03,538 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1677 [2021-06-11 20:51:03,538 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 1336 transitions, 45998 flow [2021-06-11 20:51:03,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:03,539 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:03,539 INFO L263 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] [2021-06-11 20:51:03,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 20:51:03,539 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:03,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:03,539 INFO L82 PathProgramCache]: Analyzing trace with hash -2144617273, now seen corresponding path program 30 times [2021-06-11 20:51:03,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:03,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852661757] [2021-06-11 20:51:03,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:03,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:03,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:03,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:03,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:03,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:03,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:03,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:03,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:03,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:03,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:03,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:03,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852661757] [2021-06-11 20:51:03,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:03,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 20:51:03,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296194209] [2021-06-11 20:51:03,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 20:51:03,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:03,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 20:51:03,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-11 20:51:03,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:03,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 1336 transitions, 45998 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:03,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:03,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:03,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:05,948 INFO L129 PetriNetUnfolder]: 2190/5306 cut-off events. [2021-06-11 20:51:05,948 INFO L130 PetriNetUnfolder]: For 150120/150574 co-relation queries the response was YES. [2021-06-11 20:51:05,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71648 conditions, 5306 events. 2190/5306 cut-off events. For 150120/150574 co-relation queries the response was YES. Maximal size of possible extension queue 785. Compared 53344 event pairs, 55 based on Foata normal form. 183/5487 useless extension candidates. Maximal degree in co-relation 71360. Up to 2050 conditions per place. [2021-06-11 20:51:05,988 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 156 selfloop transitions, 1246 changer transitions 19/1432 dead transitions. [2021-06-11 20:51:05,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 1432 transitions, 50657 flow [2021-06-11 20:51:05,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 20:51:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 20:51:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 349 transitions. [2021-06-11 20:51:05,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6254480286738351 [2021-06-11 20:51:05,990 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 349 transitions. [2021-06-11 20:51:05,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 349 transitions. [2021-06-11 20:51:05,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:05,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 349 transitions. [2021-06-11 20:51:05,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.77777777777778) internal successors, (349), 9 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:05,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:05,991 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:05,991 INFO L185 Difference]: Start difference. First operand has 169 places, 1336 transitions, 45998 flow. Second operand 9 states and 349 transitions. [2021-06-11 20:51:05,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 1432 transitions, 50657 flow [2021-06-11 20:51:06,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 1432 transitions, 50436 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 20:51:06,635 INFO L241 Difference]: Finished difference. Result has 175 places, 1374 transitions, 49419 flow [2021-06-11 20:51:06,636 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=45694, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1196, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=49419, PETRI_PLACES=175, PETRI_TRANSITIONS=1374} [2021-06-11 20:51:06,636 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 136 predicate places. [2021-06-11 20:51:06,636 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:06,636 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 1374 transitions, 49419 flow [2021-06-11 20:51:06,636 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 1374 transitions, 49419 flow [2021-06-11 20:51:06,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 1374 transitions, 49419 flow [2021-06-11 20:51:07,983 INFO L129 PetriNetUnfolder]: 1842/4659 cut-off events. [2021-06-11 20:51:07,983 INFO L130 PetriNetUnfolder]: For 127230/128289 co-relation queries the response was YES. [2021-06-11 20:51:07,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62833 conditions, 4659 events. 1842/4659 cut-off events. For 127230/128289 co-relation queries the response was YES. Maximal size of possible extension queue 723. Compared 47434 event pairs, 61 based on Foata normal form. 225/4879 useless extension candidates. Maximal degree in co-relation 62548. Up to 1797 conditions per place. [2021-06-11 20:51:08,032 INFO L151 LiptonReduction]: Number of co-enabled transitions 1376 [2021-06-11 20:51:08,362 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:08,362 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:08,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1726 [2021-06-11 20:51:08,363 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 1374 transitions, 49419 flow [2021-06-11 20:51:08,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:08,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:08,363 INFO L263 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] [2021-06-11 20:51:08,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 20:51:08,363 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:08,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:08,363 INFO L82 PathProgramCache]: Analyzing trace with hash -286947499, now seen corresponding path program 31 times [2021-06-11 20:51:08,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:08,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466971489] [2021-06-11 20:51:08,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:08,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:08,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:08,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:08,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:08,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:08,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:08,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:08,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:08,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:08,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:08,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:08,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466971489] [2021-06-11 20:51:08,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:08,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 20:51:08,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791255540] [2021-06-11 20:51:08,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 20:51:08,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:08,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 20:51:08,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-11 20:51:08,398 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:08,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 1374 transitions, 49419 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:08,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:08,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:08,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:11,122 INFO L129 PetriNetUnfolder]: 2174/5349 cut-off events. [2021-06-11 20:51:11,122 INFO L130 PetriNetUnfolder]: For 157919/158854 co-relation queries the response was YES. [2021-06-11 20:51:11,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75853 conditions, 5349 events. 2174/5349 cut-off events. For 157919/158854 co-relation queries the response was YES. Maximal size of possible extension queue 789. Compared 54264 event pairs, 6 based on Foata normal form. 161/5507 useless extension candidates. Maximal degree in co-relation 75539. Up to 2058 conditions per place. [2021-06-11 20:51:11,162 INFO L132 encePairwiseOnDemand]: 50/62 looper letters, 84 selfloop transitions, 1393 changer transitions 19/1507 dead transitions. [2021-06-11 20:51:11,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 1507 transitions, 54863 flow [2021-06-11 20:51:11,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 20:51:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 20:51:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 346 transitions. [2021-06-11 20:51:11,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6200716845878136 [2021-06-11 20:51:11,163 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 346 transitions. [2021-06-11 20:51:11,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 346 transitions. [2021-06-11 20:51:11,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:11,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 346 transitions. [2021-06-11 20:51:11,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.44444444444444) internal successors, (346), 9 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:11,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:11,165 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:11,165 INFO L185 Difference]: Start difference. First operand has 175 places, 1374 transitions, 49419 flow. Second operand 9 states and 346 transitions. [2021-06-11 20:51:11,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 1507 transitions, 54863 flow [2021-06-11 20:51:11,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 1507 transitions, 54359 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-06-11 20:51:11,790 INFO L241 Difference]: Finished difference. Result has 182 places, 1476 transitions, 54907 flow [2021-06-11 20:51:11,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=48934, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1302, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=54907, PETRI_PLACES=182, PETRI_TRANSITIONS=1476} [2021-06-11 20:51:11,791 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 143 predicate places. [2021-06-11 20:51:11,791 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:11,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 1476 transitions, 54907 flow [2021-06-11 20:51:11,791 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 1476 transitions, 54907 flow [2021-06-11 20:51:11,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 1476 transitions, 54907 flow [2021-06-11 20:51:13,365 INFO L129 PetriNetUnfolder]: 1844/4724 cut-off events. [2021-06-11 20:51:13,365 INFO L130 PetriNetUnfolder]: For 145048/146109 co-relation queries the response was YES. [2021-06-11 20:51:13,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68075 conditions, 4724 events. 1844/4724 cut-off events. For 145048/146109 co-relation queries the response was YES. Maximal size of possible extension queue 721. Compared 48650 event pairs, 17 based on Foata normal form. 199/4901 useless extension candidates. Maximal degree in co-relation 67758. Up to 1811 conditions per place. [2021-06-11 20:51:13,418 INFO L151 LiptonReduction]: Number of co-enabled transitions 1548 [2021-06-11 20:51:13,886 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:13,886 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:13,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2096 [2021-06-11 20:51:13,887 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 1476 transitions, 54907 flow [2021-06-11 20:51:13,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:13,887 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:13,887 INFO L263 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] [2021-06-11 20:51:13,887 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-11 20:51:13,887 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:13,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:13,888 INFO L82 PathProgramCache]: Analyzing trace with hash -2130087561, now seen corresponding path program 32 times [2021-06-11 20:51:13,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:13,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035948641] [2021-06-11 20:51:13,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:13,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:13,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:13,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:13,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:13,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:13,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:13,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:13,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:13,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:13,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:13,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:13,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035948641] [2021-06-11 20:51:13,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:13,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 20:51:13,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123864686] [2021-06-11 20:51:13,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 20:51:13,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:13,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 20:51:13,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-11 20:51:13,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:13,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 1476 transitions, 54907 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:13,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:13,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:13,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:16,970 INFO L129 PetriNetUnfolder]: 2177/5384 cut-off events. [2021-06-11 20:51:16,970 INFO L130 PetriNetUnfolder]: For 182622/183533 co-relation queries the response was YES. [2021-06-11 20:51:16,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81932 conditions, 5384 events. 2177/5384 cut-off events. For 182622/183533 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 54871 event pairs, 6 based on Foata normal form. 192/5574 useless extension candidates. Maximal degree in co-relation 81615. Up to 2070 conditions per place. [2021-06-11 20:51:17,017 INFO L132 encePairwiseOnDemand]: 50/62 looper letters, 89 selfloop transitions, 1369 changer transitions 75/1544 dead transitions. [2021-06-11 20:51:17,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 1544 transitions, 59476 flow [2021-06-11 20:51:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 20:51:17,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 20:51:17,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 497 transitions. [2021-06-11 20:51:17,018 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6166253101736973 [2021-06-11 20:51:17,019 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 497 transitions. [2021-06-11 20:51:17,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 497 transitions. [2021-06-11 20:51:17,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:17,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 497 transitions. [2021-06-11 20:51:17,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.23076923076923) internal successors, (497), 13 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:17,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:17,020 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:17,020 INFO L185 Difference]: Start difference. First operand has 182 places, 1476 transitions, 54907 flow. Second operand 13 states and 497 transitions. [2021-06-11 20:51:17,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 1544 transitions, 59476 flow [2021-06-11 20:51:17,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 1544 transitions, 57687 flow, removed 148 selfloop flow, removed 4 redundant places. [2021-06-11 20:51:17,973 INFO L241 Difference]: Finished difference. Result has 192 places, 1452 transitions, 55650 flow [2021-06-11 20:51:17,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=53160, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1369, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=55650, PETRI_PLACES=192, PETRI_TRANSITIONS=1452} [2021-06-11 20:51:17,974 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 153 predicate places. [2021-06-11 20:51:17,974 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:17,974 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 192 places, 1452 transitions, 55650 flow [2021-06-11 20:51:17,974 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 192 places, 1452 transitions, 55650 flow [2021-06-11 20:51:17,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 1452 transitions, 55650 flow [2021-06-11 20:51:19,460 INFO L129 PetriNetUnfolder]: 1790/4635 cut-off events. [2021-06-11 20:51:19,460 INFO L130 PetriNetUnfolder]: For 166456/167538 co-relation queries the response was YES. [2021-06-11 20:51:19,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68548 conditions, 4635 events. 1790/4635 cut-off events. For 166456/167538 co-relation queries the response was YES. Maximal size of possible extension queue 744. Compared 48434 event pairs, 14 based on Foata normal form. 280/4894 useless extension candidates. Maximal degree in co-relation 68248. Up to 1775 conditions per place. [2021-06-11 20:51:19,512 INFO L151 LiptonReduction]: Number of co-enabled transitions 1548 [2021-06-11 20:51:19,913 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:19,914 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:19,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1940 [2021-06-11 20:51:19,914 INFO L480 AbstractCegarLoop]: Abstraction has has 192 places, 1452 transitions, 55650 flow [2021-06-11 20:51:19,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:19,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:19,914 INFO L263 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] [2021-06-11 20:51:19,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-11 20:51:19,915 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:19,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:19,915 INFO L82 PathProgramCache]: Analyzing trace with hash 434034955, now seen corresponding path program 33 times [2021-06-11 20:51:19,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:19,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315340280] [2021-06-11 20:51:19,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:19,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:19,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:19,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:19,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:19,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:19,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:19,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:19,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:19,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:19,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:19,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:19,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:19,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315340280] [2021-06-11 20:51:19,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:19,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 20:51:19,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744137526] [2021-06-11 20:51:19,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 20:51:19,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:19,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 20:51:19,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-11 20:51:19,954 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:19,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 1452 transitions, 55650 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:19,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:19,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:19,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:22,762 INFO L129 PetriNetUnfolder]: 2105/5323 cut-off events. [2021-06-11 20:51:22,762 INFO L130 PetriNetUnfolder]: For 196268/196765 co-relation queries the response was YES. [2021-06-11 20:51:22,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82938 conditions, 5323 events. 2105/5323 cut-off events. For 196268/196765 co-relation queries the response was YES. Maximal size of possible extension queue 791. Compared 54812 event pairs, 6 based on Foata normal form. 118/5439 useless extension candidates. Maximal degree in co-relation 82607. Up to 2029 conditions per place. [2021-06-11 20:51:22,807 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 97 selfloop transitions, 1393 changer transitions 24/1525 dead transitions. [2021-06-11 20:51:22,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 1525 transitions, 60231 flow [2021-06-11 20:51:22,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 20:51:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 20:51:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 502 transitions. [2021-06-11 20:51:22,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6228287841191067 [2021-06-11 20:51:22,809 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 502 transitions. [2021-06-11 20:51:22,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 502 transitions. [2021-06-11 20:51:22,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:22,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 502 transitions. [2021-06-11 20:51:22,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.61538461538461) internal successors, (502), 13 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:22,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:22,810 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:22,810 INFO L185 Difference]: Start difference. First operand has 192 places, 1452 transitions, 55650 flow. Second operand 13 states and 502 transitions. [2021-06-11 20:51:22,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 1525 transitions, 60231 flow [2021-06-11 20:51:23,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 1525 transitions, 58741 flow, removed 25 selfloop flow, removed 7 redundant places. [2021-06-11 20:51:23,739 INFO L241 Difference]: Finished difference. Result has 197 places, 1472 transitions, 57139 flow [2021-06-11 20:51:23,740 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=54205, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1352, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=57139, PETRI_PLACES=197, PETRI_TRANSITIONS=1472} [2021-06-11 20:51:23,740 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 158 predicate places. [2021-06-11 20:51:23,740 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:23,740 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 1472 transitions, 57139 flow [2021-06-11 20:51:23,740 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 1472 transitions, 57139 flow [2021-06-11 20:51:23,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 1472 transitions, 57139 flow [2021-06-11 20:51:25,181 INFO L129 PetriNetUnfolder]: 1758/4632 cut-off events. [2021-06-11 20:51:25,181 INFO L130 PetriNetUnfolder]: For 166348/167455 co-relation queries the response was YES. [2021-06-11 20:51:25,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68760 conditions, 4632 events. 1758/4632 cut-off events. For 166348/167455 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 48523 event pairs, 19 based on Foata normal form. 261/4872 useless extension candidates. Maximal degree in co-relation 68438. Up to 1755 conditions per place. [2021-06-11 20:51:25,231 INFO L151 LiptonReduction]: Number of co-enabled transitions 1550 [2021-06-11 20:51:25,609 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:25,609 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:25,609 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1869 [2021-06-11 20:51:25,610 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 1472 transitions, 57139 flow [2021-06-11 20:51:25,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:25,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:25,610 INFO L263 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] [2021-06-11 20:51:25,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-11 20:51:25,610 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:25,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:25,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1636785585, now seen corresponding path program 34 times [2021-06-11 20:51:25,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:25,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015482861] [2021-06-11 20:51:25,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:25,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:25,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:25,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:25,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:25,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:25,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:25,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:25,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:25,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:25,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:25,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:25,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015482861] [2021-06-11 20:51:25,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:25,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:51:25,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84241711] [2021-06-11 20:51:25,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:51:25,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:25,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:51:25,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:51:25,647 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:25,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 1472 transitions, 57139 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:25,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:25,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:25,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:28,477 INFO L129 PetriNetUnfolder]: 2003/5166 cut-off events. [2021-06-11 20:51:28,477 INFO L130 PetriNetUnfolder]: For 197002/197487 co-relation queries the response was YES. [2021-06-11 20:51:28,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81530 conditions, 5166 events. 2003/5166 cut-off events. For 197002/197487 co-relation queries the response was YES. Maximal size of possible extension queue 782. Compared 53550 event pairs, 13 based on Foata normal form. 196/5359 useless extension candidates. Maximal degree in co-relation 81211. Up to 1984 conditions per place. [2021-06-11 20:51:28,517 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 186 selfloop transitions, 1296 changer transitions 27/1520 dead transitions. [2021-06-11 20:51:28,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 1520 transitions, 61415 flow [2021-06-11 20:51:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 20:51:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 20:51:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 269 transitions. [2021-06-11 20:51:28,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.619815668202765 [2021-06-11 20:51:28,518 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 269 transitions. [2021-06-11 20:51:28,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 269 transitions. [2021-06-11 20:51:28,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:28,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 269 transitions. [2021-06-11 20:51:28,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 38.42857142857143) internal successors, (269), 7 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:28,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:28,519 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:28,519 INFO L185 Difference]: Start difference. First operand has 197 places, 1472 transitions, 57139 flow. Second operand 7 states and 269 transitions. [2021-06-11 20:51:28,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 1520 transitions, 61415 flow [2021-06-11 20:51:29,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 1520 transitions, 61257 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 20:51:29,306 INFO L241 Difference]: Finished difference. Result has 200 places, 1452 transitions, 58998 flow [2021-06-11 20:51:29,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=56484, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=58998, PETRI_PLACES=200, PETRI_TRANSITIONS=1452} [2021-06-11 20:51:29,307 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 161 predicate places. [2021-06-11 20:51:29,307 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:29,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 1452 transitions, 58998 flow [2021-06-11 20:51:29,307 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 1452 transitions, 58998 flow [2021-06-11 20:51:29,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 1452 transitions, 58998 flow [2021-06-11 20:51:30,835 INFO L129 PetriNetUnfolder]: 1608/4431 cut-off events. [2021-06-11 20:51:30,835 INFO L130 PetriNetUnfolder]: For 164280/165217 co-relation queries the response was YES. [2021-06-11 20:51:30,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68974 conditions, 4431 events. 1608/4431 cut-off events. For 164280/165217 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 47783 event pairs, 19 based on Foata normal form. 191/4601 useless extension candidates. Maximal degree in co-relation 68683. Up to 1727 conditions per place. [2021-06-11 20:51:30,888 INFO L151 LiptonReduction]: Number of co-enabled transitions 1502 [2021-06-11 20:51:31,297 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:31,297 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:31,297 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1990 [2021-06-11 20:51:31,297 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 1452 transitions, 58998 flow [2021-06-11 20:51:31,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:31,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:31,297 INFO L263 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] [2021-06-11 20:51:31,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-11 20:51:31,298 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:31,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:31,298 INFO L82 PathProgramCache]: Analyzing trace with hash -684474755, now seen corresponding path program 35 times [2021-06-11 20:51:31,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:31,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506268846] [2021-06-11 20:51:31,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:31,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:31,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:31,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:31,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:31,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:31,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:31,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:31,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:31,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:31,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:31,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:31,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506268846] [2021-06-11 20:51:31,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:31,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-11 20:51:31,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791297078] [2021-06-11 20:51:31,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 20:51:31,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:31,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 20:51:31,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 20:51:31,335 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:31,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 1452 transitions, 58998 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:31,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:31,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:31,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:34,350 INFO L129 PetriNetUnfolder]: 1911/5083 cut-off events. [2021-06-11 20:51:34,350 INFO L130 PetriNetUnfolder]: For 209303/209783 co-relation queries the response was YES. [2021-06-11 20:51:34,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83038 conditions, 5083 events. 1911/5083 cut-off events. For 209303/209783 co-relation queries the response was YES. Maximal size of possible extension queue 780. Compared 53579 event pairs, 150 based on Foata normal form. 141/5221 useless extension candidates. Maximal degree in co-relation 82721. Up to 2087 conditions per place. [2021-06-11 20:51:34,394 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 467 selfloop transitions, 1002 changer transitions 32/1512 dead transitions. [2021-06-11 20:51:34,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 1512 transitions, 63511 flow [2021-06-11 20:51:34,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 20:51:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 20:51:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 462 transitions. [2021-06-11 20:51:34,395 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6209677419354839 [2021-06-11 20:51:34,395 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 462 transitions. [2021-06-11 20:51:34,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 462 transitions. [2021-06-11 20:51:34,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:34,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 462 transitions. [2021-06-11 20:51:34,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 38.5) internal successors, (462), 12 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:34,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 62.0) internal successors, (806), 13 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:34,396 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 62.0) internal successors, (806), 13 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:34,396 INFO L185 Difference]: Start difference. First operand has 200 places, 1452 transitions, 58998 flow. Second operand 12 states and 462 transitions. [2021-06-11 20:51:34,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 1512 transitions, 63511 flow [2021-06-11 20:51:35,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 1512 transitions, 61735 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 20:51:35,322 INFO L241 Difference]: Finished difference. Result has 207 places, 1448 transitions, 58363 flow [2021-06-11 20:51:35,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=57278, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=974, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=58363, PETRI_PLACES=207, PETRI_TRANSITIONS=1448} [2021-06-11 20:51:35,323 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 168 predicate places. [2021-06-11 20:51:35,323 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:35,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 1448 transitions, 58363 flow [2021-06-11 20:51:35,323 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 1448 transitions, 58363 flow [2021-06-11 20:51:35,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 1448 transitions, 58363 flow [2021-06-11 20:51:36,821 INFO L129 PetriNetUnfolder]: 1555/4353 cut-off events. [2021-06-11 20:51:36,821 INFO L130 PetriNetUnfolder]: For 161257/161932 co-relation queries the response was YES. [2021-06-11 20:51:36,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66367 conditions, 4353 events. 1555/4353 cut-off events. For 161257/161932 co-relation queries the response was YES. Maximal size of possible extension queue 710. Compared 46774 event pairs, 16 based on Foata normal form. 195/4528 useless extension candidates. Maximal degree in co-relation 66046. Up to 1690 conditions per place. [2021-06-11 20:51:36,874 INFO L151 LiptonReduction]: Number of co-enabled transitions 1480 [2021-06-11 20:51:37,254 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:37,254 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:37,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1931 [2021-06-11 20:51:37,255 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 1448 transitions, 58363 flow [2021-06-11 20:51:37,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:37,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:37,255 INFO L263 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] [2021-06-11 20:51:37,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-11 20:51:37,255 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:37,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:37,255 INFO L82 PathProgramCache]: Analyzing trace with hash 2020494999, now seen corresponding path program 36 times [2021-06-11 20:51:37,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:37,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81288704] [2021-06-11 20:51:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:37,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:37,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:37,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:37,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:37,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:37,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:37,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:37,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:37,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:37,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:37,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81288704] [2021-06-11 20:51:37,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:37,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 20:51:37,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548307222] [2021-06-11 20:51:37,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 20:51:37,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:37,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 20:51:37,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-11 20:51:37,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:37,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 1448 transitions, 58363 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:37,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:37,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:37,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:40,086 INFO L129 PetriNetUnfolder]: 1865/4955 cut-off events. [2021-06-11 20:51:40,086 INFO L130 PetriNetUnfolder]: For 199993/200471 co-relation queries the response was YES. [2021-06-11 20:51:40,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79963 conditions, 4955 events. 1865/4955 cut-off events. For 199993/200471 co-relation queries the response was YES. Maximal size of possible extension queue 746. Compared 51917 event pairs, 143 based on Foata normal form. 122/5074 useless extension candidates. Maximal degree in co-relation 79643. Up to 1917 conditions per place. [2021-06-11 20:51:40,126 INFO L132 encePairwiseOnDemand]: 50/62 looper letters, 374 selfloop transitions, 1001 changer transitions 82/1468 dead transitions. [2021-06-11 20:51:40,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 1468 transitions, 61657 flow [2021-06-11 20:51:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 20:51:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 20:51:40,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 627 transitions. [2021-06-11 20:51:40,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.594876660341556 [2021-06-11 20:51:40,128 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 627 transitions. [2021-06-11 20:51:40,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 627 transitions. [2021-06-11 20:51:40,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:40,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 627 transitions. [2021-06-11 20:51:40,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 36.88235294117647) internal successors, (627), 17 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:40,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:40,129 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:40,129 INFO L185 Difference]: Start difference. First operand has 207 places, 1448 transitions, 58363 flow. Second operand 17 states and 627 transitions. [2021-06-11 20:51:40,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 1468 transitions, 61657 flow [2021-06-11 20:51:40,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 1468 transitions, 60240 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-06-11 20:51:40,957 INFO L241 Difference]: Finished difference. Result has 218 places, 1375 transitions, 56038 flow [2021-06-11 20:51:40,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=56960, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1001, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=56038, PETRI_PLACES=218, PETRI_TRANSITIONS=1375} [2021-06-11 20:51:40,958 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 179 predicate places. [2021-06-11 20:51:40,958 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:40,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 1375 transitions, 56038 flow [2021-06-11 20:51:40,958 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 1375 transitions, 56038 flow [2021-06-11 20:51:40,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 212 places, 1375 transitions, 56038 flow [2021-06-11 20:51:42,267 INFO L129 PetriNetUnfolder]: 1521/4242 cut-off events. [2021-06-11 20:51:42,268 INFO L130 PetriNetUnfolder]: For 149666/150752 co-relation queries the response was YES. [2021-06-11 20:51:42,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65726 conditions, 4242 events. 1521/4242 cut-off events. For 149666/150752 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 45272 event pairs, 15 based on Foata normal form. 194/4412 useless extension candidates. Maximal degree in co-relation 65405. Up to 1658 conditions per place. [2021-06-11 20:51:42,315 INFO L151 LiptonReduction]: Number of co-enabled transitions 1480 [2021-06-11 20:51:42,612 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:42,612 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:42,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1654 [2021-06-11 20:51:42,612 INFO L480 AbstractCegarLoop]: Abstraction has has 212 places, 1375 transitions, 56038 flow [2021-06-11 20:51:42,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:42,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:42,613 INFO L263 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] [2021-06-11 20:51:42,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-11 20:51:42,613 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:42,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:42,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1426815125, now seen corresponding path program 37 times [2021-06-11 20:51:42,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:42,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262513874] [2021-06-11 20:51:42,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:42,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:42,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:42,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:42,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:42,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:42,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:42,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:42,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:42,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:42,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:42,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:42,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262513874] [2021-06-11 20:51:42,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:42,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 20:51:42,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775862238] [2021-06-11 20:51:42,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 20:51:42,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:42,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 20:51:42,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-11 20:51:42,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:42,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 1375 transitions, 56038 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:42,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:42,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:42,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:45,338 INFO L129 PetriNetUnfolder]: 1826/4866 cut-off events. [2021-06-11 20:51:45,338 INFO L130 PetriNetUnfolder]: For 195367/197061 co-relation queries the response was YES. [2021-06-11 20:51:45,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79830 conditions, 4866 events. 1826/4866 cut-off events. For 195367/197061 co-relation queries the response was YES. Maximal size of possible extension queue 736. Compared 50942 event pairs, 6 based on Foata normal form. 171/5030 useless extension candidates. Maximal degree in co-relation 79507. Up to 1897 conditions per place. [2021-06-11 20:51:45,376 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 84 selfloop transitions, 1322 changer transitions 26/1443 dead transitions. [2021-06-11 20:51:45,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 1443 transitions, 60433 flow [2021-06-11 20:51:45,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 20:51:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 20:51:45,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 501 transitions. [2021-06-11 20:51:45,377 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6215880893300249 [2021-06-11 20:51:45,377 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 501 transitions. [2021-06-11 20:51:45,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 501 transitions. [2021-06-11 20:51:45,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:45,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 501 transitions. [2021-06-11 20:51:45,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.53846153846154) internal successors, (501), 13 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:45,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:45,379 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:45,379 INFO L185 Difference]: Start difference. First operand has 212 places, 1375 transitions, 56038 flow. Second operand 13 states and 501 transitions. [2021-06-11 20:51:45,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 1443 transitions, 60433 flow [2021-06-11 20:51:46,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 1443 transitions, 57529 flow, removed 33 selfloop flow, removed 14 redundant places. [2021-06-11 20:51:46,057 INFO L241 Difference]: Finished difference. Result has 210 places, 1383 transitions, 55677 flow [2021-06-11 20:51:46,058 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=53164, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=55677, PETRI_PLACES=210, PETRI_TRANSITIONS=1383} [2021-06-11 20:51:46,059 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 171 predicate places. [2021-06-11 20:51:46,059 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:46,059 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 1383 transitions, 55677 flow [2021-06-11 20:51:46,059 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 1383 transitions, 55677 flow [2021-06-11 20:51:46,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 1383 transitions, 55677 flow [2021-06-11 20:51:47,427 INFO L129 PetriNetUnfolder]: 1486/4207 cut-off events. [2021-06-11 20:51:47,427 INFO L130 PetriNetUnfolder]: For 150495/151454 co-relation queries the response was YES. [2021-06-11 20:51:47,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64860 conditions, 4207 events. 1486/4207 cut-off events. For 150495/151454 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 44974 event pairs, 18 based on Foata normal form. 196/4382 useless extension candidates. Maximal degree in co-relation 64524. Up to 1633 conditions per place. [2021-06-11 20:51:47,480 INFO L151 LiptonReduction]: Number of co-enabled transitions 1516 [2021-06-11 20:51:47,831 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:47,831 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:47,831 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1772 [2021-06-11 20:51:47,831 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 1383 transitions, 55677 flow [2021-06-11 20:51:47,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:47,832 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:47,832 INFO L263 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] [2021-06-11 20:51:47,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-11 20:51:47,832 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:47,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:47,832 INFO L82 PathProgramCache]: Analyzing trace with hash -814187979, now seen corresponding path program 38 times [2021-06-11 20:51:47,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:47,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121460041] [2021-06-11 20:51:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:47,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:47,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:47,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:47,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:47,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:47,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:47,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:47,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:47,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:47,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:47,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:47,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:47,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:47,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:47,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:47,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:47,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:47,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:47,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121460041] [2021-06-11 20:51:47,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:47,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-11 20:51:47,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704549272] [2021-06-11 20:51:47,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 20:51:47,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:47,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 20:51:47,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-11 20:51:47,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:47,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 1383 transitions, 55677 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:47,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:47,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:47,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:50,309 INFO L129 PetriNetUnfolder]: 1821/4872 cut-off events. [2021-06-11 20:51:50,310 INFO L130 PetriNetUnfolder]: For 194560/195554 co-relation queries the response was YES. [2021-06-11 20:51:50,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79586 conditions, 4872 events. 1821/4872 cut-off events. For 194560/195554 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 51079 event pairs, 6 based on Foata normal form. 165/5033 useless extension candidates. Maximal degree in co-relation 79261. Up to 1891 conditions per place. [2021-06-11 20:51:50,352 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 70 selfloop transitions, 1368 changer transitions 7/1456 dead transitions. [2021-06-11 20:51:50,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 1456 transitions, 60771 flow [2021-06-11 20:51:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 20:51:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 20:51:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 384 transitions. [2021-06-11 20:51:50,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6193548387096774 [2021-06-11 20:51:50,353 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 384 transitions. [2021-06-11 20:51:50,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 384 transitions. [2021-06-11 20:51:50,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:50,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 384 transitions. [2021-06-11 20:51:50,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 38.4) internal successors, (384), 10 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:50,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:50,354 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:50,354 INFO L185 Difference]: Start difference. First operand has 210 places, 1383 transitions, 55677 flow. Second operand 10 states and 384 transitions. [2021-06-11 20:51:50,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 1456 transitions, 60771 flow [2021-06-11 20:51:51,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 1456 transitions, 60607 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 20:51:51,201 INFO L241 Difference]: Finished difference. Result has 216 places, 1425 transitions, 59687 flow [2021-06-11 20:51:51,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=55513, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=59687, PETRI_PLACES=216, PETRI_TRANSITIONS=1425} [2021-06-11 20:51:51,202 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 177 predicate places. [2021-06-11 20:51:51,203 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:51,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 216 places, 1425 transitions, 59687 flow [2021-06-11 20:51:51,203 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 216 places, 1425 transitions, 59687 flow [2021-06-11 20:51:51,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 1425 transitions, 59687 flow [2021-06-11 20:51:52,643 INFO L129 PetriNetUnfolder]: 1513/4244 cut-off events. [2021-06-11 20:51:52,643 INFO L130 PetriNetUnfolder]: For 157697/158267 co-relation queries the response was YES. [2021-06-11 20:51:52,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68845 conditions, 4244 events. 1513/4244 cut-off events. For 157697/158267 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 45545 event pairs, 24 based on Foata normal form. 190/4411 useless extension candidates. Maximal degree in co-relation 68542. Up to 1664 conditions per place. [2021-06-11 20:51:52,692 INFO L151 LiptonReduction]: Number of co-enabled transitions 1528 [2021-06-11 20:51:53,043 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:53,044 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:53,044 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1841 [2021-06-11 20:51:53,051 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 1425 transitions, 59687 flow [2021-06-11 20:51:53,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:53,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:53,051 INFO L263 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] [2021-06-11 20:51:53,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-11 20:51:53,051 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:53,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:53,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1125135861, now seen corresponding path program 39 times [2021-06-11 20:51:53,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:53,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46661691] [2021-06-11 20:51:53,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:53,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:53,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:53,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:51:53,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:53,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:53,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:53,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:53,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:53,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:53,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:53,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:53,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46661691] [2021-06-11 20:51:53,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:53,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 20:51:53,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544831997] [2021-06-11 20:51:53,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 20:51:53,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:53,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 20:51:53,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-11 20:51:53,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:53,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 1425 transitions, 59687 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:53,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:53,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:53,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:51:56,215 INFO L129 PetriNetUnfolder]: 1715/4846 cut-off events. [2021-06-11 20:51:56,215 INFO L130 PetriNetUnfolder]: For 209747/210245 co-relation queries the response was YES. [2021-06-11 20:51:56,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82819 conditions, 4846 events. 1715/4846 cut-off events. For 209747/210245 co-relation queries the response was YES. Maximal size of possible extension queue 764. Compared 52643 event pairs, 6 based on Foata normal form. 305/5148 useless extension candidates. Maximal degree in co-relation 82499. Up to 1869 conditions per place. [2021-06-11 20:51:56,255 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 83 selfloop transitions, 1247 changer transitions 181/1522 dead transitions. [2021-06-11 20:51:56,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 1522 transitions, 65458 flow [2021-06-11 20:51:56,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 20:51:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 20:51:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 500 transitions. [2021-06-11 20:51:56,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6203473945409429 [2021-06-11 20:51:56,257 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 500 transitions. [2021-06-11 20:51:56,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 500 transitions. [2021-06-11 20:51:56,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:51:56,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 500 transitions. [2021-06-11 20:51:56,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.46153846153846) internal successors, (500), 13 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:56,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:56,258 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:56,258 INFO L185 Difference]: Start difference. First operand has 216 places, 1425 transitions, 59687 flow. Second operand 13 states and 500 transitions. [2021-06-11 20:51:56,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 1522 transitions, 65458 flow [2021-06-11 20:51:57,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 1522 transitions, 64241 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 20:51:57,072 INFO L241 Difference]: Finished difference. Result has 223 places, 1302 transitions, 54469 flow [2021-06-11 20:51:57,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=57758, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=54469, PETRI_PLACES=223, PETRI_TRANSITIONS=1302} [2021-06-11 20:51:57,073 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 184 predicate places. [2021-06-11 20:51:57,073 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:51:57,073 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 1302 transitions, 54469 flow [2021-06-11 20:51:57,073 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 1302 transitions, 54469 flow [2021-06-11 20:51:57,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 1302 transitions, 54469 flow [2021-06-11 20:51:58,137 INFO L129 PetriNetUnfolder]: 1069/3135 cut-off events. [2021-06-11 20:51:58,137 INFO L130 PetriNetUnfolder]: For 138799/139615 co-relation queries the response was YES. [2021-06-11 20:51:58,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49949 conditions, 3135 events. 1069/3135 cut-off events. For 138799/139615 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 32213 event pairs, 13 based on Foata normal form. 117/3236 useless extension candidates. Maximal degree in co-relation 49638. Up to 1155 conditions per place. [2021-06-11 20:51:58,175 INFO L151 LiptonReduction]: Number of co-enabled transitions 1346 [2021-06-11 20:51:58,486 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:51:58,486 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:51:58,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1414 [2021-06-11 20:51:58,487 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 1302 transitions, 54469 flow [2021-06-11 20:51:58,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:58,487 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:51:58,487 INFO L263 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] [2021-06-11 20:51:58,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-06-11 20:51:58,487 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:51:58,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:51:58,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1627095673, now seen corresponding path program 40 times [2021-06-11 20:51:58,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:51:58,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103262322] [2021-06-11 20:51:58,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:51:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:51:58,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:51:58,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:58,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:58,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:58,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:58,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:58,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:58,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:58,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:51:58,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:51:58,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:51:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:51:58,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103262322] [2021-06-11 20:51:58,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:51:58,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 20:51:58,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233559843] [2021-06-11 20:51:58,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 20:51:58,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:51:58,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 20:51:58,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-11 20:51:58,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:51:58,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 1302 transitions, 54469 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:51:58,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:51:58,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:51:58,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:00,462 INFO L129 PetriNetUnfolder]: 1282/3576 cut-off events. [2021-06-11 20:52:00,462 INFO L130 PetriNetUnfolder]: For 164296/164589 co-relation queries the response was YES. [2021-06-11 20:52:00,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60233 conditions, 3576 events. 1282/3576 cut-off events. For 164296/164589 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 35887 event pairs, 92 based on Foata normal form. 44/3617 useless extension candidates. Maximal degree in co-relation 59909. Up to 1310 conditions per place. [2021-06-11 20:52:00,492 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 393 selfloop transitions, 902 changer transitions 26/1332 dead transitions. [2021-06-11 20:52:00,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 1332 transitions, 57765 flow [2021-06-11 20:52:00,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 20:52:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 20:52:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 497 transitions. [2021-06-11 20:52:00,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6166253101736973 [2021-06-11 20:52:00,494 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 497 transitions. [2021-06-11 20:52:00,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 497 transitions. [2021-06-11 20:52:00,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:00,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 497 transitions. [2021-06-11 20:52:00,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 38.23076923076923) internal successors, (497), 13 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:00,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:00,495 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 62.0) internal successors, (868), 14 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:00,495 INFO L185 Difference]: Start difference. First operand has 223 places, 1302 transitions, 54469 flow. Second operand 13 states and 497 transitions. [2021-06-11 20:52:00,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 1332 transitions, 57765 flow [2021-06-11 20:52:01,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 1332 transitions, 55852 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-06-11 20:52:01,091 INFO L241 Difference]: Finished difference. Result has 227 places, 1287 transitions, 53224 flow [2021-06-11 20:52:01,092 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52550, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=890, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=53224, PETRI_PLACES=227, PETRI_TRANSITIONS=1287} [2021-06-11 20:52:01,092 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 188 predicate places. [2021-06-11 20:52:01,092 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:01,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 1287 transitions, 53224 flow [2021-06-11 20:52:01,092 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 1287 transitions, 53224 flow [2021-06-11 20:52:01,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 227 places, 1287 transitions, 53224 flow [2021-06-11 20:52:02,029 INFO L129 PetriNetUnfolder]: 1043/3123 cut-off events. [2021-06-11 20:52:02,029 INFO L130 PetriNetUnfolder]: For 134887/135909 co-relation queries the response was YES. [2021-06-11 20:52:02,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49112 conditions, 3123 events. 1043/3123 cut-off events. For 134887/135909 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 32512 event pairs, 13 based on Foata normal form. 132/3239 useless extension candidates. Maximal degree in co-relation 48773. Up to 1144 conditions per place. [2021-06-11 20:52:02,063 INFO L151 LiptonReduction]: Number of co-enabled transitions 1368 [2021-06-11 20:52:02,372 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:02,373 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:02,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1281 [2021-06-11 20:52:02,373 INFO L480 AbstractCegarLoop]: Abstraction has has 227 places, 1287 transitions, 53224 flow [2021-06-11 20:52:02,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:02,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:52:02,373 INFO L263 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] [2021-06-11 20:52:02,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-06-11 20:52:02,373 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:52:02,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:52:02,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1556477219, now seen corresponding path program 41 times [2021-06-11 20:52:02,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:52:02,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006361460] [2021-06-11 20:52:02,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:52:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:52:02,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:52:02,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:02,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:02,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:02,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:02,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:02,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:02,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:02,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:02,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:02,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:52:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:52:02,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006361460] [2021-06-11 20:52:02,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:52:02,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 20:52:02,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829644371] [2021-06-11 20:52:02,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 20:52:02,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:52:02,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 20:52:02,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-11 20:52:02,428 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:52:02,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 1287 transitions, 53224 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:02,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:52:02,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:52:02,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:04,275 INFO L129 PetriNetUnfolder]: 1260/3520 cut-off events. [2021-06-11 20:52:04,275 INFO L130 PetriNetUnfolder]: For 160176/161534 co-relation queries the response was YES. [2021-06-11 20:52:04,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59249 conditions, 3520 events. 1260/3520 cut-off events. For 160176/161534 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 35376 event pairs, 93 based on Foata normal form. 138/3653 useless extension candidates. Maximal degree in co-relation 58943. Up to 1288 conditions per place. [2021-06-11 20:52:04,305 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 395 selfloop transitions, 885 changer transitions 21/1312 dead transitions. [2021-06-11 20:52:04,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 1312 transitions, 56334 flow [2021-06-11 20:52:04,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 20:52:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 20:52:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 633 transitions. [2021-06-11 20:52:04,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6005692599620494 [2021-06-11 20:52:04,306 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 633 transitions. [2021-06-11 20:52:04,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 633 transitions. [2021-06-11 20:52:04,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:04,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 633 transitions. [2021-06-11 20:52:04,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 37.23529411764706) internal successors, (633), 17 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:04,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:04,308 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:04,308 INFO L185 Difference]: Start difference. First operand has 227 places, 1287 transitions, 53224 flow. Second operand 17 states and 633 transitions. [2021-06-11 20:52:04,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 1312 transitions, 56334 flow [2021-06-11 20:52:04,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 1312 transitions, 55106 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-06-11 20:52:04,869 INFO L241 Difference]: Finished difference. Result has 235 places, 1270 transitions, 52958 flow [2021-06-11 20:52:04,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=52002, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=882, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=52958, PETRI_PLACES=235, PETRI_TRANSITIONS=1270} [2021-06-11 20:52:04,870 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 196 predicate places. [2021-06-11 20:52:04,870 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:04,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 1270 transitions, 52958 flow [2021-06-11 20:52:04,870 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 1270 transitions, 52958 flow [2021-06-11 20:52:04,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 1270 transitions, 52958 flow [2021-06-11 20:52:05,799 INFO L129 PetriNetUnfolder]: 1033/3081 cut-off events. [2021-06-11 20:52:05,799 INFO L130 PetriNetUnfolder]: For 127056/127965 co-relation queries the response was YES. [2021-06-11 20:52:05,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49142 conditions, 3081 events. 1033/3081 cut-off events. For 127056/127965 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 31949 event pairs, 13 based on Foata normal form. 119/3183 useless extension candidates. Maximal degree in co-relation 48814. Up to 1146 conditions per place. [2021-06-11 20:52:05,833 INFO L151 LiptonReduction]: Number of co-enabled transitions 1372 [2021-06-11 20:52:06,143 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:06,144 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:06,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1274 [2021-06-11 20:52:06,144 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 1270 transitions, 52958 flow [2021-06-11 20:52:06,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:06,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:52:06,144 INFO L263 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] [2021-06-11 20:52:06,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-06-11 20:52:06,144 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:52:06,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:52:06,145 INFO L82 PathProgramCache]: Analyzing trace with hash 372217691, now seen corresponding path program 42 times [2021-06-11 20:52:06,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:52:06,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923788869] [2021-06-11 20:52:06,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:52:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:52:06,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:52:06,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:06,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:06,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:06,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:06,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:06,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:06,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:06,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:06,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:06,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:52:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:52:06,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923788869] [2021-06-11 20:52:06,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:52:06,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 20:52:06,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974321501] [2021-06-11 20:52:06,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 20:52:06,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:52:06,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 20:52:06,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-11 20:52:06,185 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:52:06,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 1270 transitions, 52958 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:06,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:52:06,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:52:06,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:08,247 INFO L129 PetriNetUnfolder]: 1255/3541 cut-off events. [2021-06-11 20:52:08,247 INFO L130 PetriNetUnfolder]: For 159922/160219 co-relation queries the response was YES. [2021-06-11 20:52:08,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59750 conditions, 3541 events. 1255/3541 cut-off events. For 159922/160219 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 35742 event pairs, 92 based on Foata normal form. 59/3597 useless extension candidates. Maximal degree in co-relation 59421. Up to 1292 conditions per place. [2021-06-11 20:52:08,277 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 395 selfloop transitions, 857 changer transitions 57/1320 dead transitions. [2021-06-11 20:52:08,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 1320 transitions, 56888 flow [2021-06-11 20:52:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 20:52:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 20:52:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 634 transitions. [2021-06-11 20:52:08,278 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6015180265654649 [2021-06-11 20:52:08,278 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 634 transitions. [2021-06-11 20:52:08,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 634 transitions. [2021-06-11 20:52:08,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:08,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 634 transitions. [2021-06-11 20:52:08,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 37.294117647058826) internal successors, (634), 17 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:08,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:08,280 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 62.0) internal successors, (1116), 18 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:08,280 INFO L185 Difference]: Start difference. First operand has 235 places, 1270 transitions, 52958 flow. Second operand 17 states and 634 transitions. [2021-06-11 20:52:08,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 1320 transitions, 56888 flow [2021-06-11 20:52:08,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 1320 transitions, 54676 flow, removed 0 selfloop flow, removed 15 redundant places. [2021-06-11 20:52:08,871 INFO L241 Difference]: Finished difference. Result has 236 places, 1242 transitions, 50750 flow [2021-06-11 20:52:08,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=50778, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=834, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=50750, PETRI_PLACES=236, PETRI_TRANSITIONS=1242} [2021-06-11 20:52:08,873 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 197 predicate places. [2021-06-11 20:52:08,873 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:08,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 236 places, 1242 transitions, 50750 flow [2021-06-11 20:52:08,873 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 236 places, 1242 transitions, 50750 flow [2021-06-11 20:52:08,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 1242 transitions, 50750 flow [2021-06-11 20:52:09,854 INFO L129 PetriNetUnfolder]: 1003/2988 cut-off events. [2021-06-11 20:52:09,855 INFO L130 PetriNetUnfolder]: For 131603/131920 co-relation queries the response was YES. [2021-06-11 20:52:09,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46424 conditions, 2988 events. 1003/2988 cut-off events. For 131603/131920 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 30812 event pairs, 13 based on Foata normal form. 128/3103 useless extension candidates. Maximal degree in co-relation 46069. Up to 1162 conditions per place. [2021-06-11 20:52:09,889 INFO L151 LiptonReduction]: Number of co-enabled transitions 1350 [2021-06-11 20:52:10,155 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:10,155 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:10,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1282 [2021-06-11 20:52:10,156 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 1242 transitions, 50750 flow [2021-06-11 20:52:10,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:10,156 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:52:10,156 INFO L263 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] [2021-06-11 20:52:10,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-06-11 20:52:10,156 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:52:10,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:52:10,156 INFO L82 PathProgramCache]: Analyzing trace with hash -582855993, now seen corresponding path program 43 times [2021-06-11 20:52:10,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:52:10,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061978341] [2021-06-11 20:52:10,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:52:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:52:10,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:10,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:52:10,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:10,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:10,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:10,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:10,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:10,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:10,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:10,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:10,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:10,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:10,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:52:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:52:10,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061978341] [2021-06-11 20:52:10,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:52:10,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-11 20:52:10,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192923304] [2021-06-11 20:52:10,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 20:52:10,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:52:10,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 20:52:10,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-11 20:52:10,186 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:52:10,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 1242 transitions, 50750 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:10,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:52:10,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:52:10,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:11,893 INFO L129 PetriNetUnfolder]: 1137/3214 cut-off events. [2021-06-11 20:52:11,893 INFO L130 PetriNetUnfolder]: For 148190/148224 co-relation queries the response was YES. [2021-06-11 20:52:11,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54025 conditions, 3214 events. 1137/3214 cut-off events. For 148190/148224 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 32247 event pairs, 93 based on Foata normal form. 50/3262 useless extension candidates. Maximal degree in co-relation 53739. Up to 1201 conditions per place. [2021-06-11 20:52:11,919 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 381 selfloop transitions, 788 changer transitions 26/1206 dead transitions. [2021-06-11 20:52:11,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 1206 transitions, 51230 flow [2021-06-11 20:52:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 20:52:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 20:52:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 373 transitions. [2021-06-11 20:52:11,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6016129032258064 [2021-06-11 20:52:11,920 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 373 transitions. [2021-06-11 20:52:11,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 373 transitions. [2021-06-11 20:52:11,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:11,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 373 transitions. [2021-06-11 20:52:11,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 37.3) internal successors, (373), 10 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:11,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:11,921 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 62.0) internal successors, (682), 11 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:11,921 INFO L185 Difference]: Start difference. First operand has 236 places, 1242 transitions, 50750 flow. Second operand 10 states and 373 transitions. [2021-06-11 20:52:11,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 1206 transitions, 51230 flow [2021-06-11 20:52:12,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 1206 transitions, 50325 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-06-11 20:52:12,387 INFO L241 Difference]: Finished difference. Result has 238 places, 1173 transitions, 48025 flow [2021-06-11 20:52:12,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=47209, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=776, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=48025, PETRI_PLACES=238, PETRI_TRANSITIONS=1173} [2021-06-11 20:52:12,388 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 199 predicate places. [2021-06-11 20:52:12,388 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:12,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 1173 transitions, 48025 flow [2021-06-11 20:52:12,389 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 1173 transitions, 48025 flow [2021-06-11 20:52:12,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 1173 transitions, 48025 flow [2021-06-11 20:52:13,188 INFO L129 PetriNetUnfolder]: 919/2795 cut-off events. [2021-06-11 20:52:13,188 INFO L130 PetriNetUnfolder]: For 107017/107173 co-relation queries the response was YES. [2021-06-11 20:52:13,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44219 conditions, 2795 events. 919/2795 cut-off events. For 107017/107173 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 28666 event pairs, 13 based on Foata normal form. 90/2872 useless extension candidates. Maximal degree in co-relation 43882. Up to 1078 conditions per place. [2021-06-11 20:52:13,281 INFO L151 LiptonReduction]: Number of co-enabled transitions 1322 [2021-06-11 20:52:13,517 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:13,517 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:13,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1129 [2021-06-11 20:52:13,517 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 1173 transitions, 48025 flow [2021-06-11 20:52:13,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:13,518 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:52:13,518 INFO L263 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] [2021-06-11 20:52:13,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-06-11 20:52:13,518 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:52:13,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:52:13,518 INFO L82 PathProgramCache]: Analyzing trace with hash -2114835307, now seen corresponding path program 44 times [2021-06-11 20:52:13,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:52:13,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59910132] [2021-06-11 20:52:13,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:52:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:52:13,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:13,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:52:13,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:13,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:13,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:13,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:13,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:13,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:13,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:13,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:13,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:13,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:52:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:52:13,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59910132] [2021-06-11 20:52:13,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:52:13,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:52:13,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878024280] [2021-06-11 20:52:13,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:52:13,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:52:13,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:52:13,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:52:13,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:52:13,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 1173 transitions, 48025 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:13,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:52:13,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:52:13,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:14,875 INFO L129 PetriNetUnfolder]: 962/2841 cut-off events. [2021-06-11 20:52:14,875 INFO L130 PetriNetUnfolder]: For 131824/131860 co-relation queries the response was YES. [2021-06-11 20:52:14,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45967 conditions, 2841 events. 962/2841 cut-off events. For 131824/131860 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 28290 event pairs, 121 based on Foata normal form. 84/2924 useless extension candidates. Maximal degree in co-relation 45671. Up to 1776 conditions per place. [2021-06-11 20:52:14,898 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 614 selfloop transitions, 397 changer transitions 59/1081 dead transitions. [2021-06-11 20:52:14,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 1081 transitions, 44801 flow [2021-06-11 20:52:14,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:52:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:52:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 225 transitions. [2021-06-11 20:52:14,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6048387096774194 [2021-06-11 20:52:14,899 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 225 transitions. [2021-06-11 20:52:14,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 225 transitions. [2021-06-11 20:52:14,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:14,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 225 transitions. [2021-06-11 20:52:14,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:14,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:14,900 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:14,900 INFO L185 Difference]: Start difference. First operand has 238 places, 1173 transitions, 48025 flow. Second operand 6 states and 225 transitions. [2021-06-11 20:52:14,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 1081 transitions, 44801 flow [2021-06-11 20:52:15,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 1081 transitions, 44140 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 20:52:15,266 INFO L241 Difference]: Finished difference. Result has 239 places, 1020 transitions, 39681 flow [2021-06-11 20:52:15,267 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=41758, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1072, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=397, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=39681, PETRI_PLACES=239, PETRI_TRANSITIONS=1020} [2021-06-11 20:52:15,267 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 200 predicate places. [2021-06-11 20:52:15,267 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:15,267 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 1020 transitions, 39681 flow [2021-06-11 20:52:15,267 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 1020 transitions, 39681 flow [2021-06-11 20:52:15,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 1020 transitions, 39681 flow [2021-06-11 20:52:15,827 INFO L129 PetriNetUnfolder]: 748/2327 cut-off events. [2021-06-11 20:52:15,828 INFO L130 PetriNetUnfolder]: For 96357/96541 co-relation queries the response was YES. [2021-06-11 20:52:15,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33664 conditions, 2327 events. 748/2327 cut-off events. For 96357/96541 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 23187 event pairs, 13 based on Foata normal form. 68/2382 useless extension candidates. Maximal degree in co-relation 33353. Up to 857 conditions per place. [2021-06-11 20:52:15,851 INFO L151 LiptonReduction]: Number of co-enabled transitions 1100 [2021-06-11 20:52:16,040 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:16,040 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:16,040 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 773 [2021-06-11 20:52:16,040 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 1020 transitions, 39681 flow [2021-06-11 20:52:16,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:16,040 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:52:16,040 INFO L263 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] [2021-06-11 20:52:16,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-06-11 20:52:16,041 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:52:16,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:52:16,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1803850399, now seen corresponding path program 45 times [2021-06-11 20:52:16,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:52:16,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185339673] [2021-06-11 20:52:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:52:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:52:16,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:16,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:52:16,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:16,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:16,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:16,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:16,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:16,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:16,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:16,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:16,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:16,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:16,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:16,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:16,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:16,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:52:16,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:52:16,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185339673] [2021-06-11 20:52:16,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:52:16,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 20:52:16,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722870276] [2021-06-11 20:52:16,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 20:52:16,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:52:16,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 20:52:16,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-06-11 20:52:16,068 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:52:16,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 1020 transitions, 39681 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:16,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:52:16,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:52:16,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:16,976 INFO L129 PetriNetUnfolder]: 630/1980 cut-off events. [2021-06-11 20:52:16,976 INFO L130 PetriNetUnfolder]: For 106840/106876 co-relation queries the response was YES. [2021-06-11 20:52:16,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31239 conditions, 1980 events. 630/1980 cut-off events. For 106840/106876 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 18820 event pairs, 93 based on Foata normal form. 144/2123 useless extension candidates. Maximal degree in co-relation 31037. Up to 1154 conditions per place. [2021-06-11 20:52:16,989 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 398 selfloop transitions, 182 changer transitions 180/771 dead transitions. [2021-06-11 20:52:16,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 771 transitions, 31254 flow [2021-06-11 20:52:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 20:52:16,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 20:52:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 338 transitions. [2021-06-11 20:52:16,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6057347670250897 [2021-06-11 20:52:16,990 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 338 transitions. [2021-06-11 20:52:16,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 338 transitions. [2021-06-11 20:52:16,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:16,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 338 transitions. [2021-06-11 20:52:16,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.55555555555556) internal successors, (338), 9 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:16,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:16,991 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:16,991 INFO L185 Difference]: Start difference. First operand has 239 places, 1020 transitions, 39681 flow. Second operand 9 states and 338 transitions. [2021-06-11 20:52:16,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 771 transitions, 31254 flow [2021-06-11 20:52:17,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 771 transitions, 30687 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-06-11 20:52:17,217 INFO L241 Difference]: Finished difference. Result has 243 places, 589 transitions, 19890 flow [2021-06-11 20:52:17,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=29057, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=766, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=19890, PETRI_PLACES=243, PETRI_TRANSITIONS=589} [2021-06-11 20:52:17,218 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 204 predicate places. [2021-06-11 20:52:17,218 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:17,218 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 589 transitions, 19890 flow [2021-06-11 20:52:17,218 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 589 transitions, 19890 flow [2021-06-11 20:52:17,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 589 transitions, 19890 flow [2021-06-11 20:52:17,442 INFO L129 PetriNetUnfolder]: 435/1385 cut-off events. [2021-06-11 20:52:17,442 INFO L130 PetriNetUnfolder]: For 47931/48011 co-relation queries the response was YES. [2021-06-11 20:52:17,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17841 conditions, 1385 events. 435/1385 cut-off events. For 47931/48011 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 12325 event pairs, 13 based on Foata normal form. 32/1405 useless extension candidates. Maximal degree in co-relation 17638. Up to 768 conditions per place. [2021-06-11 20:52:17,455 INFO L151 LiptonReduction]: Number of co-enabled transitions 632 [2021-06-11 20:52:17,518 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:17,518 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:17,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 300 [2021-06-11 20:52:17,519 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 589 transitions, 19890 flow [2021-06-11 20:52:17,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:17,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:52:17,519 INFO L263 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] [2021-06-11 20:52:17,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-06-11 20:52:17,519 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:52:17,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:52:17,519 INFO L82 PathProgramCache]: Analyzing trace with hash 370784561, now seen corresponding path program 46 times [2021-06-11 20:52:17,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:52:17,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993871838] [2021-06-11 20:52:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:52:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:52:17,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:52:17,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:17,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:17,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:17,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:17,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:17,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:52:17,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:17,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:17,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:17,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:52:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:52:17,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993871838] [2021-06-11 20:52:17,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:52:17,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:52:17,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131824334] [2021-06-11 20:52:17,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:52:17,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:52:17,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:52:17,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:52:17,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:52:17,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 589 transitions, 19890 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:17,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:52:17,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:52:17,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:17,903 INFO L129 PetriNetUnfolder]: 275/969 cut-off events. [2021-06-11 20:52:17,903 INFO L130 PetriNetUnfolder]: For 50216/50325 co-relation queries the response was YES. [2021-06-11 20:52:17,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14287 conditions, 969 events. 275/969 cut-off events. For 50216/50325 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 8232 event pairs, 3 based on Foata normal form. 160/1128 useless extension candidates. Maximal degree in co-relation 14175. Up to 412 conditions per place. [2021-06-11 20:52:17,909 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 77 selfloop transitions, 269 changer transitions 57/414 dead transitions. [2021-06-11 20:52:17,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 414 transitions, 15487 flow [2021-06-11 20:52:17,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 20:52:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 20:52:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 265 transitions. [2021-06-11 20:52:17,910 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6105990783410138 [2021-06-11 20:52:17,910 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 265 transitions. [2021-06-11 20:52:17,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 265 transitions. [2021-06-11 20:52:17,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:17,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 265 transitions. [2021-06-11 20:52:17,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 37.857142857142854) internal successors, (265), 7 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:17,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:17,911 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 62.0) internal successors, (496), 8 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:17,911 INFO L185 Difference]: Start difference. First operand has 242 places, 589 transitions, 19890 flow. Second operand 7 states and 265 transitions. [2021-06-11 20:52:17,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 414 transitions, 15487 flow [2021-06-11 20:52:18,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 414 transitions, 14517 flow, removed 52 selfloop flow, removed 17 redundant places. [2021-06-11 20:52:18,041 INFO L241 Difference]: Finished difference. Result has 231 places, 354 transitions, 12538 flow [2021-06-11 20:52:18,041 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=13233, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12538, PETRI_PLACES=231, PETRI_TRANSITIONS=354} [2021-06-11 20:52:18,041 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 192 predicate places. [2021-06-11 20:52:18,042 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:18,042 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 231 places, 354 transitions, 12538 flow [2021-06-11 20:52:18,042 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 231 places, 354 transitions, 12538 flow [2021-06-11 20:52:18,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 231 places, 354 transitions, 12538 flow [2021-06-11 20:52:18,122 INFO L129 PetriNetUnfolder]: 148/614 cut-off events. [2021-06-11 20:52:18,122 INFO L130 PetriNetUnfolder]: For 31155/31190 co-relation queries the response was YES. [2021-06-11 20:52:18,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8629 conditions, 614 events. 148/614 cut-off events. For 31155/31190 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4822 event pairs, 1 based on Foata normal form. 11/625 useless extension candidates. Maximal degree in co-relation 8521. Up to 196 conditions per place. [2021-06-11 20:52:18,127 INFO L151 LiptonReduction]: Number of co-enabled transitions 210 [2021-06-11 20:52:18,151 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:18,151 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:18,151 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-06-11 20:52:18,151 INFO L480 AbstractCegarLoop]: Abstraction has has 231 places, 354 transitions, 12538 flow [2021-06-11 20:52:18,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:52:18,152 INFO L263 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] [2021-06-11 20:52:18,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-06-11 20:52:18,152 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:52:18,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:52:18,152 INFO L82 PathProgramCache]: Analyzing trace with hash 925084265, now seen corresponding path program 47 times [2021-06-11 20:52:18,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:52:18,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394417140] [2021-06-11 20:52:18,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:52:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:52:18,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:52:18,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:52:18,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:52:18,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:52:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:52:18,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394417140] [2021-06-11 20:52:18,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:52:18,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 20:52:18,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370763920] [2021-06-11 20:52:18,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 20:52:18,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:52:18,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 20:52:18,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-11 20:52:18,187 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:52:18,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 354 transitions, 12538 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:52:18,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:52:18,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:18,400 INFO L129 PetriNetUnfolder]: 129/554 cut-off events. [2021-06-11 20:52:18,400 INFO L130 PetriNetUnfolder]: For 31485/31521 co-relation queries the response was YES. [2021-06-11 20:52:18,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8854 conditions, 554 events. 129/554 cut-off events. For 31485/31521 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4254 event pairs, 3 based on Foata normal form. 22/575 useless extension candidates. Maximal degree in co-relation 8766. Up to 163 conditions per place. [2021-06-11 20:52:18,404 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 61 selfloop transitions, 201 changer transitions 51/324 dead transitions. [2021-06-11 20:52:18,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 324 transitions, 12611 flow [2021-06-11 20:52:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 20:52:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 20:52:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 332 transitions. [2021-06-11 20:52:18,404 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5949820788530465 [2021-06-11 20:52:18,405 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 332 transitions. [2021-06-11 20:52:18,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 332 transitions. [2021-06-11 20:52:18,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:18,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 332 transitions. [2021-06-11 20:52:18,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 36.888888888888886) internal successors, (332), 9 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,405 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 62.0) internal successors, (620), 10 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,406 INFO L185 Difference]: Start difference. First operand has 231 places, 354 transitions, 12538 flow. Second operand 9 states and 332 transitions. [2021-06-11 20:52:18,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 324 transitions, 12611 flow [2021-06-11 20:52:18,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 324 transitions, 11963 flow, removed 20 selfloop flow, removed 10 redundant places. [2021-06-11 20:52:18,495 INFO L241 Difference]: Finished difference. Result has 229 places, 271 transitions, 10261 flow [2021-06-11 20:52:18,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=11070, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=195, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=10261, PETRI_PLACES=229, PETRI_TRANSITIONS=271} [2021-06-11 20:52:18,496 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 190 predicate places. [2021-06-11 20:52:18,496 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:18,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 271 transitions, 10261 flow [2021-06-11 20:52:18,496 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 271 transitions, 10261 flow [2021-06-11 20:52:18,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 227 places, 271 transitions, 10261 flow [2021-06-11 20:52:18,548 INFO L129 PetriNetUnfolder]: 93/418 cut-off events. [2021-06-11 20:52:18,548 INFO L130 PetriNetUnfolder]: For 26906/26913 co-relation queries the response was YES. [2021-06-11 20:52:18,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6404 conditions, 418 events. 93/418 cut-off events. For 26906/26913 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2966 event pairs, 0 based on Foata normal form. 3/421 useless extension candidates. Maximal degree in co-relation 6323. Up to 124 conditions per place. [2021-06-11 20:52:18,551 INFO L151 LiptonReduction]: Number of co-enabled transitions 112 [2021-06-11 20:52:18,567 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:18,567 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:18,567 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-06-11 20:52:18,567 INFO L480 AbstractCegarLoop]: Abstraction has has 227 places, 271 transitions, 10261 flow [2021-06-11 20:52:18,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:52:18,568 INFO L263 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] [2021-06-11 20:52:18,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-06-11 20:52:18,568 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:52:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:52:18,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1687560831, now seen corresponding path program 48 times [2021-06-11 20:52:18,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:52:18,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027130045] [2021-06-11 20:52:18,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:52:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:52:18,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:52:18,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 20:52:18,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:52:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:52:18,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027130045] [2021-06-11 20:52:18,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:52:18,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 20:52:18,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775643717] [2021-06-11 20:52:18,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 20:52:18,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:52:18,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 20:52:18,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-11 20:52:18,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:52:18,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 271 transitions, 10261 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:52:18,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:52:18,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:18,809 INFO L129 PetriNetUnfolder]: 66/332 cut-off events. [2021-06-11 20:52:18,809 INFO L130 PetriNetUnfolder]: For 27356/27392 co-relation queries the response was YES. [2021-06-11 20:52:18,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6296 conditions, 332 events. 66/332 cut-off events. For 27356/27392 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2429 event pairs, 0 based on Foata normal form. 28/359 useless extension candidates. Maximal degree in co-relation 6244. Up to 121 conditions per place. [2021-06-11 20:52:18,811 INFO L132 encePairwiseOnDemand]: 51/62 looper letters, 9 selfloop transitions, 65 changer transitions 145/230 dead transitions. [2021-06-11 20:52:18,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 230 transitions, 9921 flow [2021-06-11 20:52:18,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 20:52:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 20:52:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 426 transitions. [2021-06-11 20:52:18,811 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5725806451612904 [2021-06-11 20:52:18,811 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 426 transitions. [2021-06-11 20:52:18,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 426 transitions. [2021-06-11 20:52:18,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:18,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 426 transitions. [2021-06-11 20:52:18,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 35.5) internal successors, (426), 12 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 62.0) internal successors, (806), 13 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,813 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 62.0) internal successors, (806), 13 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,813 INFO L185 Difference]: Start difference. First operand has 227 places, 271 transitions, 10261 flow. Second operand 12 states and 426 transitions. [2021-06-11 20:52:18,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 230 transitions, 9921 flow [2021-06-11 20:52:18,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 230 transitions, 8638 flow, removed 3 selfloop flow, removed 29 redundant places. [2021-06-11 20:52:18,872 INFO L241 Difference]: Finished difference. Result has 206 places, 84 transitions, 2757 flow [2021-06-11 20:52:18,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=8092, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2757, PETRI_PLACES=206, PETRI_TRANSITIONS=84} [2021-06-11 20:52:18,872 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 167 predicate places. [2021-06-11 20:52:18,872 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:18,872 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 84 transitions, 2757 flow [2021-06-11 20:52:18,872 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 84 transitions, 2757 flow [2021-06-11 20:52:18,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 84 transitions, 2757 flow [2021-06-11 20:52:18,881 INFO L129 PetriNetUnfolder]: 20/99 cut-off events. [2021-06-11 20:52:18,881 INFO L130 PetriNetUnfolder]: For 5450/5478 co-relation queries the response was YES. [2021-06-11 20:52:18,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1562 conditions, 99 events. 20/99 cut-off events. For 5450/5478 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 363 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 1476. Up to 34 conditions per place. [2021-06-11 20:52:18,882 INFO L151 LiptonReduction]: Number of co-enabled transitions 12 [2021-06-11 20:52:18,884 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:18,884 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:18,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 20:52:18,884 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 84 transitions, 2757 flow [2021-06-11 20:52:18,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:52:18,884 INFO L263 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] [2021-06-11 20:52:18,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-06-11 20:52:18,885 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:52:18,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:52:18,885 INFO L82 PathProgramCache]: Analyzing trace with hash 844328603, now seen corresponding path program 49 times [2021-06-11 20:52:18,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:52:18,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584550310] [2021-06-11 20:52:18,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:52:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:52:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:52:18,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:52:18,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:52:18,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:52:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 20:52:18,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584550310] [2021-06-11 20:52:18,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:52:18,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-06-11 20:52:18,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519277755] [2021-06-11 20:52:18,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 20:52:18,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:52:18,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 20:52:18,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-11 20:52:18,925 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-06-11 20:52:18,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 84 transitions, 2757 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:18,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:52:18,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-06-11 20:52:18,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:52:19,051 INFO L129 PetriNetUnfolder]: 19/90 cut-off events. [2021-06-11 20:52:19,051 INFO L130 PetriNetUnfolder]: For 5430/5464 co-relation queries the response was YES. [2021-06-11 20:52:19,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 90 events. 19/90 cut-off events. For 5430/5464 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 361 event pairs, 0 based on Foata normal form. 5/94 useless extension candidates. Maximal degree in co-relation 1556. Up to 34 conditions per place. [2021-06-11 20:52:19,051 INFO L132 encePairwiseOnDemand]: 52/62 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2021-06-11 20:52:19,051 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 75 transitions, 2855 flow [2021-06-11 20:52:19,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 20:52:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 20:52:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 464 transitions. [2021-06-11 20:52:19,052 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5345622119815668 [2021-06-11 20:52:19,052 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 464 transitions. [2021-06-11 20:52:19,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 464 transitions. [2021-06-11 20:52:19,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:52:19,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 464 transitions. [2021-06-11 20:52:19,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 33.142857142857146) internal successors, (464), 14 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:19,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 62.0) internal successors, (930), 15 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:19,053 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 62.0) internal successors, (930), 15 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:19,053 INFO L185 Difference]: Start difference. First operand has 183 places, 84 transitions, 2757 flow. Second operand 14 states and 464 transitions. [2021-06-11 20:52:19,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 75 transitions, 2855 flow [2021-06-11 20:52:19,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 75 transitions, 1114 flow, removed 12 selfloop flow, removed 103 redundant places. [2021-06-11 20:52:19,064 INFO L241 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2021-06-11 20:52:19,065 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2021-06-11 20:52:19,065 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 47 predicate places. [2021-06-11 20:52:19,065 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:52:19,065 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 0 transitions, 0 flow [2021-06-11 20:52:19,065 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 0 transitions, 0 flow [2021-06-11 20:52:19,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 20:52:19,065 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 20:52:19,065 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 20:52:19,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-06-11 20:52:19,065 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 20:52:19,065 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:52:19,065 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:52:19,065 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 0 [2021-06-11 20:52:19,066 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 20:52:19,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 20:52:19,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-06-11 20:52:19,068 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 08:52:19 BasicIcfg [2021-06-11 20:52:19,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 20:52:19,069 INFO L168 Benchmark]: Toolchain (without parser) took 143939.89 ms. Allocated memory was 343.9 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 323.4 MB in the beginning and 1.2 GB in the end (delta: -829.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-06-11 20:52:19,069 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 324.5 MB in the beginning and 324.5 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 20:52:19,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.86 ms. Allocated memory is still 343.9 MB. Free memory was 323.3 MB in the beginning and 321.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-11 20:52:19,069 INFO L168 Benchmark]: Boogie Preprocessor took 16.56 ms. Allocated memory is still 343.9 MB. Free memory was 321.8 MB in the beginning and 320.9 MB in the end (delta: 941.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 20:52:19,069 INFO L168 Benchmark]: RCFGBuilder took 201.35 ms. Allocated memory is still 343.9 MB. Free memory was 320.8 MB in the beginning and 305.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-11 20:52:19,069 INFO L168 Benchmark]: TraceAbstraction took 143697.65 ms. Allocated memory was 343.9 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 305.3 MB in the beginning and 1.2 GB in the end (delta: -847.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-06-11 20:52:19,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 324.5 MB in the beginning and 324.5 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.86 ms. Allocated memory is still 343.9 MB. Free memory was 323.3 MB in the beginning and 321.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.56 ms. Allocated memory is still 343.9 MB. Free memory was 321.8 MB in the beginning and 320.9 MB in the end (delta: 941.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 201.35 ms. Allocated memory is still 343.9 MB. Free memory was 320.8 MB in the beginning and 305.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 143697.65 ms. Allocated memory was 343.9 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 305.3 MB in the beginning and 1.2 GB in the end (delta: -847.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 984.1ms, 55 PlacesBefore, 39 PlacesAfterwards, 39 TransitionsBefore, 23 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 16 TotalNumberOfCompositions, 1124 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 521, positive: 473, positive conditional: 473, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 521, positive: 473, positive conditional: 0, positive unconditional: 473, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 521, positive: 473, positive conditional: 0, positive unconditional: 473, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 429, positive: 397, positive conditional: 0, positive unconditional: 397, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 429, positive: 338, positive conditional: 0, positive unconditional: 338, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 274, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 521, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 429, unknown conditional: 0, unknown unconditional: 429] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.9ms, 36 PlacesBefore, 36 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 149.5ms, 39 PlacesBefore, 39 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 204.3ms, 44 PlacesBefore, 44 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 398 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 309.2ms, 53 PlacesBefore, 53 PlacesAfterwards, 249 TransitionsBefore, 249 TransitionsAfterwards, 720 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 267.4ms, 57 PlacesBefore, 57 PlacesAfterwards, 279 TransitionsBefore, 279 TransitionsAfterwards, 744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 324.5ms, 63 PlacesBefore, 63 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 898 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 401.7ms, 68 PlacesBefore, 68 PlacesAfterwards, 429 TransitionsBefore, 429 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.3ms, 71 PlacesBefore, 71 PlacesAfterwards, 489 TransitionsBefore, 489 TransitionsAfterwards, 956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 438.6ms, 73 PlacesBefore, 73 PlacesAfterwards, 521 TransitionsBefore, 521 TransitionsAfterwards, 962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 493.4ms, 76 PlacesBefore, 76 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 497.7ms, 82 PlacesBefore, 82 PlacesAfterwards, 568 TransitionsBefore, 568 TransitionsAfterwards, 956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 682.7ms, 88 PlacesBefore, 88 PlacesAfterwards, 613 TransitionsBefore, 613 TransitionsAfterwards, 1118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 717.5ms, 92 PlacesBefore, 92 PlacesAfterwards, 662 TransitionsBefore, 662 TransitionsAfterwards, 1242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 634.7ms, 98 PlacesBefore, 98 PlacesAfterwards, 616 TransitionsBefore, 616 TransitionsAfterwards, 1028 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 631.4ms, 101 PlacesBefore, 101 PlacesAfterwards, 666 TransitionsBefore, 666 TransitionsAfterwards, 1040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 736.1ms, 105 PlacesBefore, 105 PlacesAfterwards, 689 TransitionsBefore, 689 TransitionsAfterwards, 1064 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 795.6ms, 108 PlacesBefore, 108 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 1082 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 829.5ms, 115 PlacesBefore, 115 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 1082 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 927.4ms, 119 PlacesBefore, 119 PlacesAfterwards, 808 TransitionsBefore, 808 TransitionsAfterwards, 1084 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1025.3ms, 124 PlacesBefore, 124 PlacesAfterwards, 906 TransitionsBefore, 906 TransitionsAfterwards, 1154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1289.9ms, 127 PlacesBefore, 127 PlacesAfterwards, 955 TransitionsBefore, 955 TransitionsAfterwards, 1162 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1362.0ms, 139 PlacesBefore, 139 PlacesAfterwards, 1048 TransitionsBefore, 1048 TransitionsAfterwards, 1252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1398.7ms, 145 PlacesBefore, 145 PlacesAfterwards, 1156 TransitionsBefore, 1156 TransitionsAfterwards, 1324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1373.7ms, 144 PlacesBefore, 144 PlacesAfterwards, 1143 TransitionsBefore, 1143 TransitionsAfterwards, 1278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1367.6ms, 148 PlacesBefore, 148 PlacesAfterwards, 1127 TransitionsBefore, 1127 TransitionsAfterwards, 1244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1490.5ms, 156 PlacesBefore, 156 PlacesAfterwards, 1174 TransitionsBefore, 1174 TransitionsAfterwards, 1268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1532.1ms, 156 PlacesBefore, 156 PlacesAfterwards, 1237 TransitionsBefore, 1237 TransitionsAfterwards, 1322 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1526.9ms, 160 PlacesBefore, 160 PlacesAfterwards, 1276 TransitionsBefore, 1276 TransitionsAfterwards, 1328 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1676.6ms, 169 PlacesBefore, 169 PlacesAfterwards, 1336 TransitionsBefore, 1336 TransitionsAfterwards, 1348 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1725.8ms, 175 PlacesBefore, 175 PlacesAfterwards, 1374 TransitionsBefore, 1374 TransitionsAfterwards, 1376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2095.3ms, 182 PlacesBefore, 182 PlacesAfterwards, 1476 TransitionsBefore, 1476 TransitionsAfterwards, 1548 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1939.3ms, 192 PlacesBefore, 192 PlacesAfterwards, 1452 TransitionsBefore, 1452 TransitionsAfterwards, 1548 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1869.1ms, 197 PlacesBefore, 197 PlacesAfterwards, 1472 TransitionsBefore, 1472 TransitionsAfterwards, 1550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1989.4ms, 200 PlacesBefore, 200 PlacesAfterwards, 1452 TransitionsBefore, 1452 TransitionsAfterwards, 1502 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1931.0ms, 207 PlacesBefore, 207 PlacesAfterwards, 1448 TransitionsBefore, 1448 TransitionsAfterwards, 1480 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1653.7ms, 218 PlacesBefore, 212 PlacesAfterwards, 1375 TransitionsBefore, 1375 TransitionsAfterwards, 1480 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1771.9ms, 210 PlacesBefore, 210 PlacesAfterwards, 1383 TransitionsBefore, 1383 TransitionsAfterwards, 1516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1841.5ms, 216 PlacesBefore, 216 PlacesAfterwards, 1425 TransitionsBefore, 1425 TransitionsAfterwards, 1528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1413.1ms, 223 PlacesBefore, 223 PlacesAfterwards, 1302 TransitionsBefore, 1302 TransitionsAfterwards, 1346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1280.1ms, 227 PlacesBefore, 227 PlacesAfterwards, 1287 TransitionsBefore, 1287 TransitionsAfterwards, 1368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1273.3ms, 235 PlacesBefore, 235 PlacesAfterwards, 1270 TransitionsBefore, 1270 TransitionsAfterwards, 1372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1282.4ms, 236 PlacesBefore, 236 PlacesAfterwards, 1242 TransitionsBefore, 1242 TransitionsAfterwards, 1350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1128.3ms, 238 PlacesBefore, 238 PlacesAfterwards, 1173 TransitionsBefore, 1173 TransitionsAfterwards, 1322 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 772.3ms, 239 PlacesBefore, 239 PlacesAfterwards, 1020 TransitionsBefore, 1020 TransitionsAfterwards, 1100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 300.3ms, 243 PlacesBefore, 242 PlacesAfterwards, 589 TransitionsBefore, 589 TransitionsAfterwards, 632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.3ms, 231 PlacesBefore, 231 PlacesAfterwards, 354 TransitionsBefore, 354 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.0ms, 229 PlacesBefore, 227 PlacesAfterwards, 271 TransitionsBefore, 271 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.5ms, 206 PlacesBefore, 183 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4ms, 86 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - PositiveResult [Line: 95]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 143609.7ms, OverallIterations: 49, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 92382.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1085.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 79 SDtfs, 218 SDslu, 13 SDs, 0 SdLazy, 10169 SolverSat, 1945 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3904.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 559 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 449 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 1660.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=59687occurred in iteration=38, InterpolantAutomatonStates: 453, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 44.8ms SsaConstructionTime, 192.8ms SatisfiabilityAnalysisTime, 1585.5ms InterpolantComputationTime, 1127 NumberOfCodeBlocks, 1127 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1078 ConstructedInterpolants, 0 QuantifiedInterpolants, 3179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...