/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-7.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 20:53:14,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 20:53:14,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 20:53:14,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 20:53:14,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 20:53:14,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 20:53:14,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 20:53:14,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 20:53:14,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 20:53:14,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 20:53:14,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 20:53:14,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 20:53:14,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 20:53:14,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 20:53:14,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 20:53:14,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 20:53:14,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 20:53:14,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 20:53:14,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 20:53:14,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 20:53:14,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 20:53:14,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 20:53:14,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 20:53:14,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 20:53:14,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 20:53:14,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 20:53:14,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 20:53:14,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 20:53:14,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 20:53:14,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 20:53:14,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 20:53:14,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 20:53:14,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 20:53:14,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 20:53:14,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 20:53:14,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 20:53:14,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 20:53:14,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 20:53:14,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 20:53:14,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 20:53:14,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 20:53:14,180 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 20:53:14,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 20:53:14,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 20:53:14,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 20:53:14,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 20:53:14,207 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 20:53:14,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 20:53:14,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 20:53:14,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 20:53:14,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 20:53:14,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 20:53:14,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 20:53:14,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 20:53:14,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 20:53:14,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 20:53:14,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 20:53:14,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 20:53:14,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 20:53:14,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 20:53:14,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 20:53:14,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 20:53:14,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 20:53:14,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 20:53:14,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 20:53:14,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 20:53:14,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 20:53:14,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 20:53:14,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 20:53:14,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 20:53:14,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 20:53:14,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 20:53:14,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 20:53:14,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 20:53:14,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 20:53:14,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 20:53:14,450 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 20:53:14,450 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 20:53:14,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-7.wvr.bpl [2021-06-11 20:53:14,451 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-7.wvr.bpl' [2021-06-11 20:53:14,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 20:53:14,481 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 20:53:14,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 20:53:14,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 20:53:14,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 20:53:14,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/1) ... [2021-06-11 20:53:14,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/1) ... [2021-06-11 20:53:14,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 20:53:14,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 20:53:14,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 20:53:14,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 20:53:14,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/1) ... [2021-06-11 20:53:14,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/1) ... [2021-06-11 20:53:14,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/1) ... [2021-06-11 20:53:14,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/1) ... [2021-06-11 20:53:14,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/1) ... [2021-06-11 20:53:14,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/1) ... [2021-06-11 20:53:14,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/1) ... [2021-06-11 20:53:14,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 20:53:14,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 20:53:14,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 20:53:14,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 20:53:14,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (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 20:53:14,577 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-11 20:53:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 20:53:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 20:53:14,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-11 20:53:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 20:53:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 20:53:14,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 20:53:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 20:53:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 20:53:14,578 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-11 20:53:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-11 20:53:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-11 20:53:14,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-11 20:53:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-11 20:53:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-11 20:53:14,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-11 20:53:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-11 20:53:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-11 20:53:14,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-11 20:53:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-11 20:53:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-11 20:53:14,580 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2021-06-11 20:53:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2021-06-11 20:53:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2021-06-11 20:53:14,580 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 20:53:14,841 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 20:53:14,842 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 20:53:14,843 INFO L202 PluginConnector]: Adding new model ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 08:53:14 BoogieIcfgContainer [2021-06-11 20:53:14,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 20:53:14,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 20:53:14,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 20:53:14,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 20:53:14,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 08:53:14" (1/2) ... [2021-06-11 20:53:14,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57469ae6 and model type ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 08:53:14, skipping insertion in model container [2021-06-11 20:53:14,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 08:53:14" (2/2) ... [2021-06-11 20:53:14,860 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-7.wvr.bpl [2021-06-11 20:53:14,864 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 20:53:14,867 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 20:53:14,868 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 20:53:14,951 INFO L149 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2021-06-11 20:53:14,963 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-06-11 20:53:14,985 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 20:53:14,986 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 20:53:14,986 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 20:53:14,986 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 20:53:14,986 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 20:53:14,986 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 20:53:14,986 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 20:53:14,986 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 20:53:14,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 62 transitions, 180 flow [2021-06-11 20:53:15,038 INFO L129 PetriNetUnfolder]: 0/55 cut-off events. [2021-06-11 20:53:15,038 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 20:53:15,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 55 events. 0/55 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 154 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 20:53:15,039 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 62 transitions, 180 flow [2021-06-11 20:53:15,043 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 53 transitions, 148 flow [2021-06-11 20:53:15,044 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:53:15,053 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 53 transitions, 148 flow [2021-06-11 20:53:15,056 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 53 transitions, 148 flow [2021-06-11 20:53:15,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 53 transitions, 148 flow [2021-06-11 20:53:15,082 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-06-11 20:53:15,082 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 20:53:15,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 53 events. 0/53 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 152 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 20:53:15,084 INFO L151 LiptonReduction]: Number of co-enabled transitions 1542 [2021-06-11 20:53:15,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:15,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:15,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:15,370 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:53:15,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:15,515 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:53:15,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:15,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:15,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:15,621 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:53:15,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:15,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:15,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:15,745 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:53:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:15,823 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:53:16,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:16,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:16,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:16,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:16,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:16,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,626 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 20:53:16,642 INFO L163 LiptonReduction]: Checked pairs total: 2616 [2021-06-11 20:53:16,642 INFO L165 LiptonReduction]: Total number of compositions: 22 [2021-06-11 20:53:16,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1601 [2021-06-11 20:53:16,652 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-06-11 20:53:16,653 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 20:53:16,653 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:53:16,653 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:53:16,653 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:53:16,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:53:16,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1984223609, now seen corresponding path program 1 times [2021-06-11 20:53:16,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:53:16,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634962447] [2021-06-11 20:53:16,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:53:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:53:16,805 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-06-11 20:53:16,806 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-06-11 20:53:16,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:16,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:16,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 20:53:16,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:16,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:16,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:16,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:16,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:16,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 20:53:16,833 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 20:53:16,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634962447] [2021-06-11 20:53:16,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:53:16,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 20:53:16,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286519542] [2021-06-11 20:53:16,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 20:53:16,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:53:16,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 20:53:16,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-11 20:53:16,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 84 [2021-06-11 20:53:16,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 31 transitions, 104 flow. Second operand has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 0 states have call successors, (0), 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 20:53:16,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:53:16,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 84 [2021-06-11 20:53:16,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:53:18,074 INFO L129 PetriNetUnfolder]: 15335/19975 cut-off events. [2021-06-11 20:53:18,074 INFO L130 PetriNetUnfolder]: For 386/386 co-relation queries the response was YES. [2021-06-11 20:53:18,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39966 conditions, 19975 events. 15335/19975 cut-off events. For 386/386 co-relation queries the response was YES. Maximal size of possible extension queue 1160. Compared 104510 event pairs, 7502 based on Foata normal form. 1/19888 useless extension candidates. Maximal degree in co-relation 39928. Up to 10206 conditions per place. [2021-06-11 20:53:18,179 INFO L132 encePairwiseOnDemand]: 67/84 looper letters, 33 selfloop transitions, 15 changer transitions 1/63 dead transitions. [2021-06-11 20:53:18,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 63 transitions, 266 flow [2021-06-11 20:53:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 20:53:18,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 20:53:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 295 transitions. [2021-06-11 20:53:18,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7023809523809523 [2021-06-11 20:53:18,225 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 295 transitions. [2021-06-11 20:53:18,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 295 transitions. [2021-06-11 20:53:18,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:53:18,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 295 transitions. [2021-06-11 20:53:18,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 59.0) internal successors, (295), 5 states have internal predecessors, (295), 0 states have call successors, (0), 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 20:53:18,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 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 20:53:18,245 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 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 20:53:18,246 INFO L185 Difference]: Start difference. First operand has 53 places, 31 transitions, 104 flow. Second operand 5 states and 295 transitions. [2021-06-11 20:53:18,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 63 transitions, 266 flow [2021-06-11 20:53:18,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 63 transitions, 238 flow, removed 0 selfloop flow, removed 14 redundant places. [2021-06-11 20:53:18,280 INFO L241 Difference]: Finished difference. Result has 46 places, 44 transitions, 185 flow [2021-06-11 20:53:18,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=185, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2021-06-11 20:53:18,283 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, -7 predicate places. [2021-06-11 20:53:18,283 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:53:18,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 44 transitions, 185 flow [2021-06-11 20:53:18,284 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 44 transitions, 185 flow [2021-06-11 20:53:18,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 44 transitions, 185 flow [2021-06-11 20:53:18,828 INFO L129 PetriNetUnfolder]: 3652/6383 cut-off events. [2021-06-11 20:53:18,828 INFO L130 PetriNetUnfolder]: For 418/431 co-relation queries the response was YES. [2021-06-11 20:53:18,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13410 conditions, 6383 events. 3652/6383 cut-off events. For 418/431 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 50270 event pairs, 2368 based on Foata normal form. 0/5717 useless extension candidates. Maximal degree in co-relation 12665. Up to 4793 conditions per place. [2021-06-11 20:53:18,896 INFO L151 LiptonReduction]: Number of co-enabled transitions 404 [2021-06-11 20:53:18,900 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:53:18,900 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:53:18,900 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 617 [2021-06-11 20:53:18,901 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 185 flow [2021-06-11 20:53:18,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 0 states have call successors, (0), 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 20:53:18,902 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:53:18,902 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:53:18,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 20:53:18,902 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:53:18,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:53:18,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1599660939, now seen corresponding path program 2 times [2021-06-11 20:53:18,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:53:18,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863951322] [2021-06-11 20:53:18,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:53:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:53:18,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:18,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:18,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:18,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:18,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:18,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:18,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:18,976 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 20:53:18,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863951322] [2021-06-11 20:53:18,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:53:18,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:53:18,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024846833] [2021-06-11 20:53:18,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:53:18,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:53:18,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:53:18,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:53:18,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:53:18,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 44 transitions, 185 flow. Second operand has 6 states, 6 states have (on average 42.666666666666664) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 20:53:18,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:53:18,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:53:18,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:53:21,569 INFO L129 PetriNetUnfolder]: 34489/45398 cut-off events. [2021-06-11 20:53:21,569 INFO L130 PetriNetUnfolder]: For 23421/26828 co-relation queries the response was YES. [2021-06-11 20:53:21,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140999 conditions, 45398 events. 34489/45398 cut-off events. For 23421/26828 co-relation queries the response was YES. Maximal size of possible extension queue 2479. Compared 265162 event pairs, 9597 based on Foata normal form. 858/46156 useless extension candidates. Maximal degree in co-relation 140073. Up to 22345 conditions per place. [2021-06-11 20:53:21,837 INFO L132 encePairwiseOnDemand]: 69/84 looper letters, 36 selfloop transitions, 53 changer transitions 0/104 dead transitions. [2021-06-11 20:53:21,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 104 transitions, 626 flow [2021-06-11 20:53:21,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:53:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:53:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 307 transitions. [2021-06-11 20:53:21,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6091269841269841 [2021-06-11 20:53:21,839 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 307 transitions. [2021-06-11 20:53:21,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 307 transitions. [2021-06-11 20:53:21,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:53:21,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 307 transitions. [2021-06-11 20:53:21,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 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 20:53:21,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 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 20:53:21,842 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 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 20:53:21,842 INFO L185 Difference]: Start difference. First operand has 46 places, 44 transitions, 185 flow. Second operand 6 states and 307 transitions. [2021-06-11 20:53:21,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 104 transitions, 626 flow [2021-06-11 20:53:21,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 104 transitions, 578 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-06-11 20:53:21,854 INFO L241 Difference]: Finished difference. Result has 49 places, 89 transitions, 537 flow [2021-06-11 20:53:21,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=537, PETRI_PLACES=49, PETRI_TRANSITIONS=89} [2021-06-11 20:53:21,855 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, -4 predicate places. [2021-06-11 20:53:21,855 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:53:21,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 89 transitions, 537 flow [2021-06-11 20:53:21,855 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 89 transitions, 537 flow [2021-06-11 20:53:21,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 89 transitions, 537 flow [2021-06-11 20:53:23,687 INFO L129 PetriNetUnfolder]: 28245/38635 cut-off events. [2021-06-11 20:53:23,687 INFO L130 PetriNetUnfolder]: For 27467/29702 co-relation queries the response was YES. [2021-06-11 20:53:23,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124249 conditions, 38635 events. 28245/38635 cut-off events. For 27467/29702 co-relation queries the response was YES. Maximal size of possible extension queue 2284. Compared 245584 event pairs, 7431 based on Foata normal form. 731/38857 useless extension candidates. Maximal degree in co-relation 122831. Up to 21109 conditions per place. [2021-06-11 20:53:23,915 INFO L151 LiptonReduction]: Number of co-enabled transitions 752 [2021-06-11 20:53:26,710 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:53:26,710 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:53:26,710 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4855 [2021-06-11 20:53:26,711 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 89 transitions, 537 flow [2021-06-11 20:53:26,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 42.666666666666664) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 20:53:26,711 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:53:26,711 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:53:26,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 20:53:26,712 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:53:26,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:53:26,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1934595379, now seen corresponding path program 3 times [2021-06-11 20:53:26,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:53:26,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862642449] [2021-06-11 20:53:26,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:53:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:53:26,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:26,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:26,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:26,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:26,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:26,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:26,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:26,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:26,755 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 20:53:26,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862642449] [2021-06-11 20:53:26,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:53:26,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 20:53:26,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971811105] [2021-06-11 20:53:26,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 20:53:26,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:53:26,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 20:53:26,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 20:53:26,757 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:53:26,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 89 transitions, 537 flow. Second operand has 5 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 20:53:26,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:53:26,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:53:26,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:53:29,125 INFO L129 PetriNetUnfolder]: 35104/45875 cut-off events. [2021-06-11 20:53:29,125 INFO L130 PetriNetUnfolder]: For 45114/60295 co-relation queries the response was YES. [2021-06-11 20:53:29,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192980 conditions, 45875 events. 35104/45875 cut-off events. For 45114/60295 co-relation queries the response was YES. Maximal size of possible extension queue 2574. Compared 261604 event pairs, 6966 based on Foata normal form. 169/45912 useless extension candidates. Maximal degree in co-relation 192334. Up to 43859 conditions per place. [2021-06-11 20:53:29,365 INFO L132 encePairwiseOnDemand]: 70/84 looper letters, 86 selfloop transitions, 56 changer transitions 0/157 dead transitions. [2021-06-11 20:53:29,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 157 transitions, 1278 flow [2021-06-11 20:53:29,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 20:53:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 20:53:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 250 transitions. [2021-06-11 20:53:29,371 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2021-06-11 20:53:29,371 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 250 transitions. [2021-06-11 20:53:29,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 250 transitions. [2021-06-11 20:53:29,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:53:29,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 250 transitions. [2021-06-11 20:53:29,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 0 states have call successors, (0), 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 20:53:29,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 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 20:53:29,374 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 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 20:53:29,374 INFO L185 Difference]: Start difference. First operand has 49 places, 89 transitions, 537 flow. Second operand 5 states and 250 transitions. [2021-06-11 20:53:29,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 157 transitions, 1278 flow [2021-06-11 20:53:29,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 157 transitions, 1242 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-06-11 20:53:29,400 INFO L241 Difference]: Finished difference. Result has 54 places, 137 transitions, 1085 flow [2021-06-11 20:53:29,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1085, PETRI_PLACES=54, PETRI_TRANSITIONS=137} [2021-06-11 20:53:29,400 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 1 predicate places. [2021-06-11 20:53:29,400 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:53:29,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 137 transitions, 1085 flow [2021-06-11 20:53:29,401 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 137 transitions, 1085 flow [2021-06-11 20:53:29,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 137 transitions, 1085 flow [2021-06-11 20:53:31,413 INFO L129 PetriNetUnfolder]: 28952/39640 cut-off events. [2021-06-11 20:53:31,413 INFO L130 PetriNetUnfolder]: For 55850/58478 co-relation queries the response was YES. [2021-06-11 20:53:31,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140169 conditions, 39640 events. 28952/39640 cut-off events. For 55850/58478 co-relation queries the response was YES. Maximal size of possible extension queue 2377. Compared 254797 event pairs, 6601 based on Foata normal form. 473/39547 useless extension candidates. Maximal degree in co-relation 138962. Up to 21473 conditions per place. [2021-06-11 20:53:31,668 INFO L151 LiptonReduction]: Number of co-enabled transitions 956 [2021-06-11 20:53:33,415 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:53:33,416 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:53:33,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4016 [2021-06-11 20:53:33,420 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 137 transitions, 1085 flow [2021-06-11 20:53:33,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 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 20:53:33,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:53:33,421 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:53:33,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 20:53:33,421 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:53:33,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:53:33,422 INFO L82 PathProgramCache]: Analyzing trace with hash -597380759, now seen corresponding path program 4 times [2021-06-11 20:53:33,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:53:33,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931525266] [2021-06-11 20:53:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:53:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:53:33,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:33,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:33,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:33,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:33,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:33,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:33,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:33,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:33,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:33,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:33,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:33,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:33,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:33,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:33,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:33,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:33,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:33,489 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 20:53:33,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931525266] [2021-06-11 20:53:33,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:53:33,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-11 20:53:33,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466219611] [2021-06-11 20:53:33,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 20:53:33,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:53:33,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 20:53:33,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-06-11 20:53:33,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:53:33,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 137 transitions, 1085 flow. Second operand has 9 states, 9 states have (on average 41.77777777777778) internal successors, (376), 9 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 20:53:33,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:53:33,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:53:33,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:53:37,468 INFO L129 PetriNetUnfolder]: 46490/61720 cut-off events. [2021-06-11 20:53:37,468 INFO L130 PetriNetUnfolder]: For 97630/105389 co-relation queries the response was YES. [2021-06-11 20:53:37,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268432 conditions, 61720 events. 46490/61720 cut-off events. For 97630/105389 co-relation queries the response was YES. Maximal size of possible extension queue 3497. Compared 377630 event pairs, 7432 based on Foata normal form. 375/61976 useless extension candidates. Maximal degree in co-relation 267160. Up to 31655 conditions per place. [2021-06-11 20:53:37,826 INFO L132 encePairwiseOnDemand]: 69/84 looper letters, 41 selfloop transitions, 470 changer transitions 0/526 dead transitions. [2021-06-11 20:53:37,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 526 transitions, 5268 flow [2021-06-11 20:53:37,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 20:53:37,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 20:53:37,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 472 transitions. [2021-06-11 20:53:37,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6243386243386243 [2021-06-11 20:53:37,827 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 472 transitions. [2021-06-11 20:53:37,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 472 transitions. [2021-06-11 20:53:37,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:53:37,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 472 transitions. [2021-06-11 20:53:37,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 52.44444444444444) internal successors, (472), 9 states have internal predecessors, (472), 0 states have call successors, (0), 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 20:53:37,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 84.0) internal successors, (840), 10 states have internal predecessors, (840), 0 states have call successors, (0), 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 20:53:37,830 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 84.0) internal successors, (840), 10 states have internal predecessors, (840), 0 states have call successors, (0), 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 20:53:37,830 INFO L185 Difference]: Start difference. First operand has 54 places, 137 transitions, 1085 flow. Second operand 9 states and 472 transitions. [2021-06-11 20:53:37,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 526 transitions, 5268 flow [2021-06-11 20:53:37,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 526 transitions, 5260 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 20:53:37,861 INFO L241 Difference]: Finished difference. Result has 61 places, 520 transitions, 5222 flow [2021-06-11 20:53:37,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=1077, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5222, PETRI_PLACES=61, PETRI_TRANSITIONS=520} [2021-06-11 20:53:37,862 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 8 predicate places. [2021-06-11 20:53:37,862 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:53:37,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 520 transitions, 5222 flow [2021-06-11 20:53:37,862 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 520 transitions, 5222 flow [2021-06-11 20:53:37,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 520 transitions, 5222 flow [2021-06-11 20:53:41,749 INFO L129 PetriNetUnfolder]: 41215/54534 cut-off events. [2021-06-11 20:53:41,749 INFO L130 PetriNetUnfolder]: For 103056/113494 co-relation queries the response was YES. [2021-06-11 20:53:41,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239664 conditions, 54534 events. 41215/54534 cut-off events. For 103056/113494 co-relation queries the response was YES. Maximal size of possible extension queue 3149. Compared 332055 event pairs, 5904 based on Foata normal form. 2437/56793 useless extension candidates. Maximal degree in co-relation 238571. Up to 31655 conditions per place. [2021-06-11 20:53:42,097 INFO L151 LiptonReduction]: Number of co-enabled transitions 2574 [2021-06-11 20:53:45,717 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:53:45,717 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:53:45,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7855 [2021-06-11 20:53:45,718 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 520 transitions, 5222 flow [2021-06-11 20:53:45,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 41.77777777777778) internal successors, (376), 9 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 20:53:45,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:53:45,718 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:53:45,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 20:53:45,718 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:53:45,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:53:45,719 INFO L82 PathProgramCache]: Analyzing trace with hash -2096203875, now seen corresponding path program 5 times [2021-06-11 20:53:45,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:53:45,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497237703] [2021-06-11 20:53:45,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:53:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:53:45,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:45,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:53:45,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:45,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:45,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:45,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:53:45,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:53:45,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:53:45,754 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 20:53:45,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497237703] [2021-06-11 20:53:45,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:53:45,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 20:53:45,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639108196] [2021-06-11 20:53:45,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 20:53:45,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:53:45,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 20:53:45,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 20:53:45,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:53:45,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 520 transitions, 5222 flow. Second operand has 5 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 20:53:45,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:53:45,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:53:45,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:53:51,338 INFO L129 PetriNetUnfolder]: 46894/62244 cut-off events. [2021-06-11 20:53:51,338 INFO L130 PetriNetUnfolder]: For 114450/155211 co-relation queries the response was YES. [2021-06-11 20:53:51,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 328814 conditions, 62244 events. 46894/62244 cut-off events. For 114450/155211 co-relation queries the response was YES. Maximal size of possible extension queue 3520. Compared 379413 event pairs, 9799 based on Foata normal form. 270/62396 useless extension candidates. Maximal degree in co-relation 327542. Up to 59048 conditions per place. [2021-06-11 20:53:51,766 INFO L132 encePairwiseOnDemand]: 70/84 looper letters, 386 selfloop transitions, 254 changer transitions 0/655 dead transitions. [2021-06-11 20:53:51,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 655 transitions, 7864 flow [2021-06-11 20:53:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 20:53:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 20:53:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 250 transitions. [2021-06-11 20:53:51,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2021-06-11 20:53:51,768 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 250 transitions. [2021-06-11 20:53:51,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 250 transitions. [2021-06-11 20:53:51,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:53:51,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 250 transitions. [2021-06-11 20:53:51,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 0 states have call successors, (0), 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 20:53:51,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 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 20:53:51,769 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 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 20:53:51,769 INFO L185 Difference]: Start difference. First operand has 61 places, 520 transitions, 5222 flow. Second operand 5 states and 250 transitions. [2021-06-11 20:53:51,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 655 transitions, 7864 flow [2021-06-11 20:53:52,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 655 transitions, 7512 flow, removed 168 selfloop flow, removed 2 redundant places. [2021-06-11 20:53:52,181 INFO L241 Difference]: Finished difference. Result has 64 places, 595 transitions, 6531 flow [2021-06-11 20:53:52,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=5026, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=6531, PETRI_PLACES=64, PETRI_TRANSITIONS=595} [2021-06-11 20:53:52,181 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 11 predicate places. [2021-06-11 20:53:52,181 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:53:52,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 595 transitions, 6531 flow [2021-06-11 20:53:52,182 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 595 transitions, 6531 flow [2021-06-11 20:53:52,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 595 transitions, 6531 flow [2021-06-11 20:53:55,896 INFO L129 PetriNetUnfolder]: 41523/54728 cut-off events. [2021-06-11 20:53:55,896 INFO L130 PetriNetUnfolder]: For 91883/99077 co-relation queries the response was YES. [2021-06-11 20:53:56,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216552 conditions, 54728 events. 41523/54728 cut-off events. For 91883/99077 co-relation queries the response was YES. Maximal size of possible extension queue 3041. Compared 326515 event pairs, 4869 based on Foata normal form. 2503/57088 useless extension candidates. Maximal degree in co-relation 215444. Up to 31835 conditions per place. [2021-06-11 20:53:56,318 INFO L151 LiptonReduction]: Number of co-enabled transitions 2750 [2021-06-11 20:54:01,914 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:54:01,915 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:54:01,915 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9734 [2021-06-11 20:54:01,915 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 595 transitions, 6531 flow [2021-06-11 20:54:01,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 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 20:54:01,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:54:01,916 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:54:01,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 20:54:01,916 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:54:01,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:54:01,916 INFO L82 PathProgramCache]: Analyzing trace with hash 774189549, now seen corresponding path program 6 times [2021-06-11 20:54:01,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:54:01,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089926425] [2021-06-11 20:54:01,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:54:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:54:01,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:01,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:54:01,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:01,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:54:01,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:01,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:54:01,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:01,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:54:01,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:01,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:54:01,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:01,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:54:01,947 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 20:54:01,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089926425] [2021-06-11 20:54:01,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:54:01,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:54:01,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698692241] [2021-06-11 20:54:01,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:54:01,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:54:01,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:54:01,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:54:01,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:54:01,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 595 transitions, 6531 flow. Second operand has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 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 20:54:01,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:54:01,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:54:01,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:54:10,062 INFO L129 PetriNetUnfolder]: 61798/83278 cut-off events. [2021-06-11 20:54:10,063 INFO L130 PetriNetUnfolder]: For 126474/153581 co-relation queries the response was YES. [2021-06-11 20:54:10,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394874 conditions, 83278 events. 61798/83278 cut-off events. For 126474/153581 co-relation queries the response was YES. Maximal size of possible extension queue 5078. Compared 546252 event pairs, 8595 based on Foata normal form. 1103/84246 useless extension candidates. Maximal degree in co-relation 392590. Up to 43417 conditions per place. [2021-06-11 20:54:10,580 INFO L132 encePairwiseOnDemand]: 69/84 looper letters, 155 selfloop transitions, 778 changer transitions 0/948 dead transitions. [2021-06-11 20:54:10,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 948 transitions, 11823 flow [2021-06-11 20:54:10,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 20:54:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 20:54:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 362 transitions. [2021-06-11 20:54:10,587 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6156462585034014 [2021-06-11 20:54:10,587 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 362 transitions. [2021-06-11 20:54:10,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 362 transitions. [2021-06-11 20:54:10,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:54:10,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 362 transitions. [2021-06-11 20:54:10,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 51.714285714285715) internal successors, (362), 7 states have internal predecessors, (362), 0 states have call successors, (0), 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 20:54:10,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 0 states have call successors, (0), 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 20:54:10,589 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 0 states have call successors, (0), 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 20:54:10,589 INFO L185 Difference]: Start difference. First operand has 64 places, 595 transitions, 6531 flow. Second operand 7 states and 362 transitions. [2021-06-11 20:54:10,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 948 transitions, 11823 flow [2021-06-11 20:54:10,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 948 transitions, 11488 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 20:54:10,674 INFO L241 Difference]: Finished difference. Result has 70 places, 915 transitions, 12057 flow [2021-06-11 20:54:10,675 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=6282, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=505, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12057, PETRI_PLACES=70, PETRI_TRANSITIONS=915} [2021-06-11 20:54:10,675 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 17 predicate places. [2021-06-11 20:54:10,675 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:54:10,675 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 915 transitions, 12057 flow [2021-06-11 20:54:10,675 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 915 transitions, 12057 flow [2021-06-11 20:54:10,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 915 transitions, 12057 flow [2021-06-11 20:54:17,451 INFO L129 PetriNetUnfolder]: 54892/74091 cut-off events. [2021-06-11 20:54:17,451 INFO L130 PetriNetUnfolder]: For 225392/239842 co-relation queries the response was YES. [2021-06-11 20:54:17,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 377026 conditions, 74091 events. 54892/74091 cut-off events. For 225392/239842 co-relation queries the response was YES. Maximal size of possible extension queue 4613. Compared 490085 event pairs, 4794 based on Foata normal form. 2240/76071 useless extension candidates. Maximal degree in co-relation 375240. Up to 43417 conditions per place. [2021-06-11 20:54:18,189 INFO L151 LiptonReduction]: Number of co-enabled transitions 3778 [2021-06-11 20:54:49,022 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:54:49,022 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:54:49,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38347 [2021-06-11 20:54:49,022 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 915 transitions, 12057 flow [2021-06-11 20:54:49,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 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 20:54:49,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:54:49,023 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:54:49,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 20:54:49,023 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:54:49,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:54:49,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1076297325, now seen corresponding path program 7 times [2021-06-11 20:54:49,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:54:49,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486723511] [2021-06-11 20:54:49,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:54:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:54:49,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:49,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:54:49,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:49,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:54:49,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:49,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:54:49,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:54:49,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:54:49,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:54:49,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:54:49,054 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 20:54:49,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486723511] [2021-06-11 20:54:49,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:54:49,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:54:49,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382611584] [2021-06-11 20:54:49,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:54:49,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:54:49,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:54:49,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:54:49,055 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:54:49,056 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 915 transitions, 12057 flow. Second operand has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 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 20:54:49,056 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:54:49,056 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:54:49,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:55:01,246 INFO L129 PetriNetUnfolder]: 65685/88588 cut-off events. [2021-06-11 20:55:01,246 INFO L130 PetriNetUnfolder]: For 267052/312725 co-relation queries the response was YES. [2021-06-11 20:55:01,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 525306 conditions, 88588 events. 65685/88588 cut-off events. For 267052/312725 co-relation queries the response was YES. Maximal size of possible extension queue 5417. Compared 584554 event pairs, 7398 based on Foata normal form. 1642/90104 useless extension candidates. Maximal degree in co-relation 523045. Up to 46797 conditions per place. [2021-06-11 20:55:01,933 INFO L132 encePairwiseOnDemand]: 69/84 looper letters, 155 selfloop transitions, 1054 changer transitions 0/1224 dead transitions. [2021-06-11 20:55:01,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 1224 transitions, 18842 flow [2021-06-11 20:55:01,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 20:55:01,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 20:55:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 362 transitions. [2021-06-11 20:55:01,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6156462585034014 [2021-06-11 20:55:01,935 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 362 transitions. [2021-06-11 20:55:01,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 362 transitions. [2021-06-11 20:55:01,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:55:01,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 362 transitions. [2021-06-11 20:55:01,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 51.714285714285715) internal successors, (362), 7 states have internal predecessors, (362), 0 states have call successors, (0), 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 20:55:01,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 0 states have call successors, (0), 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 20:55:01,937 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 0 states have call successors, (0), 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 20:55:01,938 INFO L185 Difference]: Start difference. First operand has 70 places, 915 transitions, 12057 flow. Second operand 7 states and 362 transitions. [2021-06-11 20:55:01,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 1224 transitions, 18842 flow [2021-06-11 20:55:02,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 1224 transitions, 18834 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 20:55:02,772 INFO L241 Difference]: Finished difference. Result has 76 places, 1191 transitions, 18871 flow [2021-06-11 20:55:02,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=12049, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=915, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=778, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=18871, PETRI_PLACES=76, PETRI_TRANSITIONS=1191} [2021-06-11 20:55:02,773 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 23 predicate places. [2021-06-11 20:55:02,773 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:55:02,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 1191 transitions, 18871 flow [2021-06-11 20:55:02,773 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 1191 transitions, 18871 flow [2021-06-11 20:55:02,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 1191 transitions, 18871 flow [2021-06-11 20:55:12,019 INFO L129 PetriNetUnfolder]: 58314/78449 cut-off events. [2021-06-11 20:55:12,019 INFO L130 PetriNetUnfolder]: For 339854/357021 co-relation queries the response was YES. [2021-06-11 20:55:12,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 468263 conditions, 78449 events. 58314/78449 cut-off events. For 339854/357021 co-relation queries the response was YES. Maximal size of possible extension queue 4799. Compared 517115 event pairs, 5913 based on Foata normal form. 3313/81630 useless extension candidates. Maximal degree in co-relation 466431. Up to 46797 conditions per place. [2021-06-11 20:55:12,852 INFO L151 LiptonReduction]: Number of co-enabled transitions 4164 [2021-06-11 20:55:54,113 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:55:54,113 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:55:54,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51341 [2021-06-11 20:55:54,114 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 1191 transitions, 18871 flow [2021-06-11 20:55:54,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 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 20:55:54,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:55:54,114 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:55:54,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 20:55:54,115 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:55:54,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:55:54,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1170918489, now seen corresponding path program 8 times [2021-06-11 20:55:54,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:55:54,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817444777] [2021-06-11 20:55:54,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:55:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:55:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:55:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:55:54,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:55:54,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:55:54,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:55:54,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:55:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:55:54,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:55:54,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:55:54,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:55:54,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:55:54,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:55:54,156 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 20:55:54,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817444777] [2021-06-11 20:55:54,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:55:54,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:55:54,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378098062] [2021-06-11 20:55:54,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:55:54,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:55:54,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:55:54,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:55:54,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:55:54,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 1191 transitions, 18871 flow. Second operand has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 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 20:55:54,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:55:54,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:55:54,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:56:10,458 INFO L129 PetriNetUnfolder]: 69937/94449 cut-off events. [2021-06-11 20:56:10,459 INFO L130 PetriNetUnfolder]: For 423523/477614 co-relation queries the response was YES. [2021-06-11 20:56:10,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 639553 conditions, 94449 events. 69937/94449 cut-off events. For 423523/477614 co-relation queries the response was YES. Maximal size of possible extension queue 5837. Compared 631035 event pairs, 7882 based on Foata normal form. 1989/96293 useless extension candidates. Maximal degree in co-relation 637394. Up to 50547 conditions per place. [2021-06-11 20:56:11,325 INFO L132 encePairwiseOnDemand]: 69/84 looper letters, 155 selfloop transitions, 1456 changer transitions 0/1626 dead transitions. [2021-06-11 20:56:11,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 1626 transitions, 29491 flow [2021-06-11 20:56:11,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 20:56:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 20:56:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 362 transitions. [2021-06-11 20:56:11,326 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6156462585034014 [2021-06-11 20:56:11,326 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 362 transitions. [2021-06-11 20:56:11,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 362 transitions. [2021-06-11 20:56:11,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:56:11,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 362 transitions. [2021-06-11 20:56:11,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 51.714285714285715) internal successors, (362), 7 states have internal predecessors, (362), 0 states have call successors, (0), 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 20:56:11,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 0 states have call successors, (0), 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 20:56:11,328 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 0 states have call successors, (0), 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 20:56:11,328 INFO L185 Difference]: Start difference. First operand has 76 places, 1191 transitions, 18871 flow. Second operand 7 states and 362 transitions. [2021-06-11 20:56:11,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 1626 transitions, 29491 flow [2021-06-11 20:56:12,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 1626 transitions, 27842 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 20:56:12,508 INFO L241 Difference]: Finished difference. Result has 79 places, 1594 transitions, 28155 flow [2021-06-11 20:56:12,508 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=17624, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28155, PETRI_PLACES=79, PETRI_TRANSITIONS=1594} [2021-06-11 20:56:12,508 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 26 predicate places. [2021-06-11 20:56:12,508 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:56:12,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 1594 transitions, 28155 flow [2021-06-11 20:56:12,509 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 1594 transitions, 28155 flow [2021-06-11 20:56:12,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 1594 transitions, 28155 flow [2021-06-11 20:56:23,749 INFO L129 PetriNetUnfolder]: 62034/82759 cut-off events. [2021-06-11 20:56:23,749 INFO L130 PetriNetUnfolder]: For 498711/519047 co-relation queries the response was YES. [2021-06-11 20:56:23,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 530515 conditions, 82759 events. 62034/82759 cut-off events. For 498711/519047 co-relation queries the response was YES. Maximal size of possible extension queue 5070. Compared 539046 event pairs, 6805 based on Foata normal form. 5102/87632 useless extension candidates. Maximal degree in co-relation 528870. Up to 50547 conditions per place. [2021-06-11 20:56:24,601 INFO L151 LiptonReduction]: Number of co-enabled transitions 4748 [2021-06-11 20:56:50,659 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:56:50,659 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:56:50,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38151 [2021-06-11 20:56:50,659 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 1594 transitions, 28155 flow [2021-06-11 20:56:50,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 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 20:56:50,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:56:50,660 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:56:50,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 20:56:50,660 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:56:50,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:56:50,660 INFO L82 PathProgramCache]: Analyzing trace with hash -8558711, now seen corresponding path program 9 times [2021-06-11 20:56:50,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:56:50,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102245192] [2021-06-11 20:56:50,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:56:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:56:50,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:56:50,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:56:50,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:56:50,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:56:50,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:56:50,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:56:50,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:56:50,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:56:50,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:56:50,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:56:50,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:56:50,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:56:50,705 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 20:56:50,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102245192] [2021-06-11 20:56:50,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:56:50,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 20:56:50,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193774850] [2021-06-11 20:56:50,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 20:56:50,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:56:50,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 20:56:50,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 20:56:50,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:56:50,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 1594 transitions, 28155 flow. Second operand has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 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 20:56:50,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:56:50,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:56:50,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:57:13,327 INFO L129 PetriNetUnfolder]: 74260/100740 cut-off events. [2021-06-11 20:57:13,327 INFO L130 PetriNetUnfolder]: For 621411/672614 co-relation queries the response was YES. [2021-06-11 20:57:13,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 720606 conditions, 100740 events. 74260/100740 cut-off events. For 621411/672614 co-relation queries the response was YES. Maximal size of possible extension queue 6285. Compared 687329 event pairs, 7778 based on Foata normal form. 2348/102951 useless extension candidates. Maximal degree in co-relation 718419. Up to 54418 conditions per place. [2021-06-11 20:57:14,144 INFO L132 encePairwiseOnDemand]: 69/84 looper letters, 155 selfloop transitions, 2009 changer transitions 0/2179 dead transitions. [2021-06-11 20:57:14,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 2179 transitions, 43539 flow [2021-06-11 20:57:14,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 20:57:14,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 20:57:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 362 transitions. [2021-06-11 20:57:14,145 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6156462585034014 [2021-06-11 20:57:14,145 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 362 transitions. [2021-06-11 20:57:14,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 362 transitions. [2021-06-11 20:57:14,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:57:14,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 362 transitions. [2021-06-11 20:57:14,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 51.714285714285715) internal successors, (362), 7 states have internal predecessors, (362), 0 states have call successors, (0), 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 20:57:14,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 0 states have call successors, (0), 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 20:57:14,147 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 0 states have call successors, (0), 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 20:57:14,147 INFO L185 Difference]: Start difference. First operand has 79 places, 1594 transitions, 28155 flow. Second operand 7 states and 362 transitions. [2021-06-11 20:57:14,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 2179 transitions, 43539 flow [2021-06-11 20:57:16,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 2179 transitions, 41337 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 20:57:16,073 INFO L241 Difference]: Finished difference. Result has 82 places, 2148 transitions, 42031 flow [2021-06-11 20:57:16,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=26424, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1451, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=42031, PETRI_PLACES=82, PETRI_TRANSITIONS=2148} [2021-06-11 20:57:16,074 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 29 predicate places. [2021-06-11 20:57:16,074 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:57:16,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 2148 transitions, 42031 flow [2021-06-11 20:57:16,074 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 2148 transitions, 42031 flow [2021-06-11 20:57:16,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 2148 transitions, 42031 flow [2021-06-11 20:57:31,701 INFO L129 PetriNetUnfolder]: 65771/88138 cut-off events. [2021-06-11 20:57:31,701 INFO L130 PetriNetUnfolder]: For 761885/785796 co-relation queries the response was YES. [2021-06-11 20:57:31,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 602499 conditions, 88138 events. 65771/88138 cut-off events. For 761885/785796 co-relation queries the response was YES. Maximal size of possible extension queue 5414. Compared 583690 event pairs, 7100 based on Foata normal form. 5733/93644 useless extension candidates. Maximal degree in co-relation 600688. Up to 54418 conditions per place. [2021-06-11 20:57:32,604 INFO L151 LiptonReduction]: Number of co-enabled transitions 5422 [2021-06-11 20:58:15,281 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:58:15,281 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:58:15,281 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59207 [2021-06-11 20:58:15,282 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 2148 transitions, 42031 flow [2021-06-11 20:58:15,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 0 states have call successors, (0), 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 20:58:15,282 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:58:15,282 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:58:15,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 20:58:15,282 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:58:15,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:58:15,283 INFO L82 PathProgramCache]: Analyzing trace with hash -898898043, now seen corresponding path program 10 times [2021-06-11 20:58:15,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:58:15,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013698214] [2021-06-11 20:58:15,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:58:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:58:15,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:58:15,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:58:15,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:58:15,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:58:15,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:58:15,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:58:15,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:58:15,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:58:15,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:58:15,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:58:15,316 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 20:58:15,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013698214] [2021-06-11 20:58:15,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:58:15,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:58:15,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085499804] [2021-06-11 20:58:15,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:58:15,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:58:15,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:58:15,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:58:15,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:58:15,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 2148 transitions, 42031 flow. Second operand has 6 states, 6 states have (on average 42.666666666666664) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 20:58:15,317 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:58:15,317 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:58:15,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 20:58:47,229 INFO L129 PetriNetUnfolder]: 79800/108688 cut-off events. [2021-06-11 20:58:47,229 INFO L130 PetriNetUnfolder]: For 902214/954731 co-relation queries the response was YES. [2021-06-11 20:58:47,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 821619 conditions, 108688 events. 79800/108688 cut-off events. For 902214/954731 co-relation queries the response was YES. Maximal size of possible extension queue 6948. Compared 755404 event pairs, 8337 based on Foata normal form. 2702/111260 useless extension candidates. Maximal degree in co-relation 819518. Up to 58497 conditions per place. [2021-06-11 20:58:48,113 INFO L132 encePairwiseOnDemand]: 69/84 looper letters, 522 selfloop transitions, 2268 changer transitions 0/2805 dead transitions. [2021-06-11 20:58:48,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 2805 transitions, 61443 flow [2021-06-11 20:58:48,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 20:58:48,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 20:58:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 307 transitions. [2021-06-11 20:58:48,114 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6091269841269841 [2021-06-11 20:58:48,114 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 307 transitions. [2021-06-11 20:58:48,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 307 transitions. [2021-06-11 20:58:48,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 20:58:48,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 307 transitions. [2021-06-11 20:58:48,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 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 20:58:48,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 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 20:58:48,116 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 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 20:58:48,116 INFO L185 Difference]: Start difference. First operand has 82 places, 2148 transitions, 42031 flow. Second operand 6 states and 307 transitions. [2021-06-11 20:58:48,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 2805 transitions, 61443 flow [2021-06-11 20:58:51,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 2805 transitions, 58630 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 20:58:51,411 INFO L241 Difference]: Finished difference. Result has 84 places, 2756 transitions, 58223 flow [2021-06-11 20:58:51,412 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=39829, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1660, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=58223, PETRI_PLACES=84, PETRI_TRANSITIONS=2756} [2021-06-11 20:58:51,413 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 31 predicate places. [2021-06-11 20:58:51,413 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 20:58:51,413 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 2756 transitions, 58223 flow [2021-06-11 20:58:51,413 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 2756 transitions, 58223 flow [2021-06-11 20:58:51,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 2756 transitions, 58223 flow [2021-06-11 20:59:11,738 INFO L129 PetriNetUnfolder]: 70361/95010 cut-off events. [2021-06-11 20:59:11,738 INFO L130 PetriNetUnfolder]: For 1099479/1118215 co-relation queries the response was YES. [2021-06-11 20:59:12,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 660947 conditions, 95010 events. 70361/95010 cut-off events. For 1099479/1118215 co-relation queries the response was YES. Maximal size of possible extension queue 5837. Compared 643485 event pairs, 5141 based on Foata normal form. 6109/100994 useless extension candidates. Maximal degree in co-relation 659260. Up to 58497 conditions per place. [2021-06-11 20:59:12,610 INFO L151 LiptonReduction]: Number of co-enabled transitions 6308 [2021-06-11 20:59:51,338 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 20:59:51,339 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 20:59:51,339 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59926 [2021-06-11 20:59:51,339 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 2756 transitions, 58223 flow [2021-06-11 20:59:51,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 42.666666666666664) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 20:59:51,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 20:59:51,339 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 20:59:51,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 20:59:51,340 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 20:59:51,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 20:59:51,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1524009331, now seen corresponding path program 11 times [2021-06-11 20:59:51,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 20:59:51,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218739438] [2021-06-11 20:59:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 20:59:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 20:59:51,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:59:51,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 20:59:51,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:59:51,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:59:51,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:59:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:59:51,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:59:51,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 20:59:51,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 20:59:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 20:59:51,371 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 20:59:51,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218739438] [2021-06-11 20:59:51,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 20:59:51,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 20:59:51,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162387922] [2021-06-11 20:59:51,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 20:59:51,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 20:59:51,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 20:59:51,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 20:59:51,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 20:59:51,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 2756 transitions, 58223 flow. Second operand has 6 states, 6 states have (on average 42.666666666666664) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 20:59:51,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 20:59:51,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 20:59:51,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 21:00:37,164 INFO L129 PetriNetUnfolder]: 84958/116182 cut-off events. [2021-06-11 21:00:37,165 INFO L130 PetriNetUnfolder]: For 1202830/1255623 co-relation queries the response was YES. [2021-06-11 21:00:37,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 894216 conditions, 116182 events. 84958/116182 cut-off events. For 1202830/1255623 co-relation queries the response was YES. Maximal size of possible extension queue 7581. Compared 822305 event pairs, 9102 based on Foata normal form. 2692/118737 useless extension candidates. Maximal degree in co-relation 892168. Up to 62296 conditions per place. [2021-06-11 21:00:38,469 INFO L132 encePairwiseOnDemand]: 69/84 looper letters, 522 selfloop transitions, 2873 changer transitions 0/3410 dead transitions. [2021-06-11 21:00:38,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 3410 transitions, 79817 flow [2021-06-11 21:00:38,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 21:00:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 21:00:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 307 transitions. [2021-06-11 21:00:38,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6091269841269841 [2021-06-11 21:00:38,470 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 307 transitions. [2021-06-11 21:00:38,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 307 transitions. [2021-06-11 21:00:38,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 21:00:38,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 307 transitions. [2021-06-11 21:00:38,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 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 21:00:38,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 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 21:00:38,472 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 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 21:00:38,472 INFO L185 Difference]: Start difference. First operand has 84 places, 2756 transitions, 58223 flow. Second operand 6 states and 307 transitions. [2021-06-11 21:00:38,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 3410 transitions, 79817 flow [2021-06-11 21:00:42,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 3410 transitions, 76889 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 21:00:42,105 INFO L241 Difference]: Finished difference. Result has 87 places, 3364 transitions, 76909 flow [2021-06-11 21:00:42,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=55900, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2265, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=76909, PETRI_PLACES=87, PETRI_TRANSITIONS=3364} [2021-06-11 21:00:42,107 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 34 predicate places. [2021-06-11 21:00:42,107 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 21:00:42,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 3364 transitions, 76909 flow [2021-06-11 21:00:42,108 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 3364 transitions, 76909 flow [2021-06-11 21:00:42,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 3364 transitions, 76909 flow [2021-06-11 21:01:10,659 INFO L129 PetriNetUnfolder]: 74617/101462 cut-off events. [2021-06-11 21:01:10,659 INFO L130 PetriNetUnfolder]: For 1433354/1446187 co-relation queries the response was YES. [2021-06-11 21:01:10,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 743481 conditions, 101462 events. 74617/101462 cut-off events. For 1433354/1446187 co-relation queries the response was YES. Maximal size of possible extension queue 6360. Compared 703247 event pairs, 4830 based on Foata normal form. 5255/106661 useless extension candidates. Maximal degree in co-relation 741810. Up to 62296 conditions per place. [2021-06-11 21:01:11,802 INFO L151 LiptonReduction]: Number of co-enabled transitions 7086 [2021-06-11 21:02:41,350 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 21:02:41,350 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 21:02:41,350 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 119243 [2021-06-11 21:02:41,350 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 3364 transitions, 76909 flow [2021-06-11 21:02:41,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 42.666666666666664) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 21:02:41,350 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 21:02:41,351 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 21:02:41,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 21:02:41,351 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 21:02:41,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 21:02:41,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1382015415, now seen corresponding path program 12 times [2021-06-11 21:02:41,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 21:02:41,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547729926] [2021-06-11 21:02:41,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 21:02:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 21:02:41,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:02:41,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 21:02:41,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:02:41,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 21:02:41,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:02:41,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 21:02:41,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:02:41,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 21:02:41,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:02:41,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 21:02:41,377 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 21:02:41,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547729926] [2021-06-11 21:02:41,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 21:02:41,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 21:02:41,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508124574] [2021-06-11 21:02:41,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 21:02:41,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 21:02:41,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 21:02:41,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 21:02:41,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 21:02:41,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 3364 transitions, 76909 flow. Second operand has 6 states, 6 states have (on average 42.666666666666664) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 21:02:41,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 21:02:41,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 21:02:41,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 21:03:45,322 INFO L129 PetriNetUnfolder]: 89228/122467 cut-off events. [2021-06-11 21:03:45,322 INFO L130 PetriNetUnfolder]: For 1530897/1586086 co-relation queries the response was YES. [2021-06-11 21:03:45,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 984590 conditions, 122467 events. 89228/122467 cut-off events. For 1530897/1586086 co-relation queries the response was YES. Maximal size of possible extension queue 8120. Compared 879314 event pairs, 8348 based on Foata normal form. 2336/124662 useless extension candidates. Maximal degree in co-relation 982485. Up to 65376 conditions per place. [2021-06-11 21:03:46,481 INFO L132 encePairwiseOnDemand]: 69/84 looper letters, 522 selfloop transitions, 3326 changer transitions 0/3863 dead transitions. [2021-06-11 21:03:46,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 3863 transitions, 96393 flow [2021-06-11 21:03:46,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 21:03:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 21:03:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 307 transitions. [2021-06-11 21:03:46,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6091269841269841 [2021-06-11 21:03:46,482 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 307 transitions. [2021-06-11 21:03:46,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 307 transitions. [2021-06-11 21:03:46,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 21:03:46,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 307 transitions. [2021-06-11 21:03:46,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 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 21:03:46,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 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 21:03:46,484 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 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 21:03:46,484 INFO L185 Difference]: Start difference. First operand has 87 places, 3364 transitions, 76909 flow. Second operand 6 states and 307 transitions. [2021-06-11 21:03:46,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 3863 transitions, 96393 flow [2021-06-11 21:03:50,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 3863 transitions, 93011 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 21:03:50,122 INFO L241 Difference]: Finished difference. Result has 90 places, 3821 transitions, 93073 flow [2021-06-11 21:03:50,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=73879, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2865, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=93073, PETRI_PLACES=90, PETRI_TRANSITIONS=3821} [2021-06-11 21:03:50,124 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 37 predicate places. [2021-06-11 21:03:50,124 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 21:03:50,124 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 3821 transitions, 93073 flow [2021-06-11 21:03:50,124 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 3821 transitions, 93073 flow [2021-06-11 21:03:50,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 3821 transitions, 93073 flow [2021-06-11 21:04:23,968 INFO L129 PetriNetUnfolder]: 78133/106546 cut-off events. [2021-06-11 21:04:23,968 INFO L130 PetriNetUnfolder]: For 1782317/1800937 co-relation queries the response was YES. [2021-06-11 21:04:24,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 819727 conditions, 106546 events. 78133/106546 cut-off events. For 1782317/1800937 co-relation queries the response was YES. Maximal size of possible extension queue 6568. Compared 746422 event pairs, 5580 based on Foata normal form. 6191/112669 useless extension candidates. Maximal degree in co-relation 817705. Up to 65376 conditions per place. [2021-06-11 21:04:25,218 INFO L151 LiptonReduction]: Number of co-enabled transitions 7316 [2021-06-11 21:05:59,919 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 21:05:59,919 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 21:05:59,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129796 [2021-06-11 21:05:59,920 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 3821 transitions, 93073 flow [2021-06-11 21:05:59,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 42.666666666666664) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 21:05:59,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 21:05:59,920 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 21:05:59,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 21:05:59,920 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 21:05:59,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 21:05:59,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1297963173, now seen corresponding path program 13 times [2021-06-11 21:05:59,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 21:05:59,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938784919] [2021-06-11 21:05:59,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 21:05:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 21:05:59,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:05:59,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 21:05:59,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:05:59,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 21:05:59,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:05:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 21:05:59,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:05:59,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 21:05:59,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 21:05:59,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 21:05:59,950 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 21:05:59,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938784919] [2021-06-11 21:05:59,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 21:05:59,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 21:05:59,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041788859] [2021-06-11 21:05:59,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 21:05:59,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 21:05:59,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 21:05:59,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 21:05:59,951 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 84 [2021-06-11 21:05:59,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 3821 transitions, 93073 flow. Second operand has 6 states, 6 states have (on average 42.666666666666664) internal successors, (256), 6 states have internal predecessors, (256), 0 states have call successors, (0), 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 21:05:59,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 21:05:59,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 84 [2021-06-11 21:05:59,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-06-11 21:07:14,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 21:07:14,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 21:07:14,239 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-11 21:07:14,241 WARN L224 ceAbstractionStarter]: Timeout [2021-06-11 21:07:14,241 INFO L202 PluginConnector]: Adding new model ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 09:07:14 BasicIcfg [2021-06-11 21:07:14,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 21:07:14,242 INFO L168 Benchmark]: Toolchain (without parser) took 839760.59 ms. Allocated memory was 346.0 MB in the beginning and 13.8 GB in the end (delta: 13.4 GB). Free memory was 325.6 MB in the beginning and 12.2 GB in the end (delta: -11.9 GB). Peak memory consumption was 9.8 GB. Max. memory is 16.0 GB. [2021-06-11 21:07:14,242 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 346.0 MB. Free memory is still 326.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 21:07:14,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.45 ms. Allocated memory is still 346.0 MB. Free memory was 325.5 MB in the beginning and 324.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 21:07:14,242 INFO L168 Benchmark]: Boogie Preprocessor took 19.08 ms. Allocated memory is still 346.0 MB. Free memory was 324.0 MB in the beginning and 323.1 MB in the end (delta: 966.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 21:07:14,242 INFO L168 Benchmark]: RCFGBuilder took 322.04 ms. Allocated memory is still 346.0 MB. Free memory was 323.0 MB in the beginning and 305.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-11 21:07:14,242 INFO L168 Benchmark]: TraceAbstraction took 839397.31 ms. Allocated memory was 346.0 MB in the beginning and 13.8 GB in the end (delta: 13.4 GB). Free memory was 304.7 MB in the beginning and 12.2 GB in the end (delta: -11.9 GB). Peak memory consumption was 9.8 GB. Max. memory is 16.0 GB. [2021-06-11 21:07:14,243 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 346.0 MB. Free memory is still 326.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.45 ms. Allocated memory is still 346.0 MB. Free memory was 325.5 MB in the beginning and 324.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.08 ms. Allocated memory is still 346.0 MB. Free memory was 324.0 MB in the beginning and 323.1 MB in the end (delta: 966.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 322.04 ms. Allocated memory is still 346.0 MB. Free memory was 323.0 MB in the beginning and 305.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 839397.31 ms. Allocated memory was 346.0 MB in the beginning and 13.8 GB in the end (delta: 13.4 GB). Free memory was 304.7 MB in the beginning and 12.2 GB in the end (delta: -11.9 GB). Peak memory consumption was 9.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1586.6ms, 75 PlacesBefore, 53 PlacesAfterwards, 53 TransitionsBefore, 31 TransitionsAfterwards, 1542 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 22 TotalNumberOfCompositions, 2616 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1101, positive: 1027, positive conditional: 1027, positive unconditional: 0, negative: 74, negative conditional: 74, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1101, positive: 1027, positive conditional: 0, positive unconditional: 1027, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1101, positive: 1027, positive conditional: 0, positive unconditional: 1027, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 918, positive: 871, positive conditional: 0, positive unconditional: 871, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 918, positive: 730, positive conditional: 0, positive unconditional: 730, negative: 188, negative conditional: 0, negative unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 188, positive: 141, positive conditional: 0, positive unconditional: 141, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 558, positive: 386, positive conditional: 0, positive unconditional: 386, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1101, positive: 156, positive conditional: 0, positive unconditional: 156, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 918, unknown conditional: 0, unknown unconditional: 918] , Statistics on independence cache: Total cache size (in pairs): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 616.3ms, 46 PlacesBefore, 46 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 404 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4855.1ms, 49 PlacesBefore, 49 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 752 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4015.1ms, 54 PlacesBefore, 54 PlacesAfterwards, 137 TransitionsBefore, 137 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7855.2ms, 61 PlacesBefore, 61 PlacesAfterwards, 520 TransitionsBefore, 520 TransitionsAfterwards, 2574 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9733.0ms, 64 PlacesBefore, 64 PlacesAfterwards, 595 TransitionsBefore, 595 TransitionsAfterwards, 2750 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38346.6ms, 70 PlacesBefore, 70 PlacesAfterwards, 915 TransitionsBefore, 915 TransitionsAfterwards, 3778 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51340.1ms, 76 PlacesBefore, 76 PlacesAfterwards, 1191 TransitionsBefore, 1191 TransitionsAfterwards, 4164 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38150.1ms, 79 PlacesBefore, 79 PlacesAfterwards, 1594 TransitionsBefore, 1594 TransitionsAfterwards, 4748 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59207.1ms, 82 PlacesBefore, 82 PlacesAfterwards, 2148 TransitionsBefore, 2148 TransitionsAfterwards, 5422 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59925.8ms, 84 PlacesBefore, 84 PlacesAfterwards, 2756 TransitionsBefore, 2756 TransitionsAfterwards, 6308 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 119242.2ms, 87 PlacesBefore, 87 PlacesAfterwards, 3364 TransitionsBefore, 3364 TransitionsAfterwards, 7086 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 129795.1ms, 90 PlacesBefore, 90 PlacesAfterwards, 3821 TransitionsBefore, 3821 TransitionsAfterwards, 7316 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): 918, Positive cache size: 871, Positive conditional cache size: 0, Positive unconditional cache size: 871, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 125]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 125). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (6states, 40/84 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 1028824 conditions, 121512 events (89213/121511 cut-off events. For 1909590/1969894 co-relation queries the response was YES. Maximal size of possible extension queue 8678. Compared 882779 event pairs, 8140 based on Foata normal form. 2603/125895 useless extension candidates. Maximal degree in co-relation 1027777. Up to 64103 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 839256.7ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 313786.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1661.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 27 SDtfs, 52 SDslu, 22 SDs, 0 SdLazy, 2461 SolverSat, 476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1086.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 227.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=93073occurred in iteration=12, InterpolantAutomatonStates: 76, 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: 25.5ms SsaConstructionTime, 96.8ms SatisfiabilityAnalysisTime, 470.0ms InterpolantComputationTime, 403 NumberOfCodeBlocks, 403 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 390 ConstructedInterpolants, 0 QuantifiedInterpolants, 1043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown